Abstract
During the past decade, lifestyle health coaching (LHC) has gained increased popularity as a strategy to facilitate behavior change. Few data are available on the effect of LHC on multiple cardiovascular disease (CVD) risk factors. PURPOSE: In this multi-center study, we evaluated the effect of LHC on multiple CVD risk factors in 9,134 consecutive adults and compared the effect of a phase 2 cardiac rehabilitation (CR) program in 11,875 consecutive patients. METHODS: Outcome measures were assessed at baseline and after approximately 12 weeks of LHC and CR. LHC included individualized coaching, predominantly via the telephone and Internet, on exercise training, nutrition, weight management, stress management and tobacco cessation interventions. CR was conducted at multiple centers in the United States. RESULTS: At baseline, CR patients were significantly (p<0.05) older (69 ± 11 years vs. 51 ± 12 years), and had a higher prevalence of atherosclerotic CVD (95.3% vs. 10.6%) and diabetes (23.7% vs. 9.1%) than those participating in LHC. For participants with abnormal baseline risk factors, statistically significant improvements (p <0.05) were observed for multiple variables, as follows: blood pressure (LHC, -9/7 mmHg; CR, -10/10 mmHg; p <0.05 for CR versus LHC); LDL cholesterol (LHC, -22 mg/dl; CR, -50 mg/dl; p <0.05 for CR versus LHC); HDL cholesterol (LHC, 3 mg/dl; CR, 5 mg/dl; p <0.05 for CR versus LHC); triglycerides (LHC, -46 mg/dl; CR, -52 mg/dl; p=NS for CR versus LHC); fasting glucose (LHC, -13 mg/dl; CR, -15 mg/dl; p=NS for CR versus LHC); and body weight (LHC, -5.8 lbs; CR, -2.5 lbs; p <0.05 for LHC versus CR). In participants in the LHC program with a baseline Framingham 10-year coronary heart disease risk score >10%, the score decreased by 20.5% (relative risk reduction, p <0.05). CONCLUSIONS: These data serve to document the magnitude of improvement in multiple CVD risk factors in response to participation in approximately 12 weeks of LHC. The data demonstrate that LHC results in clinically relevant improvements in multiple CVD risk factors and that the precise magnitude of improvement may be similar to, less than or greater than that observed with CR depending on the specific risk factor in question.
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