Mediated effects of LIFE4YOUth—a mobile health intervention for multiple lifestyle behavior change among high school students in Sweden: findings from a randomized controlled trial

BMC Public Health, Journal Year: 2025, Volume and Issue: 25(1)

Published: March 7, 2025

Digital interventions have been shown to improve adolescents' health behaviors. However, little is known about the mechanisms of change related multiple risk behaviors in this population. This study aimed estimate natural direct and indirect effects a digital intervention for behavior high school students. was secondary analysis mediated based on data from randomized controlled trial among students Sweden. Participants were classified as being at with respect having least one lack physical activity, unhealthy diet, alcohol consumption, or smoking. The comprised weekly monitoring feedback together content strategies change. comparator referral national website where information available. Primary outcomes self-reported smoking 4 months post-randomization. Based counterfactual framework, three potential mediating factors assessed: importance, knowledge how (know-how), confidence. Between September 2020 June 2023, 756 recruited. estimated effect moderate-to-vigorous activity via 5.2 min (95% CoI = -8.6; 19.9) while 76.3 19.4; 134.2). For fruit vegetable 0.04 daily portions -0.01; 0.1), 0.19 -0.08; 0.45). No marked observed concerning alcohol- sugary-drinks-intake, increased intake could only small extent be explained by confidence know-how. To further understand change, future studies should explore other mediators evaluate different best assess incorporate psychosocial lifestyle adolescents. Prospective registration ISRCTN database 20 May (ISRCTN34468623).

Language: Английский

The Peer Effects of Residents’ Carbon Emission Behavior: An Empirical Analysis in China

Sustainability, Journal Year: 2024, Volume and Issue: 16(21), P. 9300 - 9300

Published: Oct. 25, 2024

The responsible low-carbon behavior of household residents is a crucial factor for the purpose achieving carbon neutrality in economy and society. Based on peer effects theory, this study constructs fixed-effects model to empirically analyze existence, heterogeneity, action mechanism emission behavior, which uses panel data from China Household Finance Survey (CHFS). results indicate that have significantly positive impact residents’ are verified by robustness test various ways. Further tests show influence through methods including learning imitation competitive mechanism. In addition, we find different impacts varying regions, income levels, education ages groups. This aims embed into strong relationship between surrounding groups, raise consumers awareness publicity, guidance, group interaction, form atmosphere whole society, contribute realization Sustainable Development Goals.

Language: Английский