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Abstract

Fun For Wellness (FFW) is an online behavioral intervention developed to promote well-being by enhancing the self-efficacy of participants. The objective of this study was to evaluate the effectiveness of FFW to promote health in adults with obesity in the United States in a relatively uncontrolled setting. The study design was a large-scale, prospective, double-blind, parallel group randomized controlled trial. Data collection occurred at three time points: baseline, 30 days, and 60 days after baseline. There was evidence for a positive direct effect of FFW on physical health status ( $\hat{β}$ = 1.33, p = .005, d = 0.24) at 60 days after baseline. In addition, there was evidence of a positive indirect effect of FFW on mental health status at 60 days after baseline through psychological well-being self-efficacy ( $\hat{β}$ = 0.44, [0.05, 0.94]).

Keywords

e-Health m-Health self-efficacy theory well-being health promotion physical well-being self-efficacy psychological well-being self-efficacy mediation physical health status mental health status

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An Exploration of the Effectiveness of the Fun For Wellness Online Intervention to Promote Health in Adults With Obesity: A Randomized Controlled Trial

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