Dietary habits after a physical activity mHealth intervention: a randomized controlled trial

BMC Nutrition

Research

Christina Alexandrou¹  Stephanie Erika Bonn¹  Helén Eke²  Anna Dahlgren²  Ylva Trolle Lagerros²  Linnea Sjöblom² 

[1] Division of Clinical Epidemiology, Department of Medicine (Solna), Karolinska Institutet, Stockholm, Sweden;Division of Clinical Epidemiology, Department of Medicine (Solna), Karolinska Institutet, Stockholm, Sweden;Center for Obesity, Academic Specialist Center, Stockholm Health Services, Stockholm, Sweden;

关键词: Adults;    Diabetes mellitus;    Type 2;    Exercise;    Diet;    Smartphone;   

DOI  :  10.1186/s40795-023-00682-4

 received in 2022-06-08, accepted in 2023-01-24,  发布年份 2023

来源: Springer

【 摘 要 】

BackgroundA healthy diet and a sufficient amount of physical activity are important factors to reduce complications of type 2 diabetes. Diet and physical activity are associated behaviours. Individuals who are physically active have also been shown to have healthier eating habits than sedentary individuals. We aimed to evaluate the indirect effect of a smartphone-based physical activity intervention on dietary habits in patients with type 2 diabetes.MethodsWe performed analyses of secondary outcomes in a randomized controlled trial. The active intervention was use of a smartphone application to promote physical activity during 12 weeks. Dietary intake was assessed at baseline and after three months using a validated semi-quantitative food frequency questionnaire comprising 94 items. We analysed changes in the intake of fruit and vegetables, snacks, fibre, whole grains, vitamin C, saturated fat, unsaturated fat and total energy. We also assessed overall dietary habits using a dietary index developed by the Swedish National Board of Health and Welfare. Results were compared between the intervention and control group, as well as stratified by sex within the study groups. Paired t-tests and analysis of covariance were performed.ResultsA total of 181 patients were recruited to the DiaCert-study, whereof 146 patients had complete dietary data and were included in the analyses. Women in the intervention group had a higher fruit and vegetable intake (p = 0.008) and a higher dietary index (p = 0.007), at three-months compared to women in the control group. They had increased their daily intake of fruit and vegetables by on average 87.4 g/day (p = 0.04) and improved their dietary index by on average 0.8 points (p = 0.01) from baseline to follow-up. No effect was found in men.ConclusionsWomen, but not men, receiving a smartphone-based physical activity intervention improved their total intake of fruit and vegetables. The transfer effect, i.e. an intervention aimed at promoting one health behavior that facilitates changes in other health behaviors, may differ between the sexes.Trial registrationClinicalTrials.gov Identifier: NCT03053336; 15/02/2017.

【 授权许可】

CC BY   
© The Author(s) 2023

【 图 表 】

Fig. 1