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The purpose of this study is to provide lifestyle counselling for protective health behavior (exercise, diet, smoking cessation) to small groups (6-8 subjects) via teleconference. The sample includes individuals at elevated risk for cardiovascular disease (CVD) as well as individuals with established CVD. Our hypothesis is that telephone-based lifestyle counselling will (1) significantly increase protective lifestyle behavior (diet, exercise, smoke-free living) and (2) significantly reduce CVD risk factors at 6-month follow-up.
Full description
COHRT was a 2 parallel-group randomized controlled trial that was designed to assess the efficacy of a community outreach strategy for cardiovascular disease (CVD) risk reduction among individuals at elevated risk for CV events. Randomization was stratified for diagnosis of CHD, type 1 or 2 diabetes, sex, and clinical depression, and blocked within our northern, rural, and urban recruitment sites. A 2X3 mixed factorial design was utilized: 2 Groups (Usual Care, UC/Lifestyle Counselling,LC) X 3 Intervals (Baseline, post-treatment, 6-month follow-up). All subjects received personal CVD risk factor feedback and standardized handouts on heart healthy lifestyle change. The LC group received 6 weekly 1-hour sessions of lifestyle counseling that was provided via teleconference in small groups (4-8 persons). Group facilitators were trained in a manualized protocol of motivational interviewing that was designed for CVD risk reduction through lifestyle change. Weekly supervision was also provided. We hypothesized that the LC group (vs. UC) would significantly increase protective health behavior (exercise, diet, smoke-free living) at post-treatment and 6-month follow-up. The secondary hypothesis was that LC would significantly reduce (1) CVD risk factors, (SBP, DBP, total cholesterol, LDL cholesterol), (2) 10-year absolute risk among subjects without CVD, and (3) significantly increase quality of life as measured by symptoms of depression, psychological stress, and social support.
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Inclusion criteria
35 to 74 years of age,
Diagnosis of CVD or Type 1 or 2 diabetes, or
≥2 of the following CVD risk factors:
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Data sourced from clinicaltrials.gov
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