Predictors of physical activity behavior change based on the current stage of change—an analysis of young people from Hawai’i

Engels, Eliane S.; Nigg, Claudio R.; Reimers, Anne K. (2022). Predictors of physical activity behavior change based on the current stage of change—an analysis of young people from Hawai’i. Journal of behavioral medicine, 45(1), pp. 38-49. Springer 10.1007/s10865-021-00255-5

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This study investigated the corresponding change between psycho-social predictors and physical activity (PA) behavior and if these relationships were dependent on the stages of change from the Transtheoretical Model in Minority American adolescents. We conducted a longitudinal field study with N = 357 students aged 13–18 years (M = 14.24 years, SD = 0.88); predominantly Filipino (61.2%) using a test–retest design assessing psycho-social PA predictors (enjoyment, self-efficacy, family support, friends’ support, knowledge, stage of change) and moderate-to-vigorous physical activity (MVPA) at two time points over six months. Hierarchical regression results indicated that a positive change of enjoyment, knowledge about PA and family support predicted a change of MVPA, independently of stage. The time-varying covariation showed the importance of the current stage of change for enjoyment, self-efficacy and support of friends for a change of MVPA. Overall, our findings suggest that an individual’s current stage of change should be considered to determine individually appropriate starting points and goals for designing interventions to promote PA among Minority American adolescents.

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