[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100620464":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":31,"centralContacts":38,"locations":26,"responsibleParty":45,"collaborators":26,"id":48,"slug":49,"hasResults":50,"nctId":51,"briefTitle":52,"officialTitle":52,"acronym":26,"eligibilityCriteria":53,"healthyVolunteers":50,"sex":54,"minAge":55,"maxAge":26,"enrollmentInfo":56,"targetDuration":26,"studyType":59,"phases":60,"briefSummary":62,"conditions":63,"keywords":65,"overallStatus":68,"whyStopped":26,"lastUpdateSubmitDate":69,"lastUpdatePostDateStruct":70,"startDateStruct":73,"completionDateStruct":75,"leadSponsor":77,"locationsCount":26},{"fullName":5,"class":6},"Chinese University of Hong Kong","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Intervention group","EXPERIMENTAL","In addition to the usual care, which is the same as the control group, participants allocated to the intervention group will receive a 12-week theory-driven behavioural change intervention. The intervention is structured into eight individual sessions, including four face-to-face sessions (45 minutes each) and four telephone sessions (20 minutes each).",[13],"Behavioral: A theory-driven behavioural change intervention",{"label":15,"type":16,"description":17,"interventionNames":18},"Attention controlled Group","ACTIVE_COMPARATOR","Participants in the control group will continue to have the usual care and education sessions, consisting of information about healthy lifestyles, except physical activity and sedentary behaviour.",[19],"Behavioral: Attentive control group",[21,27],{"type":22,"name":23,"description":24,"armGroupLabels":25,"otherNames":26},"BEHAVIORAL","A theory-driven behavioural change intervention","A theory-driven behavioural change intervention is validated by an expert panel including professionals from various fields, such as nurse consultants, a specialty nurse in cardiology, an experienced registered nurse from a cardiac rehabilitation center in a regional hospital, a physiotherapist, and academia, focusing on strengthening intention to change (connected beliefs and temporal valuations), behavioral prepotency, and enhancing the self-regulatory capacity, as guided by the Temporal Self-Regulation Theory, and supplemented with a intervention booklet. The intervention is developed and facilitated by a registered nurse (principal investigator).",[9],null,{"type":22,"name":28,"description":29,"armGroupLabels":30,"otherNames":26},"Attentive control group","Participants in the attention control group will participate in education sessions consisting of information about healthy lifestyles, except physical activity and sedentary behaviour. Activities match the time and attention dedicated by the intervention group. Activities are designed to have no impact on sedentary behaviour and physical activity.",[15],[32,35],{"name":33,"affiliation":5,"role":34},"Elaine Yi Ning Miu, MSc","PRINCIPAL_INVESTIGATOR",{"name":36,"affiliation":5,"role":37},"Ho Yu Cheng, PhD","STUDY_DIRECTOR",[39,43],{"name":33,"role":40,"phone":41,"phoneExt":26,"email":42},"CONTACT","852-39430516","elainemiu@link.cuhk.edu.hk",{"name":36,"role":40,"phone":44,"phoneExt":26,"email":42},"852-39436230",{"type":34,"investigatorFullName":46,"investigatorTitle":47,"investigatorAffiliation":5,"oldNameTitle":26,"oldOrganization":26},"Elaine Yi Ning Miu","PhD Candidate, Registered Nurse","100620464","the-effectiveness-of-a-theory-driven-behavioral-change-intervention-on-sedentary-behavior-in-individuals-with-coronary-heart-disease-a-randomised-controlled-trial-100620464",false,"NCT07357961","The Effectiveness of a Theory-driven Behavioral Change Intervention on Sedentary Behavior in Individuals With Coronary Heart Disease: A Randomised Controlled Trial","Inclusion Criteria:\n\n1. Adult 18 years old and above\n2. Diagnosed with coronary heart disease within one year\n3. 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\n4. Able to communicate in Cantonese\n5. Obtained medical clearance for physical activity (no medical contraindications to exercise, including walking)\n6. Being able to understand and give informed consent\n7. Having telephone access, text messaging services or WhatsApp\n\nExclusion Criteria:\n\n1. Cannot perform brisk walking exercise\n2. Unable to perform PA independently\n3. Cognitive impairments, as indicated by an abbreviated mental test score of less than 7\n4. Currently enrolled in another clinical trial focusing on limiting SB with\u002Fwithout enhancing PA\n5. Doctor-diagnosed psychiatric illness","ALL","18 Years",{"count":57,"type":58},232,"ESTIMATED","INTERVENTIONAL",[61],"NA","The objective of this randomised controlled trial is to examine the effectiveness of a theory-driven behavioural change intervention on total sedentary time (primary outcomes), moderate-to-vigorous physical activity time, intention of behavioural change, future time perception, behavioural prepotency, self-regulation capacity, and exercise capacity in individuals with coronary heart disease.\n\nHypotheses:\n\nCompared to the participants in the control group, participants in the intervention group will demonstrate:\n\n1. Significantly less total sedentary time\n2. Significantly improved MVPA time,\n3. Significantly better intention of behavioural change,\n4. Significantly higher level of behavioural prepotency,\n5. Significantly enhanced self-regulation capacity, and\n6. Significantly greater future time perception\n7. Significantly better exercise capacity at the immediate post-intervention (T1), the 1-month post-intervention (T2), and the 6-month post-intervention (T3).\n\nParticipants will:\n\nParticipants in the intervention group will participate in a theory-driven behavioural change intervention over three months, comprising four individual face-to-face sessions (45 minutes each) and four individual telephone sessions (20 minutes each), along with the usual care.\n\nParticipants in the attention control group will continue to have the usual care, which includes regular follow-up at the cardiac clinic. Education sessions, consisting of information about healthy lifestyles, except physical activity and sedentary behaviour, with the same schedule as the intervention group, will be provided to account for potential attention effects from contacts.",[64],"Coronary Heart Disease (CHD)",[66,67],"sedentary behaviour","movement behaviours","NOT_YET_RECRUITING","2026-04-20",{"date":71,"type":72},"2026-04-23","ACTUAL",{"date":74,"type":58},"2026-04-13",{"date":76,"type":58},"2026-10-31",{"name":5,"class":6}]