CClinicalTrials.gg
CompletedNCT04333199Updated Jun 11, 2021Results posted

Timely Nudge About Lab Results to Increase myGeisinger Uptake

An interventional study of Timely and Transparency in Telehealth and Health Behavior, sponsored by Geisinger Clinic. Completed at 1 site in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2021-06-11.

Sponsored by Geisinger Clinic · Not applicable, Interventional, and Health services research

Phase
Not applicable
Study type
Interventional
Enrollment
5,012
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

The purpose of the current study is to test whether sending email communications in a timely manner - when patients have laboratory results available to view on the myGeisinger patient portal - increases enrollment in the portal.

Read the detailed description

Online patient portals are convenient tools that improve patient access to healthcare services while often reducing burden to both patients and providers. However, many patients have not enrolled in such portals, including Geisinger's patient portal, known as myGeisinger.

The purpose of the current study is to test whether sending myGeisinger enrollment information in a timely manner - when the benefits of enrolling are most readily available - increases enrollment. Specifically, messages will be timely in terms of lab test results having just been made available online, with the added benefit that patients can view their results prior to receiving them via mail. Unenrolled patients who recently had a laboratory procedure ordered and whose results are now ready for sharing will be informed via email that their lab results are available. At the same time, these patients will be reminded that these results can be viewed online through myGeisinger.

The primary outcome measure of interest, myGeisinger enrollment rates, will be compared between the emailed population and a control group that similarly has lab results available but will not be contacted. In addition, two different versions of the email communication will be tested. One will highlight that the patient will have to go through a sign-up process before viewing test results (in the service of transparency). The other will provide a presumed direct link to view those results, via a button that potentially serves as a pre-commitment step to undergo the registration process ("foot in the door" effect). Secondary analyses will assess differences in enrollment rates as well as unsubscribe rates between the email versions. Exploratory analyses will further examine differences in the rates at which patients opened and clicked on enrollment links within the two emails. Statistical analyses will employ generalized linear models with a binary distribution and log-link function.

02

Conditions studied

  • Telehealth
  • Health Behavior

Keywords

  • Behavioral Economics
  • Patient Portal
03

In context

Lead sponsor

Geisinger Clinic is the lead sponsor of 125 studies on the registry; 21 are open to participants now.

Of its 9 completed or terminated interventional studies of FDA-regulated products, 7 (78%) 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

  • Geisinger patient for whom a lab was ordered within 30 days prior to email date
  • Patient's lab test result released day before email date

Exclusion criteria

Exclusion Criteria:

  • Patient already enrolled in myGeisinger
  • Patient has already declined myGeisinger
05

Study design

Phase
Not applicable
Primary purpose
Health services research
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Single (Participant)
Enrollment
5,012 participants (actual)

Study arms

  • No intervention
    Control

    Patients do not receive an email

  • Experimental
    Timely nudge - view results

    Patients are emailed about myGeisinger when they have a lab result ready to view. The email includes a "View My Lab Results" button, which encourages them to click as a pre-commitment step that then brings them to the myGeisinger sign-up page.

    Behavioral: Timely · Behavioral: Foot-in-the-door

  • Experimental
    Timely nudge - get started

    Patients are emailed about myGeisinger when they have a lab result ready to view. The email includes a "Get Started With myGeisinger" button that is transparent about the next step in the process, before the patient can view test results.

    Behavioral: Timely · Behavioral: Transparency

Interventions

  • BehavioralTimely

    Email

  • BehavioralTransparency

    Email

  • BehavioralFoot-in-the-door

    Email

06

What researchers measure

Primary outcomes

  1. Enrollment - Timely Email (Combined Email Arms) vs. no Intervention

    Patient enrolled in myGeisinger (yes / no)

    Time frame: 1 week post-intervention

Secondary outcomes

  1. Enrollment - Email Including a "Get Started" Button vs. a "View Results" Button

    Patient enrolled in myGeisinger (yes / no)

    Time frame: 1 week post-intervention

  2. Email Opened - Email Including a "Get Started" Button vs. a "View Results" Button

    Email was opened (yes / no)

    Time frame: 1 week post-intervention

  3. Link Clicked - Email Including a "Get Started" Button vs. a "View Results" Button

    Link / button to start the enrollment process was clicked (yes / no)

    Time frame: 1 week post-intervention

  4. Unsubscribed - Email Including a "Get Started" Button vs. a "View Results" Button

    Patient unsubscribed from these email communications (yes / no)

    Time frame: 1 month post-intervention

  5. Enrollment - Timely Email (Combined Email Arms) vs. no Intervention

    Patient enrolled in myGeisinger (yes / no)

    Time frame: 1 month post-intervention

07

Results

Posted May 3, 2021
Limitations and caveats
For this study, we only received data about engagement with the email and enrollment in the patient portal. Demographic information such as age, sex, or gender were not collected. Note that for some patients, enrollment data could not be extracted from Geisinger's electronic health records; these patients were excluded from analyses.

Participant flow

Evaluated Patients
Participant flow — Evaluated Patients
MilestoneControlTimely Nudge - View ResultsTimely Nudge - Get Started
Started166916721671
Completed166916711669
Not completed012
Withdrew: Lost to follow-up012
Emailed Patients
Participant flow — Emailed Patients
MilestoneControlTimely Nudge - View ResultsTimely Nudge - Get Started
Started016711669
Valid email address014951441
Completed013991351
Not completed0272318

Outcome measures

PrimaryEnrollment - Timely Email (Combined Email Arms) vs. no Intervention

Patient enrolled in myGeisinger (yes / no)

Time frame:
1 week post-intervention
Reported as:
Count of participants · Participants
Enrollment - Timely Email (Combined Email Arms) vs. no Intervention
ParticipantsControlTimely Nudge
Enrollment - Timely Email (Combined Email Arms) vs. no Intervention65361
Statistical analysis
  • Control vs Timely Nudge · Regression, Logistic · p = <0.001 (We used an a priori threshold of p \< .05.) · Odds ratio (or): 2.9903891 · 95% CI 2.2805876 to 3.9211066
SecondaryEnrollment - Email Including a "Get Started" Button vs. a "View Results" Button

Patient enrolled in myGeisinger (yes / no)

Time frame:
1 week post-intervention
Reported as:
Count of participants · Participants
Enrollment - Email Including a "Get Started" Button vs. a "View Results" Button
ParticipantsTimely Nudge - View ResultsTimely Nudge - Get Started
Enrollment - Email Including a "Get Started" Button vs. a "View Results" Button190159
Statistical analysis
  • Timely Nudge - View Results vs Timely Nudge - Get Started · Regression, Logistic · p = 0.154 (We used an a priori threshold of p \< .05.) · Odds ratio (or): 1.1781659 · 95% CI 0.9404654 to 1.4759445
SecondaryEmail Opened - Email Including a "Get Started" Button vs. a "View Results" Button

Email was opened (yes / no)

Time frame:
1 week post-intervention
Reported as:
Count of participants · Participants
Email Opened - Email Including a "Get Started" Button vs. a "View Results" Button
ParticipantsTimely Nudge - View ResultsTimely Nudge - Get Started
Email Opened - Email Including a "Get Started" Button vs. a "View Results" Button654617
Statistical analysis
  • Timely Nudge - View Results vs Timely Nudge - Get Started · Regression, Logistic · p = 0.571 (We used an a priori threshold of p \< .05.) · Odds ratio (or): 0.9575636 · 95% CI 0.8242111 to 1.1124918
SecondaryLink Clicked - Email Including a "Get Started" Button vs. a "View Results" Button

Link / button to start the enrollment process was clicked (yes / no)

Time frame:
1 week post-intervention
Reported as:
Count of participants · Participants
Link Clicked - Email Including a "Get Started" Button vs. a "View Results" Button
ParticipantsTimely Nudge - View ResultsTimely Nudge - Get Started
Link Clicked - Email Including a "Get Started" Button vs. a "View Results" Button494307
Statistical analysis
  • Timely Nudge - View Results vs Timely Nudge - Get Started · Regression, Logistic · p = <0.001 (We used an a priori threshold of p \< .05.) · Odds ratio (or): 1.8562672 · 95% CI 1.5692523 to 2.1957769
SecondaryUnsubscribed - Email Including a "Get Started" Button vs. a "View Results" Button

Patient unsubscribed from these email communications (yes / no)

Time frame:
1 month post-intervention
Reported as:
Count of participants · Participants
Unsubscribed - Email Including a "Get Started" Button vs. a "View Results" Button
ParticipantsTimely Nudge - View ResultsTimely Nudge - Get Started
Unsubscribed - Email Including a "Get Started" Button vs. a "View Results" Button22
SecondaryEnrollment - Timely Email (Combined Email Arms) vs. no Intervention

Patient enrolled in myGeisinger (yes / no)

Time frame:
1 month post-intervention
Reported as:
Count of participants · Participants
Enrollment - Timely Email (Combined Email Arms) vs. no Intervention
ParticipantsControlTimely Nudge
Enrollment - Timely Email (Combined Email Arms) vs. no Intervention141488
Statistical analysis
  • Control vs Timely Nudge · Regression, Logistic · p = <0.001 (We used an a priori threshold of p \< .05.) · Odds ratio (or): 1.8542767 · 95% CI 1.5220654 to 2.2589975

Adverse events

Collected over No adverse events were evaluated.. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Control———
Timely Nudge - View Results———
Timely Nudge - Get Started———

Baseline characteristics

Investigators did not have access to baseline demographic information for study participants.

Age, Categorical
Age, Categorical(Participants)ControlTimely Nudge - View ResultsTimely Nudge - Get StartedTotal
<=18 yearsNANANANA
Between 18 and 65 yearsNANANANA
>=65 yearsNANANANA
Sex: Female, Male
Sex: Female, Male(Participants)ControlTimely Nudge - View ResultsTimely Nudge - Get StartedTotal
FemaleNANANANA
MaleNANANANA
Race and Ethnicity Not Collected
Race and Ethnicity Not Collected(Participants)ControlTimely Nudge - View ResultsTimely Nudge - Get StartedTotal
Count of participants———0
08

Study locations

1 site
  • Geisinger
    Danville, Pennsylvania 17822, United States
09

References and documents

Study documents

  • Protocol and statistical analysis plan · Apr 7, 2021

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

Individual participant data

Plan to share: Yes — Data with no personally identifiable information will be made available to other researchers on the Open Science Framework for transparency. This will include the essential data and code needed to replicate the analysis that yielded reported findings.

Supporting information: Analytic code

10

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jun 11, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT04333199
Lead sponsor
Geisinger Clinic
Responsible party
Amir Goren (Program Director, Behavioral Insights Team, Geisinger Clinic) — Principal investigator
First posted
Apr 3, 2020
Start date
May 18, 2020
Primary completion
Jun 8, 2020
Completion
Jul 1, 2020
Results posted
May 3, 2021
Last update
Jun 11, 2021

Study contacts

Amir Goren, PhD
principal investigator · Geisinger Clinic

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in May 2021. You cannot join it, but the record below documents what was studied.

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