Silva, Cátia, Fassnacht, Daniel B., Ali, Kathina, Gonçalves, Sónia, Conceicao, Eva, Vaz, Ana, Crosby, Ross D., and Machado, Paulo P.P. (2015) Promoting health behaviour in Portuguese children via Short Message Service: the efficacy of a text-messaging programme. Journal of Health Psychology, 20 (6). pp. 806-815.

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Abstract

A Short Message Service programme was adapted to monitor three health behaviours and provide supportive feedback. The study aimed to evaluate the effectiveness of the programme to increase fruit/vegetable consumption and physical activity and to decrease screen time. A total of 139 Portuguese children, aged 8-10years, grouped by classroom, were randomly assigned to an intervention (8weeks of monitoring/feedback) or a control condition. Participants had their key behaviours assessed at baseline, post-intervention and follow-up. A three-level hierarchical linear model was developed. Results showed that the monitoring and feedback programme significantly increased fruit and vegetable consumption over time.

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