Trajectories of Adherence to Study-Prescribed Physical Activity Goals in a mHealth Weight Loss Intervention.

ABSTRACT: Introduction: Engaging in ≥300 min/week of moderate-to-vigorous physical activity (MVPA) is recommended for weight management. This study identified MVPA goal-adherence trajectories and associated predictors and weight outcomes in a 12-month mHealth weight-loss trial. Materials and Methods: This was a secondary analysis of valid PA data (≥4 days/week with ≥500 steps/day) from participants (age ≥ 18 years, BMI 27-43 kg/m²) randomized 1:1 to self-monitoring with tailored feedback or self-monitoring only. Both groups received Fitbit trackers. Group-based trajectory modeling identified adherence trajectories and baseline predictors. Analysis of variance was used to estimate associations between trajectory group membership and 12-month weight change. Results: Amo

SUBMITTER: Bizhanova Z 

PROVIDER: S-EPMC12736852 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature