CClinicalTrials.gg
CompletedNCT03759873HeLPUpdated Oct 9, 2024Results posted

Incentives and Case Management to Improve Cardiac Care: Healthy Lifestyle Program

A Phase 2 interventional study of Incentives and Case Management in Cardiac Rehabilitation, sponsored by University of Vermont. Completed at 1 site in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2024-10-09.

Sponsored by University of Vermont · Phase 2, Interventional, and Treatment

Phase
Phase 2
Study type
Interventional
Enrollment
209
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

Participation in outpatient cardiac rehabilitation (CR) decreases morbidity and mortality for patients hospitalized with myocardial infarction, coronary bypass surgery or percutaneous revascularization. Unfortunately, only 10-35% of patients for whom CR is indicated choose to participate. Lower socioeconomic status (SES) is a robust predictor of CR non-participation. There is growing recognition of the need to increase CR among economically disadvantaged patients, but there are almost no evidence-based interventions available for doing so. The present study will examine the efficacy of using early case management and financial incentives for increasing CR participation among lower-SES patients. Case management has been effective at promoting attendance at a variety of health-related programs (e.g. treatment for diabetes, HIV, asthma, cocaine dependence) as well as reducing hospitalizations. Financial incentives are also highly effective in altering health behaviors among disadvantaged populations (e.g., smoking during pregnancy, weight loss) including CR participation in a prior trial. For this study 209 CR-eligible lower-SES patients will be randomized to: a treatment condition where patients are assigned a case manager while in hospital who will facilitate CR attendance and coordinate cardiac care, a treatment condition where patients receive financial incentives contingent on initiation of and continued attendance at CR sessions, a combination of these two interventions, or to a "usual-care" condition. Participants in all conditions will complete pre- and post-treatment assessments. Treatment conditions will be compared on attendance at CR and end-of-intervention improvements in fitness, executive function, and health-related quality of life. Cost effectiveness of the treatment conditions will also be examined by comparing the costs of delivering the interventions and the usual care condition, taking into account increases in CR participation. Furthermore, the value of the interventions will be modeled based on increases in participation rates, intervention costs, long-term medical costs, and health outcomes after a coronary event. This systematic examination of promising interventions will allow testing of the efficacy and cost-effectiveness of approaches that have the potential to substantially increase CR participation and significantly improve health outcomes among lower-SES cardiac patients.

02

Conditions studied

  • Cardiac Rehabilitation

Keywords

  • Incentives
  • Case management
  • Socioeconomic status
03

In context

Lead sponsor

University of Vermont is the lead sponsor of 215 studies on the registry; 28 are open to participants now.

Of its 16 completed or terminated interventional studies of FDA-regulated products, 9 (56%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • A recent myocardial infarction, coronary revascularization, diagnosis of congestive heart failure (CHF) or heart valve replacement or repair
  • Enrolled in a state-supported insurance plan for low income individuals or receiving other state benefits that are based on financial need (housing subsidy, food stamps, etc.), or with a less than high school education.
  • Lives in and plans to remain in the greater Burlington, Vermont area (Chittenden county) for the next 12 mos.
  • Copley Hospital (Morrisville, VT) transfer patient (enrolled in a state-supported insurance plan for low income individuals or receiving other state benefits that are based on financial need)
  • Northwestern Medical Center (St Albans, VT) transfer patient (enrolled in a state-supported insurance plan for low income individuals or receiving other state benefits that are based on financial need)

Exclusion criteria

Exclusion Criteria:

  • Dementia (MMSE\<20) or current untreated Axis 1 psychiatric disorder other than nicotine dependence as determined by medical history
  • Advanced cancer, advanced frailty, or other longevity-limiting systemic disease that would preclude CR participation
  • Rest angina or very low threshold angina (\<2 METS) until adequate therapy is instituted
  • Severe life threatening ventricular arrhythmias unless adequately controlled (e.g. intracardiac defibrillator)
  • Class 4 chronic heart failure (symptoms at rest)
  • Exercise-limiting non-cardiac disease such as severe arthritis, past stroke, severe lung disease
  • Previous successful attendance at cardiac rehabilitation (defined as completing 6+ sessions in the past 10 years)
05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Investigator, Outcomes assessor)
Enrollment
209 participants (actual)

Study arms

  • Experimental
    Incentives

    Patient earns incentives for completing cardiac rehabilitation sessions.

    Behavioral: Incentives

  • Experimental
    Case Management

    Patient is assigned a case manager while in hospital.

    Behavioral: Case Management

  • Experimental
    Incentives and Case Management

    Patient receives both the Incentives and Case Management interventions.

    Behavioral: Incentives · Behavioral: Case Management

  • No intervention
    Usual care

    This control condition does not receive either intervention.

Interventions

  • BehavioralIncentives

    Patient earns financial incentives (gift cards) on an escalating schedule for completing cardiac rehabilitation sessions.

