Article ; Online: The effect of social media interventions on physical activity and dietary behaviours in young people and adults: a systematic review.
The international journal of behavioral nutrition and physical activity
2021 Volume 18, Issue 1, Page(s) 72
Abstract: Background: The objectives of this systematic review were to update the evidence base on social media interventions for physical activity and diet since 2014, analyse the characteristics of interventions that resulted in changes to physical activity and ...
| Abstract | Background: The objectives of this systematic review were to update the evidence base on social media interventions for physical activity and diet since 2014, analyse the characteristics of interventions that resulted in changes to physical activity and diet-related behaviours, and assess differences in outcomes across different population groups. Methods: A systematic search of the literature was conducted across 5 databases (Medline, Embase, EBSCO Education, Wiley and Scopus) using key words related to social media, physical activity, diet, and age. The inclusion criteria were: participants age 13+ years in the general population; an intervention that used commercial social media platform(s); outcomes related to changes to diet/eating or physical activity behaviours; and quantitative, qualitative and mixed methods studies. Quality appraisal tools that aligned with the study designs were used. A mixed methods approach was used to analyse and synthesise all evidence. Results: Eighteen studies were included: randomised control trials (n = 4), non-controlled trials (n = 3), mixed methods studies (n = 3), non-randomised controlled trials (n = 5) and cross-sectional studies (n = 3). The target population of most studies was young female adults (aged 18-35) attending college/university. The interventions reported on positive changes to physical activity and diet-related behaviours through increases in physical activity levels and modifications to food intake, body composition and/or body weight. The use of Facebook, Facebook groups and the accessibility of information and interaction were the main characteristics of social media interventions. Studies also reported on Instagram, Reddit, WeChat and Twitter and the use of photo sharing and editing, groups and sub-groups and gamification. Conclusions: Social media interventions can positively change physical activity and diet-related behaviours, via increases in physical activity levels, healthy modifications to food intake, and beneficial changes to body composition or body weight. New evidence is provided on the contemporary uses of social media (e.g. gamification, multi-model application, image sharing/editing, group chats) that can be used by policy makers, professionals, organisations and/or researchers to inform the design of future social media interventions. This study had some limitations that mainly relate to variation in study design, over-reliance of self-reported measures and sample characteristics, that prevented comparative analysis. Registration number: PROPSERO; CRD42020210806 . |
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| MeSH term(s) | Adolescent ; Adult ; Diet/statistics & numerical data ; Exercise ; Female ; Humans ; Male ; Social Media ; Young Adult |
| Language | English |
| Publishing date | 2021-06-05 |
| Publishing country | England |
| Document type | Journal Article ; Systematic Review |
| ZDB-ID | 2134691-4 |
| ISSN | 1479-5868 ; 1479-5868 |
| ISSN (online) | 1479-5868 |
| ISSN | 1479-5868 |
| DOI | 10.1186/s12966-021-01138-3 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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