Sedentary Behavior Intervention for Older Adults With Coronary Heart Disease and Frailty

Condition(s) studied

Investigational drug(s) / intervention(s)

ITHBC-Based Sedentary Behavior Intervention: The intervention is a 1-month nurse-delivered sedentary behavior intervention based on the Integrated Theory of Health Behavior Change (ITHBC). It addresses three core components of ITHBC: knowledge and beliefs, self-regulation skills and abilities, and social facilitation. Intervention strategies include health education related to sedentary behavior and coronary heart disease, individualized goal setting, self-monitoring, action planning, feedback, and professional and family/social support to facilitate reduction of sedentary behavior and promote physical activity. After the 1-month intervention period, participants will receive a 2-month follow-up to support maintenance of behavior change.

Study summary

This study aims to evaluate the feasibility and effectiveness of a sedentary behavior intervention based on the Integrated Theory of Health Behavior Change (ITHBC) in older adults with coronary heart disease and frailty. Participants will be randomly assigned to an intervention group or a control group. The intervention is designed around the three core components of ITHBC-knowledge and beliefs, self-regulation skills and abilities, and social facilitation-to help participants reduce sedentary behavior, improve physical activity, and enhance their ability to manage health-related behaviors. The study will include a 1-month intervention period followed by a 2-month follow-up period, with a total study duration of 3 months for each participant. Changes in sedentary behavior and other health-related outcomes will be assessed throughout the study period.

Eligibility

Primary outcome measure(s)

• Change in Average Daily Sedentary Time — Baseline, Day 8, Month 1, and Month 3
  Average daily sedentary time will be assessed using the Older Adults Sedentary Behavior Questionnaire. The questionnaire assesses sedentary behavior during the previous 7 days across seven common sedentary domains, including watching television or videos, using a mobile phone or listening to music or radio, reading, socializing with family or friends, engaging in sedentary hobbies, resting or napping, and other sedentary activities. Time spent in each domain is reported in 15-minute increments from 0 minutes to 6 hours. Daily total sedentary time will be derived from the reported sedentary time across the seven domains and expressed as time spent sedentary per day. Lower values indicate less sedentary time.

Trial sites (1)

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