Relationships of motivation, self-efficacy and social support with healthy eating behaviours among adolescents.

ABSTRACT:

Purpose

Psychosocial factors contributing to the continued failure of adolescents to follow the US Dietary Guidelines for Americans (2020-2025) remain poorly understood. This study investigated the relationships of adolescents' autonomous motivation, self-efficacy and social support with the healthy eating index (HEI) total (primary outcome), whole fruit, total fruit, vegetable, sodium, added sugar and caloric intake (secondary outcomes).

Methods

A secondary analysis of baseline data from a randomised controlled trial was conducted. A total of 935 5th-8th graders, aged 10-14 years, were enrolled. Generalised linear models and structural equation models examined relationships of motivation, social support and self-efficacy for healthy eating with healthy eating behavio

SUBMITTER: Fraczek N 

PROVIDER: S-EPMC12772603 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature