Associations Between Parent and Adolescent Weight Outcomes Within Two Parent Approaches to Family-based Adolescent Obesity Treatment: Secondary Analyses from the TEENS+ Pilot Trial
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Objective: To examine associations between parent and adolescent weight change within two parent approaches to adolescent obesity treatment.
Methods: Adolescent (M = 13.7 ± 1.2 years; M = 34.9 ± 7.0 kg/m) and parent (M = 36.4 ± 7.3 kg/m) dyads (N = 82) were randomized to TEENS+Parents as Coaches (PAC) or TEENS+parent weight loss (PWL). Anthropometrics were assessed at baseline (0-month), 4 months (post) and 7 months (after 3-month maintenance period). Regression analyses examined associations between parent and adolescent ΔBMI and ΔBMI, with parent group as a moderator.
Results: Post-treatment, parent and adolescent ∆BMI were positively related (β = 0.68, p < 0.001), with no group interaction. Parent and adolescent ΔBMI were related (β = 0.48, p = 0.012) during maintenance, moderated by parent group (β = -0.49, p = 0.010): positive relationships persisted in PAC (β = 0.39, p = 0.011), but not PWL (β = -0.19, p = 0.211).
Discussion: Parent and adolescent weight changes were positively related during treatment in both parent groups. During maintenance, weight change associations persisted only in PAC. These patterns prompt further exploration of parent factors driving weight change relationships.
Tatum K, Garr K, Adams E, Caccavale L, Wickham 3rd E, LaRose J Pediatr Obes. 2025; 20(3):e13198.
PMID: 39776327 PMC: 11803182. DOI: 10.1111/ijpo.13198.