Individual, dyadic, collaborative planning, physical activity, and nutrition: A randomized controlled trial in parent–child dyads.
Individual, dyadic, collaborative planning, physical activity, and nutrition: A randomized controlled trial in parent–child dyads.
StatusPre-print
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Authors
Kuliś-Stefańczyk, Ewa
Szczuka, Zofia
Banik, Anna
Siwa, Maria
Boberska, Monika
Wietrzykowska, Dominika
Zaleśkiewicz, Hanna
Rhodes, Ryan E.
Radtke, Theda
Schenkel, Konstantin
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Date
2025
Publisher
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Health Psychology
Issue
2
Volume
44
Pages
Pages
140–153
ISSN
0278-6133
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Access date
2025-01-23
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Abstract EN
Objective: This study was designed to investigate the effects of individual, dyadic, and collaborative planning on moderate-to-vigorous physical activity (MVPA; primary outcome) and energy-dense food intake (secondary outcome) in dyads of parents and their 9–15-year-old children. Individual planning reflects an “I-for-me” planning of one person’s behavior. Collaborative (“we-for-us”) planning refers to joint planning of both dyad members’ behavior, whereas dyadic (“we-for-me”) planning involves joint planning of only the target person’s behavior. Method: N = 247 dyads participated in a randomized controlled trial with individual, dyadic, or collaborative physical activity (PA) planning and control conditions (education about PA, sedentary behavior, nutrition, energy intake–expenditure balance). MVPA was measured with ActiGraph wGT3X-BT accelerometers at baseline, 1-week, and 36-week follow-ups. Energy-dense food intake was self-reported at baseline, 9-week, and 36-week follow-ups. Linear mixed models were fit for parents and children separately. Results: At the 36-week follow-up, children in the dyadic “we-for-me” planning condition decreased their MVPA compared to the control condition. At the same time, children in the dyadic planning condition also decreased energy-dense food intake at the 36-week follow-up. No effects were found among children in individual and collaborative PA planning conditions. Parents in any experimental conditions decreased energy-dense food intake. Conclusions: Children’s decrease in MVPA in dyadic PA planning condition was offset by a reduction of energy intake, which may represent a compensatory mechanism. The limited effectiveness of the dyadic “we-for-me” interventions in parent–child dyads may result from young people’s needs for individuation and their reactance to parental support.
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FNP Young Scientist Program
FNP Young Scientist Program
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