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Objectives: To assess the correlates of parental classification of adolescent weight status. Methods: Measured adolescent weight status was compared to parent self-report perception data (n=374 dyads) using multivariate analyses with interactions to identify characteristics associated with inaccurate parent classification of adolescent weight status. Results: Adolescent weight status was underestimated by 31% of parents. College-educated parents were more likely to underestimate the weight of their male adolescents (OR=1.95) and overweight adolescents (OR=4.0). Non-college-educated parents were 8.92 times as likely to misclassify overweight adolescents, regardless of the sex of the child. Conclusions: Parental perception may play a role in supporting adolescent's healthy weight-related behaviors. [ABSTRACT FROM AUTHOR]

Objectives: To build upon state-of- the-art theory and empirical data to estimate the strength of multiple mediators of the efficacious Keep Active Minnesota (KAM) physical activity (PA) maintenance intervention. Methods: The total, direct, and indirect effects through which KAM helped randomized participants (KAM n=523; UC n=526) maintain moderate or vigorous PA (MVPA) for up to 2 years were estimated using structural equation modeling. Results: Multiple mediators explained half (β=.052, P=.13) of the effect of KAM on MVPA (β=.105, P=.004). Self-efficacy was the upstream variable in 2 endogenously mediated effects, and the self-concept mediator emerged as the strongest predictor of MVPA. Conclusions: KAM positively impacted self-efficacy, which was associated with PA enjoyment, integration into the self-concept, and PA maintenance. Successful long-term PA maintenance appears to be influenced by multiple small interrelated mediational pathways. Future research evaluating maintenance models should specify recursive relationships among mediators and outcomes. [ABSTRACT FROM AUTHOR]

The article reviews an investigation published in a 2015 issue of the "American Journal of Health Behavior" that examined whether regulatory focus and proximity to weight moderated the effectiveness of a weight-loss maintenance intervention. Topics include the finding that maintenance of weight loss may be enhanced by tailoring treatments to regulatory focus and goal weight. Also mentioned is regulatory focus theory proposing two self-regulatory orientations of promotion and prevention foci.

Objectives: To compare between ac­celerometry (MVPA-A) and self-reported activity (MVPA-SR) in activity-maintenance (Keep Active Minnesota; KAM) and weight loss-maintenance (Keep It Off; KIO) trials. Methods: Linear regression estimated moderation of study, treatment, or time on MVPA-A and MV­PA-SR associations. Results: MVPA-A was similar between studies (KAM 119 minutes, KIO 112 minutes, p = .555), whereas MVPA-SR differed significantly (KAM 350 minutes, KIO 87 minutes, p < .0001). Only study moderated correlation between MVPA-A and MVPA-SR. MV­PA-SR better predicted MVPA-A in KIO relative to KAM (p = .023). Conclusions: Results suggest that self-presentation bias may influence validity of self-report in intervention studies with activity as a primary outcome. Researchers should select self-report to assess activity dimensions that objective measures capture poorly. [ABSTRACT FROM AUTHOR]