An interventional study of HDDN Mobile Application in Tobacco Abuse Cigarette, sponsored by LÜTFİYE GÖKÇE. Completed at 1 site in Turkey (Türkiye). Open to participants aged 17 Years to 65 Years. Per ClinicalTrials.gov, last updated 2026-02-24.
Sponsored by LÜTFİYE GÖKÇE · Not applicable, Interventional, and Prevention
This clinical trial aims to understand whether a mobile-based anti-smoking nursing intervention can help nursing students change their smoking-related intentions, attitudes, and decision-making. The study focuses on nursing students who currently smoke.
The main questions this study aims to answer are:
Does the mobile-based nursing intervention reduce nursing students' intention to smoke?
Does the intervention change students' attitudes toward smoking?
Does the intervention affect how students weigh the benefits and harms of smoking when making decisions?
Researchers will compare nursing students who receive the mobile-based anti-smoking nursing intervention with students who do not receive this intervention.
Participants will use a mobile application developed by nurses. Through the application, participants will receive structured nursing support related to smoking prevention. Participants will complete questionnaires about their smoking intentions, attitudes, and decision-making at different time points during the study.
This study is a randomized controlled clinical trial designed to evaluate the effect of a mobile-based anti-smoking nursing intervention on smoking intention, attitudes toward smoking, and smoking-related decision-making balance among nursing students.
Eligible participants consist of nursing students who currently smoke. Following baseline assessments, participants are randomly assigned to either the intervention group or the control group to ensure comparability between groups at the start of the study.
Participants in the intervention group receive a mobile-based anti-smoking nursing intervention developed within the framework of the nursing process. The intervention is delivered through a structured mobile application and provides planned nursing support aimed at increasing awareness, supporting behavior change, and strengthening smoking-related decision-making. The intervention content is delivered over a defined period and is designed to promote active engagement.
Participants in the control group do not receive the mobile-based nursing intervention and continue under usual conditions throughout the study period.
Data are collected at baseline and at predefined follow-up time points using validated scales and a structured questionnaire. Smoking intention is assessed using the Smoking Intention Questionnaire, attitudes toward smoking are measured with the Smoking Attitudes Scale, and smoking-related decision-making balance is evaluated using the Smoking Decision Balance Scale. Changes over time are analyzed by comparing outcomes between the intervention and control groups.
This study is conducted as part of a doctoral dissertation.
268 studies on the registry are indexed under Smoking; 136 are open to participants now.
This study's enrollment of 43 is below the median of 120 across 211 interventional studies indexed under Smoking.
Browse Smoking studies →This is the only study on the registry with LÜTFİYE GÖKÇE as lead sponsor.
Counted across the registry records on this site, refreshed daily.
Exclusion Criteria:
Participants receive a mobile-based nursing intervention delivered through the HDDN (Hemşire Destekli Dumansız Nefes) mobile application
Device: HDDN Mobile Application
Participants assigned to the control group did not receive any intervention. They continued their usual activities without access to the mobile application or any additional nursing support. Smoking-related attitudes, intentions, and decision-making balance were assessed at baseline, 22 days after baseline, and one month after the first follow-up using self-report questionnaires administered online
The intervention is a mobile-based nursing intervention designed to prevent smoking and support positive health behavior change among nursing students. It is delivered through a smartphone application compatible with iOS and Android operating systems. The intervention includes structured educational modules, motivational messages, and self-monitoring activities focused on smoking-related intention, attitudes, and decision-making balance. Participants receive reminder notifications twice daily during the intervention period. In addition, the application provides nurse-guided support through a messaging feature that allows participants to ask questions and receive guidance. The content of the intervention is based on established behavior change theories and is standardized to ensure that all participants receive the same intervention
Smoking Intention
Measured using the Smoking Intention Questionnaire (SIQ). The questionnaire consists of 4 items assessing trying, craving, planning, and thinking. Each item is rated on a 5-point Likert scale (1-5). Total scores range from 4 to 20. Higher scores indicate stronger intention to smoke (worse outcome), whereas lower scores indicate weaker intention to smoke (better outcome).
Time frame: Baseline (Pre-test), 22 days after baseline (1st Follow-up), and 1 month after the first follow-up (2nd Follow-up)
Attitudes toward smoking
Measured using the Attitudes Toward Smoking Scale. The scale consists of 45 items rated on a 6-point Likert scale (1-6). Total scores range from 45 to 270. Higher scores indicate more positive attitudes toward smoking (worse outcome), whereas lower scores indicate more negative attitudes toward smoking (better outcome).
Time frame: Baseline (Pre-test), 22 days after baseline (1st Follow-up), and 1 month after the first follow-up (2nd Follow-up).
Smoking decision-making balance
Measured using the Smoking Decisional Balance Scale. The scale consists of 24 items rated on a 5-point Likert scale (1-5), including 11 items assessing perceived benefits of smoking (score range 11-55) and 13 items assessing perceived harms of smoking (score range 13-65). The decisional balance score is calculated by subtracting the perceived harms score from the perceived benefits score. Total scores range from -54 to +42. Positive scores indicate that perceived benefits outweigh harms (worse outcome), whereas negative scores indicate that perceived harms outweigh benefits (better outcome).
Time frame: Baseline (Pre-test), 22 days after baseline (1st Follow-up), and 1 month after the first follow-up (2nd Follow-up).
Smoking Cessation Behavior.
Percentage of participants who reported "I no longer smoke" for at least 7 days during the 14-day mobile application intervention period, tracked via self-control diaries.
Time frame: During the 14-day intervention period.
Plan to share: No — To protect the privacy of the participants and comply with the ethical approval conditions, individual participant data (IPD) will not be made publicly available. Study protocols and statistical analysis plans can be shared upon reasonable request to the corresponding author after the study results are published in a peer-reviewed journal.
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