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Published on: January 22, 2018
Brief Intervention to Promote Physical Activity and Mental Well-Being in Community Adults: A Pilot Cluster Randomized
Yuying Sun1,2, Sai Yin Ho1, Christian S Chan1
1The University of Hong Kong, Hong Kong SAR, China.
Objectives:
We aimed to evaluate the feasibility and effectiveness of a brief community-based intervention to promote physical activity (PA) and the mental well-being of adults in Hong Kong.
Methods:
A pilot cluster randomized controlled trial was conducted in 15 family service centers. The intervention group (N = 162, 8 centers) received two 2-h interventions uniquely combining "Sharing, Mind and Enjoyment (SME)," Zero-time Exercises (ZTEx), positive psychology, and simple family games. "Sharing" involved promoting PA among families and peers, "Mind" captured positive emotions during PA, and "Enjoyment" assessed engagement of PA. ZTEx are simple PAs to reduce sedentary behaviors and enhancing PA and fitness and require minimal time and no cost or equipment. The control group (N = 152, 7 centers) received interventions unrelated to SME. Primary outcomes were PA-related SME at a 3-month follow-up after completing the baseline questionnaire. Secondary outcomes included subjective happiness, well-being, and family-related outcomes. Participants reported self-perceived changes at 1- and 3-month. Nine focus group discussions with the participants and 4 individual in-depth interviews with community service providers were conducted.
Results:
The retention rate at1 month was 90.1% for the intervention group and 95.4% for the control group, while at 3 months, it was 83.3% and 92.8%, respectively. The intervention group showed significantly greater positive changes in PA-related outcomes than the control group at 3-month follow-up (Cohen's d = 0.33-0.42, all P < .05). Most secondary outcomes were non-significantly different between the 2 groups. However, more than 90% of participants in the intervention group reported self-perceived positive changes at 1- and 3-month follow-ups. The qualitative data showed that ZTEx was popular with families due to its simplicity.
Conclusions:
Our trial showed the feasibility of implementing the brief interventions and the potential benefits for promoting physical activity in community adults.
Clinicaltrials.Gov Identifier:
NCT03332810 (date of registration: November 6, 2017).
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