  • BehavioralCase Management

    A case manager is available by phone to assist patient with attending cardiac rehabilitation sessions as well as to provide advice about cardiac symptoms and healthy behavior change.

06

What researchers measure

Primary outcomes

  1. Cardiac Rehabilitation Attendance

    Number of cardiac rehabilitation sessions completed out of a possible 36

    Time frame: Within 4 months of the intake assessment

  2. Cardiac Rehabilitation Completion

    Proportion of patients who complete 30+ sessions of cardiac rehabilitation

    Time frame: Within 4 months of the intake assessment

Secondary outcomes

  1. Change in Fitness (Peak Oxygen Uptake)

    Changes in fitness level (peak oxygen uptake) will be measured from intake to completion of the intervention (4 months after intake).

    Time frame: Within 4 months of the intake assessment

  2. Change in Fitness (Estimated Metabolic Equivalent of Task)

    Changes in fitness level (Metabolic Equivalent of Tasks) will be measured from intake to completion of the intervention (4 months after intake).

    Time frame: Within 4 months of the intake assessment

  3. Change in Body Composition

    Changes in waist measurement will be measured from intake to completion of the intervention (4 months after intake).

    Time frame: Within 4 months of the intake assessment

  4. Changes in Smoking Status

    Changes in smoking status will be measured from intake to completion of the intervention (4 months after intake).

    Time frame: Within 4 months of the intake assessment

  5. Changes in Quality of Life - Cardiac Specific

    Changes in perceived quality of life (MacNew) questionnaires will be measured from intake to completion of the intervention (4 months after intake). The MacNew Heart Disease Health-Related Quality of Life Questionnaire was used. Scores range from 1 to 7, with higher scores indicating better outcomes.

    Time frame: Within 4 months of the intake assessment

  6. Changes in Quality of Life - Non-specific

    Changes in perceived quality of life (EuroQoL) questionnaires will be measured from intake to completion of the intervention (4 months after intake). The Visual Analogue Scale of the EuroQol-5D-3L was used. Scores range from 0 to 100, with higher scores indicating better outcomes.

    Time frame: Within 4 months of the intake assessment

  7. Changes in Mental Health

    Changes in mental health (Adult Self-Report) questionnaires will be measured from intake to completion of the intervention (4 months after intake) using the Achenbach System of Empirically Based Assessment (ASEBA). T-scores are reported. A T-score of 50 indicates the population mean, and 10 is the standard deviation. Higher T-scores indicate worse outcomes. T-scores above 63 indicate clinically significant problems, and those between 60 and 63 fall within the borderline clinical range.

    Time frame: Within 4 months of the intake assessment

  8. Changes in Depressive Symptoms

    Changes in reported depressive symptoms "The Beck Depression Inventory (BDI)" will be measured from intake to completion of the intervention (4 months after intake). BDI results will be back transformed due to data being square root transformed. Scores range from 0 to 63, with higher scores indicating worse outcomes.

    Time frame: Within 4 months of the intake assessment

  9. Changes in Executive Function (Delay Discounting)

    Changes in Executive function (delay discounting) will be measured from intake to completion of the intervention (4 months after intake). A 5-trial adjusting delay discounting task was used to calculate k values, numerical representations of the rate of discounting. k values range from 0 to 0.5, with larger values indicating steeper discounting (more impulsivity; greater propensity to devalue delayed rewards in favor of more immediate outcomes). k values were log(10) transformed for analysis. Larger log transformed k values indicate steeper discounting.

    Time frame: Within 4 months of the intake assessment

  10. Changes in Executive Function (DS)

    Changes in Executive function (digit span) will be measured from intake to completion of the intervention (4 months after intake). The Digit Span subtest of the Wechsler Adult Intelligence Scale-IV (WAIS-IV) was used. Scores range from 1 to 19, with higher scores indicating worse outcomes.

    Time frame: Within 4 months of the intake assessment

  11. Changes in Executive Function (Trail)

    Changes in Executive function (Trail making task) will be measured from intake to completion of the intervention (4 months after intake). The Trail-Making subtest of the Delis-Kaplan Executive Function System (D-KEFS) was used. Scores range from 1 to 19, with higher scores indicating worse outcomes.

    Time frame: Within 4 months of the intake assessment

  12. Changes in Executive Function (BRIEF)

    Changes in self-reported Executive function problems (BRIEF) will be measured from intake to completion of the intervention (4 months after intake). The Global Executive Composite (GEC) of the Behavior Rating Inventory of Executive Function (BRIEF) was used. T-scores are reported. A T-score of 50 indicates the population mean, and 10 is the standard deviation. Higher T-scores indicate worse outcomes. T-scores above 65 indicate clinically significant problems.

    Time frame: Within 4 months of the intake assessment

  13. Changes in Executive Function (SST)

    Changes in Executive function (Stop Signal Task) will be measured from intake to completion of the intervention (4 months after intake).

