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Published on: July 27, 2022
Bidirectional Associations Between Psychological States and Physical Activity in Adolescents: A mHealth Pilot Study
Christopher C Cushing1, Tarrah B Mitchell1, Carolina M Bejarano1
1Clinical Child Psychology Program, University of Kansas, Sunnyside Ave, Lawrence, USA.
Objective:
To understand the predictors and consequences of adolescent moderate-to-vigorous physical activity (MVPA) and sedentary behavior in nearly real-time.
Methods:
Participants were 26 adolescents ( M age = 15.96, SD = 1.56) who provided 80 self-reports of subjective states and continuous objective reports of MVPA and sedentary behavior over 20 days.
Results:
Random effects were observed for all of the models with affect and feeling variables predicting MVPA. There was a negative fixed effect for within-person positive affect and sedentary behavior and the inverse association for negative affect. Within-person MVPA was a significant positive predictor of positive affect and energy. There was a random effect for within-person MVPA and fatigue. There was a significant random effect for within-person sedentary behavior predicting positive affect. Within-person sedentary behavior was a significant negative predictor of energy.
Conclusions:
Findings highlight the importance of the intrapersonal nature of the associations among subjective states and physical activity.
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