This study examined the association between dietary habits and behavioural problems at school among adolescents in Norway. Participants in this study included 517 adolescents and 336 of their parents. Students attended schools in the south of Norway, where the study was conducted. In 2012, adolescents completed a food frequency questionnaire (FFQ)…

This article presents several longitudinal mediation models in the framework of latent growth curve modeling and provides a detailed account of how such models can be constructed. Logical and statistical challenges that might arise when such analyses are conducted are also discussed. Specifically, we discuss how the initial status (intercept) and…

This study examines gender differences in the development of dieting among a representative sample of 1,368 Norwegian boys and girls. The respondents were followed over 3 time points from ages 13/14 to 20/21. Latent growth curve analyses were conducted showing that girls' dieting scores increased while boys' scores remained constant. Gender…