    Time frame: Within 4 months of the intake assessment

  14. Health Care Contacts

    Combined measure of number of Emergency Department (ED) visits and overnight hospitalizations.

    Time frame: One year period starting at intake assessment.

  15. Health Care Costs

    Costs associated with combined Emergency Department (ED) visits and overnight hospitalizations.

    Time frame: One year period starting at intake assessment.

Other outcomes

  1. Maintenance of Fitness Following Intervention (Peak Oxygen Uptake)

    Changes in fitness level (peak oxygen uptake) will be measured from intervention completion until follow-up (8 months after intervention completion).

    Time frame: From completion of intervention (4 months) to follow-up (one-year).

  2. Maintenance of Fitness Following Intervention (Estimated Metabolic Equivalent of Task)

    Changes in fitness level (Estimated Metabolic Equivalent of Task) will be measured from intervention completion until follow-up (8 months after intervention completion).

    Time frame: From completion of intervention (4 months) to follow-up (one-year).

  3. Maintenance of Waist Circumference Following Intervention.

    Changes in waist circumference will be measured from intervention completion until follow-up (8 months after intervention completion).

    Time frame: From completion of intervention (4 months) to follow-up (one-year).

  4. Maintenance of Smoking Status Following Intervention.

    Changes in smoking status will be measured from intervention completion until follow-up (8 months after intervention completion).

    Time frame: From completion of intervention (4 months) to follow-up (one-year).

  5. Maintenance of Quality of Life (Cardiac-specific) Following Intervention.

    Changes in perceived quality of life (MacNew) questionnaires will be measured from intervention completion until follow-up (8 months after intervention completion). The MacNew Heart Disease Health-Related Quality of Life Questionnaire was used. Scores range from 1 to 7, with higher scores indicating better outcomes.

    Time frame: From completion of intervention (4 months) to follow-up (one-year).

  6. Maintenance of Quality of Life (Noncardiac-specific) Following Intervention.

    Changes in perceived quality of life (EuroQoL) questionnaires will be measured from intervention completion until follow-up (8 months after intervention completion). The Visual Analogue Scale of the EuroQol-5D-3L was used. Scores range from 0 to 100, with higher scores indicating better outcomes.

    Time frame: From completion of intervention (4 months) to follow-up (one-year).

  7. Maintenance of Mental Health Following Intervention.

    Changes in mental health (Adult Self-Report) questionnaires will be measured from intervention completion until follow-up (8 months after intervention completion) using the Achenbach System of Empirically Based Assessment (ASEBA). T-scores are reported. A T-score of 50 indicates the population mean, and 10 is the standard deviation. Higher T-scores indicate worse outcomes. T-scores above 63 indicate clinically significant problems, and those between 60 and 63 fall within the borderline clinical range.

    Time frame: From completion of intervention (4 months) to follow-up (one-year).

  8. Maintenance of Depressive Symptoms Following Intervention.

    Changes in reported depressive symptoms "The Beck Depression Inventory (BDI)" will be measured from intervention completion until follow-up (8 months after intervention completion). BDI results will be back transformed due to data being square root transformed. Scores range from 0 to 63, with higher scores indicating worse outcomes.

    Time frame: From completion of intervention (4 months) to follow-up (one-year).

  9. Maintenance of Executive Function (Delay Discounting) Following Intervention.

    Changes in Executive function (delay discounting) will be measured from intervention completion until follow-up (8 months after intervention completion). A 5-trial adjusting delay discounting task will be used to calculate k values, numerical representations of the rate of discounting. k values range from 0 to 0.5, with larger values indicating steeper discounting (more impulsivity; greater propensity to devalue delayed rewards in favor of more immediate outcomes). k values were log(10) transformed for analysis. Larger log transformed k values indicate steeper discounting.

    Time frame: From completion of intervention (4 months) to follow-up (one-year).

  10. Maintenance of Executive Function (DS) Following Intervention.

    Changes in Executive function (digit span) will be measured from intervention completion until follow-up (8 months after intervention completion). The Digit Span subtest of the Wechsler Adult Intelligence Scale-IV (WAIS-IV) was used. Scores range from 1 to 19, with higher scores indicating worse outcomes.

    Time frame: From completion of intervention (4 months) to follow-up (one-year).

  11. Maintenance of Executive Function (BRIEF) Following Intervention.

    Changes in self-reported Executive function problems (BRIEF) will be measured from intervention completion until follow-up (8 months after intervention completion). The Global Executive Composite (GEC) of the Behavior Rating Inventory of Executive Function (BRIEF) was used. T-scores are reported. A T-score of 50 indicates the population mean, and 10 is the standard deviation. Higher T-scores indicate worse outcomes. T-scores above 65 indicate clinically significant problems.

    Time frame: From completion of intervention (4 months) to follow-up (one-year).

  12. Maintenance of Executive Function (SST) Following Intervention.

    Changes in Executive function (stop signal task) will be measured from intervention completion until follow-up (8 months after intervention completion).

    Time frame: From completion of intervention (4 months) to follow-up (one-year).

  13. Maintenance of Executive Function (Trail) Following Intervention.

    Changes in Executive function (trail making task) will be measured from intervention completion until follow-up (8 months after intervention completion). The Trail-Making subtest of the Delis-Kaplan Executive Function System (D-KEFS) was used. Scores range from 1 to 19, with higher scores indicating worse outcomes.

    Time frame: From completion of intervention (4 months) to follow-up (one-year).

  14. Cost-effectiveness

    Cost-effectiveness of the intervention will be determined. Cost-effectiveness is a single outcome (cost per per quality-adjusted life year gained) that is calculated by integrating the cost of delivering the intervention, the cost to the patient of receiving the intervention, and the benefits both in quality of life and in reductions in healthcare utilization.

    Time frame: One year period starting at intake assessment.

07

Results

Posted Oct 9, 2024
Limitations and caveats
Study was powered for attendance rather than clinical outcomes; Study was conducted exclusively within Vermont, which may limit generalizability; Some assessment data are limited due to COVID-19 restrictions

Participant flow

Participant flow — Overall Study
MilestoneIncentivesCase ManagementIncentives and Case ManagementUsual Care
Started57575738
Completed53515236
Not completed4652
Withdrew: Not appropriate for cardiac rehab4442
Withdrew: Moved outside eligible area0200
Withdrew: Withdrawal by subject0010

Outcome measures

PrimaryCardiac Rehabilitation Attendance

Number of cardiac rehabilitation sessions completed out of a possible 36

Time frame:
Within 4 months of the intake assessment
Reported as:
Least squares mean · sessions of CR
Cardiac Rehabilitation Attendance
sessions of CRIncentivesCase ManagementIncentives and Case ManagementUsual Care
Cardiac Rehabilitation Attendance16.9 (12.7 to 21.1)12.0 (7.7 to 16.1)24.1 (19.9 to 28.4)10.9 (5.8 to 15.9)
PrimaryCardiac Rehabilitation Completion

Proportion of patients who complete 30+ sessions of cardiac rehabilitation

Time frame:
Within 4 months of the intake assessment
Reported as:
Count of participants · Participants
Cardiac Rehabilitation Completion
ParticipantsIncentivesCase ManagementIncentives and Case ManagementUsual Care
Cardiac Rehabilitation Completion2213324
SecondaryChange in Fitness (Peak Oxygen Uptake)

Changes in fitness level (peak oxygen uptake) will be measured from intake to completion of the intervention (4 months after intake).

Time frame:
Within 4 months of the intake assessment
Reported as:
Least squares mean · milliliters per kilogram per minute
Change in Fitness (Peak Oxygen Uptake)
milliliters per kilogram per minuteIncentivesCase ManagementIncentives and Case ManagementUsual Care
Change in Fitness (Peak Oxygen Uptake)20.9 (20.0 to 21.9)18.3 (17.3 to 19.3)18.6 (17.7 to 19.5)21.2 (19.8 to 22.6)
SecondaryChange in Fitness (Estimated Metabolic Equivalent of Task)

Changes in fitness level (Metabolic Equivalent of Tasks) will be measured from intake to completion of the intervention (4 months after intake).

Time frame:
Within 4 months of the intake assessment
Reported as:
Least squares mean · milliliters per kilogram per minute
Change in Fitness (Estimated Metabolic Equivalent of Task)
milliliters per kilogram per minuteIncentivesCase ManagementIncentives and Case ManagementUsual Care
Change in Fitness (Estimated Metabolic Equivalent of Task)7.4 (6.8 to 8.1)6.5 (5.8 to 7.2)7.0 (6.3 to 7.7)6.7 (5.7 to 7.8)
SecondaryChange in Body Composition

Changes in waist measurement will be measured from intake to completion of the intervention (4 months after intake).

Time frame:
Within 4 months of the intake assessment
Reported as:
Least squares mean · inches
Change in Body Composition
inchesIncentivesCase ManagementIncentives and Case ManagementUsual Care
Change in Body Composition42.1 (41.6 to 42.6)42.7 (42.1 to 43.2)42.1 (41.7 to 42.6)42.0 (41.3 to 42.7)
SecondaryChanges in Smoking Status

Changes in smoking status will be measured from intake to completion of the intervention (4 months after intake).

Time frame:
Within 4 months of the intake assessment
Reported as:
Count of participants · Participants
Changes in Smoking Status
ParticipantsIncentivesCase ManagementIncentives and Case ManagementUsual Care
Changes in Smoking Status810115
SecondaryChanges in Quality of Life - Cardiac Specific

Changes in perceived quality of life (MacNew) questionnaires will be measured from intake to completion of the intervention (4 months after intake). The MacNew Heart Disease Health-Related Quality of Life Questionnaire was used. Scores range from 1 to 7, with higher scores indicating better outcomes.

Time frame:
Within 4 months of the intake assessment
Reported as:
Least squares mean · score on a scale
Changes in Quality of Life - Cardiac Specific
score on a scaleIncentivesCase ManagementIncentives and Case ManagementUsual Care
Changes in Quality of Life - Cardiac Specific5.4 (5.3 to 5.6)5.4 (5.2 to 5.6)5.2 (5.1 to 5.4)5.4 (5.2 to 5.7)
SecondaryChanges in Quality of Life - Non-specific

Changes in perceived quality of life (EuroQoL) questionnaires will be measured from intake to completion of the intervention (4 months after intake). The Visual Analogue Scale of the EuroQol-5D-3L was used. Scores range from 0 to 100, with higher scores indicating better outcomes.

Time frame:
Within 4 months of the intake assessment
Reported as:
Least squares mean · score on a scale
Changes in Quality of Life - Non-specific
score on a scaleIncentivesCase ManagementIncentives and Case ManagementUsual Care
Changes in Quality of Life - Non-specific66.0 (61.9 to 70.2)66.2 (61.5 to 70.9)70.3 (66.2 to 74.3)64.0 (57.7 to 70.4)
SecondaryChanges in Mental Health

Changes in mental health (Adult Self-Report) questionnaires will be measured from intake to completion of the intervention (4 months after intake) using the Achenbach System of Empirically Based Assessment (ASEBA). T-scores are reported. A T-score of 50 indicates the population mean, and 10 is the standard deviation. Higher T-scores indicate worse outcomes. T-scores above 63 indicate clinically significant problems, and those between 60 and 63 fall within the borderline clinical range.

Time frame:
Within 4 months of the intake assessment
Reported as:
Least squares mean · T scores
Changes in Mental Health
T scoresIncentivesCase ManagementIncentives and Case ManagementUsual Care
Changes in Mental Health54.16 (52.45 to 55.86)55.58 (53.70 to 57.46)55.41 (53.86 to 56.96)52.82 (50.33 to 55.31)
SecondaryChanges in Depressive Symptoms

Changes in reported depressive symptoms "The Beck Depression Inventory (BDI)" will be measured from intake to completion of the intervention (4 months after intake). BDI results will be back transformed due to data being square root transformed. Scores range from 0 to 63, with higher scores indicating worse outcomes.

Time frame:
Within 4 months of the intake assessment
Reported as:
Least squares mean · score on a scale
Changes in Depressive Symptoms
score on a scaleIncentivesCase ManagementIncentives and Case ManagementUsual Care
Changes in Depressive Symptoms9.0 (7.3 to 10.8)6.6 (5.1 to 8.3)9.1 (7.5 to 10.9)6.6 (4.7 to 8.8)
SecondaryChanges in Executive Function (Delay Discounting)

Changes in Executive function (delay discounting) will be measured from intake to completion of the intervention (4 months after intake). A 5-trial adjusting delay discounting task was used to calculate k values, numerical representations of the rate of discounting. k values range from 0 to 0.5, with larger values indicating steeper discounting (more impulsivity; greater propensity to devalue delayed rewards in favor of more immediate outcomes). k values were log(10) transformed for analysis. Larger log transformed k values indicate steeper discounting.

Time frame:
Within 4 months of the intake assessment
Reported as:
Least squares mean · log of k
Changes in Executive Function (Delay Discounting)
log of kIncentivesCase ManagementIncentives and Case ManagementUsual Care
Changes in Executive Function (Delay Discounting)-1.82 (-2.11 to -1.52)-1.94 (-2.26 to -1.61)-2.32 (-2.58 to -2.05)-2.52 (-2.91 to -2.13)
SecondaryChanges in Executive Function (DS)

Changes in Executive function (digit span) will be measured from intake to completion of the intervention (4 months after intake). The Digit Span subtest of the Wechsler Adult Intelligence Scale-IV (WAIS-IV) was used. Scores range from 1 to 19, with higher scores indicating worse outcomes.

Time frame:
Within 4 months of the intake assessment
Reported as:
Least squares mean · score on a scale
Changes in Executive Function (DS)
score on a scaleIncentivesCase ManagementIncentives and Case ManagementUsual Care
Changes in Executive Function (DS)8.51 (8.13 to 8.90)8.21 (7.77 to 8.65)9.16 (8.82 to 9.51)8.87 (8.35 to 9.39)
SecondaryChanges in Executive Function (Trail)

Changes in Executive function (Trail making task) will be measured from intake to completion of the intervention (4 months after intake). The Trail-Making subtest of the Delis-Kaplan Executive Function System (D-KEFS) was used. Scores range from 1 to 19, with higher scores indicating worse outcomes.

Time frame:
Within 4 months of the intake assessment
Reported as:
Least squares mean · score on a scale
Changes in Executive Function (Trail)
score on a scaleIncentivesCase ManagementIncentives and Case ManagementUsual Care
Changes in Executive Function (Trail)10.19 (9.59 to 10.78)10.19 (9.46 to 10.93)10.29 (9.74 to 10.85)11.01 (10.22 to 11.80)
SecondaryChanges in Executive Function (BRIEF)

Changes in self-reported Executive function problems (BRIEF) will be measured from intake to completion of the intervention (4 months after intake). The Global Executive Composite (GEC) of the Behavior Rating Inventory of Executive Function (BRIEF) was used. T-scores are reported. A T-score of 50 indicates the population mean, and 10 is the standard deviation. Higher T-scores indicate worse outcomes. T-scores above 65 indicate clinically significant problems.

Time frame:
Within 4 months of the intake assessment
Reported as:
Least squares mean · T scores
Changes in Executive Function (BRIEF)
T scoresIncentivesCase ManagementIncentives and Case ManagementUsual Care
Changes in Executive Function (BRIEF)55.35 (53.54 to 57.15)56.64 (54.44 to 58.84)55.67 (53.96 to 57.39)54.91 (52.43 to 57.39)
SecondaryChanges in Executive Function (SST)

Changes in Executive function (Stop Signal Task) will be measured from intake to completion of the intervention (4 months after intake).

Time frame:
Within 4 months of the intake assessment
Reported as:
Least squares mean · seconds
Changes in Executive Function (SST)
secondsIncentivesCase ManagementIncentives and Case ManagementUsual Care
Changes in Executive Function (SST)180.86 (162.62 to 199.09)182.53 (163.40 to 201.65)221.77 (206.75 to 236.80)165.26 (141.26 to 189.26)
SecondaryHealth Care Contacts

Combined measure of number of Emergency Department (ED) visits and overnight hospitalizations.

Time frame:
One year period starting at intake assessment.
Reported as:
Number · number of visits
Health Care Contacts
number of visitsIncentivesCase ManagementIncentives and Case ManagementUsual Care
Health Care Contacts113180201142
SecondaryHealth Care Costs

Costs associated with combined Emergency Department (ED) visits and overnight hospitalizations.

Time frame:
One year period starting at intake assessment.

Results for this outcome have not been posted.

Other pre-specifiedMaintenance of Fitness Following Intervention (Peak Oxygen Uptake)

Changes in fitness level (peak oxygen uptake) will be measured from intervention completion until follow-up (8 months after intervention completion).

Time frame:
From completion of intervention (4 months) to follow-up (one-year).
Reported as:
Mean · milliliters per kilogram per minute
Maintenance of Fitness Following Intervention (Peak Oxygen Uptake)
milliliters per kilogram per minuteIncentivesCase ManagementIncentives and Case ManagementUsual Care
Maintenance of Fitness Following Intervention (Peak Oxygen Uptake)20.2 ± 5.818.5 ± 6.321.3 ± 7.419.0 ± 7.4
Other pre-specifiedMaintenance of Fitness Following Intervention (Estimated Metabolic Equivalent of Task)

Changes in fitness level (Estimated Metabolic Equivalent of Task) will be measured from intervention completion until follow-up (8 months after intervention completion).

Time frame:
From completion of intervention (4 months) to follow-up (one-year).
Reported as:
Mean · milliliters per kilogram per minute
Maintenance of Fitness Following Intervention (Estimated Metabolic Equivalent of Task)
milliliters per kilogram per minuteIncentivesCase ManagementIncentives and Case ManagementUsual Care
Maintenance of Fitness Following Intervention (Estimated Metabolic Equivalent of Task)6.4 ± 3.36.8 ± 3.07.4 ± 3.56.4 ± 2.8
Other pre-specifiedMaintenance of Waist Circumference Following Intervention.

Changes in waist circumference will be measured from intervention completion until follow-up (8 months after intervention completion).

Time frame:
From completion of intervention (4 months) to follow-up (one-year).
Reported as:
Mean · inches
Maintenance of Waist Circumference Following Intervention.
inchesIncentivesCase ManagementIncentives and Case ManagementUsual Care
Maintenance of Waist Circumference Following Intervention.42.5 ± 7.144.2 ± 8.842.0 ± 7.042.2 ± 7.4
Other pre-specifiedMaintenance of Smoking Status Following Intervention.

Changes in smoking status will be measured from intervention completion until follow-up (8 months after intervention completion).

Time frame:
From completion of intervention (4 months) to follow-up (one-year).
Reported as:
Count of participants · Participants
Maintenance of Smoking Status Following Intervention.
ParticipantsIncentivesCase ManagementIncentives and Case ManagementUsual Care
Maintenance of Smoking Status Following Intervention.79123
Other pre-specifiedMaintenance of Quality of Life (Cardiac-specific) Following Intervention.

Changes in perceived quality of life (MacNew) questionnaires will be measured from intervention completion until follow-up (8 months after intervention completion). The MacNew Heart Disease Health-Related Quality of Life Questionnaire was used. Scores range from 1 to 7, with higher scores indicating better outcomes.

Time frame:
From completion of intervention (4 months) to follow-up (one-year).

Results for this outcome have not been posted.

Other pre-specifiedMaintenance of Quality of Life (Noncardiac-specific) Following Intervention.

Changes in perceived quality of life (EuroQoL) questionnaires will be measured from intervention completion until follow-up (8 months after intervention completion). The Visual Analogue Scale of the EuroQol-5D-3L was used. Scores range from 0 to 100, with higher scores indicating better outcomes.

Time frame:
From completion of intervention (4 months) to follow-up (one-year).

Results for this outcome have not been posted.

Other pre-specifiedMaintenance of Mental Health Following Intervention.

Changes in mental health (Adult Self-Report) questionnaires will be measured from intervention completion until follow-up (8 months after intervention completion) using the Achenbach System of Empirically Based Assessment (ASEBA). T-scores are reported. A T-score of 50 indicates the population mean, and 10 is the standard deviation. Higher T-scores indicate worse outcomes. T-scores above 63 indicate clinically significant problems, and those between 60 and 63 fall within the borderline clinical range.

Time frame:
From completion of intervention (4 months) to follow-up (one-year).

Results for this outcome have not been posted.

Other pre-specifiedMaintenance of Depressive Symptoms Following Intervention.

Changes in reported depressive symptoms "The Beck Depression Inventory (BDI)" will be measured from intervention completion until follow-up (8 months after intervention completion). BDI results will be back transformed due to data being square root transformed. Scores range from 0 to 63, with higher scores indicating worse outcomes.

Time frame:
From completion of intervention (4 months) to follow-up (one-year).

Results for this outcome have not been posted.

Other pre-specifiedMaintenance of Executive Function (Delay Discounting) Following Intervention.

Changes in Executive function (delay discounting) will be measured from intervention completion until follow-up (8 months after intervention completion). A 5-trial adjusting delay discounting task will be used to calculate k values, numerical representations of the rate of discounting. k values range from 0 to 0.5, with larger values indicating steeper discounting (more impulsivity; greater propensity to devalue delayed rewards in favor of more immediate outcomes). k values were log(10) transformed for analysis. Larger log transformed k values indicate steeper discounting.

Time frame:
From completion of intervention (4 months) to follow-up (one-year).

Results for this outcome have not been posted.

Other pre-specifiedMaintenance of Executive Function (DS) Following Intervention.

Changes in Executive function (digit span) will be measured from intervention completion until follow-up (8 months after intervention completion). The Digit Span subtest of the Wechsler Adult Intelligence Scale-IV (WAIS-IV) was used. Scores range from 1 to 19, with higher scores indicating worse outcomes.

Time frame:
From completion of intervention (4 months) to follow-up (one-year).

Results for this outcome have not been posted.

Other pre-specifiedMaintenance of Executive Function (BRIEF) Following Intervention.

Changes in self-reported Executive function problems (BRIEF) will be measured from intervention completion until follow-up (8 months after intervention completion). The Global Executive Composite (GEC) of the Behavior Rating Inventory of Executive Function (BRIEF) was used. T-scores are reported. A T-score of 50 indicates the population mean, and 10 is the standard deviation. Higher T-scores indicate worse outcomes. T-scores above 65 indicate clinically significant problems.

Time frame:
From completion of intervention (4 months) to follow-up (one-year).

Results for this outcome have not been posted.

Other pre-specifiedMaintenance of Executive Function (SST) Following Intervention.

Changes in Executive function (stop signal task) will be measured from intervention completion until follow-up (8 months after intervention completion).

Time frame:
From completion of intervention (4 months) to follow-up (one-year).

Results for this outcome have not been posted.

Other pre-specifiedMaintenance of Executive Function (Trail) Following Intervention.

Changes in Executive function (trail making task) will be measured from intervention completion until follow-up (8 months after intervention completion). The Trail-Making subtest of the Delis-Kaplan Executive Function System (D-KEFS) was used. Scores range from 1 to 19, with higher scores indicating worse outcomes.

Time frame:
From completion of intervention (4 months) to follow-up (one-year).

Results for this outcome have not been posted.

Other pre-specifiedCost-effectiveness

Cost-effectiveness of the intervention will be determined. Cost-effectiveness is a single outcome (cost per per quality-adjusted life year gained) that is calculated by integrating the cost of delivering the intervention, the cost to the patient of receiving the intervention, and the benefits both in quality of life and in reductions in healthcare utilization.

Time frame:
One year period starting at intake assessment.

Results for this outcome have not been posted.

Adverse events

Collected over 1 Year. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Incentives3/53 (5.7%)15/53 (28.3%)39/53 (73.6%)
Case Management5/51 (9.8%)25/51 (49%)42/51 (82.4%)
Incentives and Case Management3/52 (5.8%)20/52 (38.5%)42/52 (80.8%)
Usual Care0/36 (0%)16/36 (44.4%)27/36 (75%)
Most frequent serious events
Showing 10 of 49
Most frequent serious events
EventIncentivesCase ManagementIncentives and Case ManagementUsual Care
Chest Pain - CardiacCardiac disorders2/534/515/527/36
Surgical and Medical Procedures - OtherSurgical and medical procedures4/537/512/524/36
DyspneaRespiratory, thoracic and mediastinal disorders2/535/511/523/36
Death NOSGeneral disorders3/534/512/520/36
Small Intestinal ObstructionGastrointestinal disorders0/530/511/522/36
StrokeNervous system disorders0/530/511/522/36
Abdominal PainGastrointestinal disorders0/530/512/521/36
Atrial FibrillationCardiac disorders0/530/512/521/36
SyncopeNervous system disorders1/531/512/520/36
Acute Kidney InjuryRenal and urinary disorders1/530/510/521/36
Most frequent other events
Showing 10 of 139
Most frequent other events
EventIncentivesCase ManagementIncentives and Case ManagementUsual Care
Abdominal painGastrointestinal disorders1/533/514/527/36
Chest pain - cardiacCardiac disorders6/539/518/527/36
DyspneaRespiratory, thoracic and mediastinal disorders5/535/514/526/36
Suicidal ideationPsychiatric disorders4/537/514/526/36
Pain in extremityMusculoskeletal and connective tissue disorders3/531/518/522/36
FallInjury, poisoning and procedural complications1/532/515/525/36
Surgical and medical procedures - OtherSurgical and medical procedures5/533/517/524/36
Back painMusculoskeletal and connective tissue disorders1/534/513/524/36
COVID-19Infections and infestations3/532/513/524/36
HyperglycemiaMetabolism and nutrition disorders0/530/510/524/36

Baseline characteristics

Age, Categorical
Age, Categorical(Participants)IncentivesCase ManagementIncentives and Case ManagementUsual CareTotal
<=18 years00000
Between 18 and 65 years39394227147
>=65 years141210945
Age, Continuous
Age, Continuous(years)IncentivesCase ManagementIncentives and Case ManagementUsual CareTotal
Mean57.6 ± 11.257.9 ± 12.757.9 ± 10.957.1 ± 10.557.7 ± 11.3
Sex: Female, Male
Sex: Female, Male(Participants)IncentivesCase ManagementIncentives and Case ManagementUsual CareTotal
Female1221201467
Male41303222125
Race/Ethnicity, Customized
Race/Ethnicity, Customized(participants)IncentivesCase ManagementIncentives and Case ManagementUsual CareTotal
Hispanic White03003
Hispanic Other/Multiracial10001
Black or African American34119
Asian10023
American Indian21115
Other/Multiracial22239
Non-Hispanic White44414829162
Region of Enrollment
Region of Enrollment(participants)IncentivesCase ManagementIncentives and Case ManagementUsual CareTotal
United States53515236192
Primary Diagnosis
Primary Diagnosis(Participants)IncentivesCase ManagementIncentives and Case ManagementUsual CareTotal
Percutaneous Intervention27273123108
Coronary Artery Bypass Graft1276429
Valve Replacement/Repair785222
Chronic Systolic Heart Failure664521
Myocardial Infarction11529
Stable Angina02103
Currently Smoking
Currently Smoking(Participants)IncentivesCase ManagementIncentives and Case ManagementUsual CareTotal
Count of participants2321231885
Patient Health Questionnaire-2
Patient Health Questionnaire-2(Participants)IncentivesCase ManagementIncentives and Case ManagementUsual CareTotal
Screen Negative (0-2)39414025145
Screen Positive (0-2)1310111145
Data Missing10102

9 further baseline measures are reported on the registry.

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Study locations

1 site
  • University of Vermont Medical Center
    Burlington, Vermont 05405, United States
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References and documents

Study documents

  • Protocol and statistical analysis plan · Feb 10, 2022
  • Informed consent form · Feb 16, 2021

Documents are hosted by the registry — open the source record to download them.

Individual participant data

Plan to share: No

10

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Oct 9, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT03759873
Lead sponsor
University of Vermont
Collaborators
National Heart, Lung, and Blood Institute (NHLBI)
Responsible party
Diann Gaalema (Assistant Professor, University of Vermont) — Principal investigator
First posted
Nov 30, 2018
Start date
Dec 3, 2018
Primary completion
May 1, 2023
Completion
Feb 28, 2024
Results posted
Oct 9, 2024
Last update
Oct 9, 2024

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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