Prevention of recurrent myocardial infarction or coronary revascularisation in patients with coronary heart disease Circulatory System
Conditions
Interventions
Participants will be recruited from the Prince of Wales Hospital in Hong Kong. Potential participants will be assessed and invited to participate in this study by the principal investigator. After the
Sponsors
Chinese University of Hong Kong
Eligibility
Sex/Gender
All
Age
18 Years to 100 Years
Inclusion criteria
Inclusion criteria: 1. Adult 18 years old and above 2. Diagnosed with coronary heart disease within one year 3. Engaged in MVPA less than 150 minutes per week and a minimum of 8 hours total sedentary time per day, both assessed using the Global Physical Activity Questionnaire 4. Able to communicate in Cantonese 5. Obtained medical clearance for physical activity (no medical contraindications to exercise, including walking) 6. Being able to understand and give informed consent 7. Having telephone access, text messaging services or WhatsApp
Exclusion criteria
Exclusion criteria: 1. Cannot perform brisk walking exercise 2. Unable to perform PA independently 3. Cognitive impairments, as indicated by an abbreviated mental test score of less than 7 4. Currently enrolled in another clinical trial focusing on limiting SB with/without enhancing PA 5. Doctor-diagnosed psychiatric illness
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Total sedentary time (per day) will be measured using the ActiGraph accelerometer (ActiGraph, Pensacola, FL), wGT3X-BT (during participants’ waking time over 7 consecutive days, including both weekdays and weekends), at T0 (on enrollment), T1 (immediately after a 3-month intervention), T2 (one month after intervention), and T3 (6 months after intervention). | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Moderate-to-vigorous physical activity time (per week) will be measured using the ActiGraph accelerometer (ActiGraph, Pensacola, FL), wGT3X-BT (during participants’ waking time over seven consecutive days, including both weekdays and weekends), at T0 (on enrollment), T1 (immediately after a 3-month intervention), T2 (one month after intervention), and T3 (6 months after intervention). 2. Self-regulation capacity will be measured using the Chinese version of the Brief Self-Control Scale (BSCS) at T0 (on enrollment), T1 (immediately after a 3-month intervention), T2 (one month after intervention), and T3 (6 months after intervention). 3. Behavioural prepotency (on both MVPA and SB) will be measured using the Chinese version of the Self-Reported Behavioural Automaticity Index (SRBAI) at T0 (on enrollment), T1 (immediately after a 3-month intervention), T2 (1 month after intervention), and T3 (six months after intervention). 4. Future time perception will be measured using the Chinese version of the Consideration of Future Consequences Scale (CFCS-14) at T0 (on enrollment), T1 (immediately after a 3-month intervention), T2 (1 month after intervention), and T3 (6 months after intervention). 5. Intention of behavioural change will be measured using three questions, including (1) I intend to ...; (2) I plan to ...; and (3) It is likely that I will ... Specifically, questions such as "I intend to do at least 150 minutes of MVPA in the coming week" and "I intend to engage in less than 8 hours of total sedentary time per day in the coming week" will be asked, and participants will respond on a 7-point Likert scale ranging from "strongly disagree" to "strongly agree." The sum average will be calculated. Higher scores represent higher intention. This outcome will be measured at T0 (on enrollment), T1 (immediately after a 3-month intervention), T2 (1 month after intervention), and T3 (6 months after intervention). For the pilot RCT, in addition to the outcomes above, the fol | — |
Countries
Hong Kong
Contacts
Public ContactHo Yu Cheng
Outcome results
None listed