Cited by 661Social Media in Health EducationMobile Health and mHealth ApplicationsBehavioral Health and Interventions

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The influence of social networking sites on health behavior change: a systematic review and meta-analysis

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Laranjo, Liliana, Arguel, Amaël, Neves, Ana L, Gallagher, Aideen M, Kaplan, Ruth, Mortimer, Nathan, Mendes, Guilherme A, Lau, Annie Y S·2015·Journal of the American Medical Informatics Association

DOI 10.1136/amiajnl-2014-002841PMC PMC4433372

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Abstract

Objective Our aim was to evaluate the use and effectiveness of interventions using social networking sites (SNSs) to change health behaviors. Materials and methods Five databases were scanned using a predefined search strategy. Studies were included if they focused on patients/consumers, involved an SNS intervention, had an outcome related to health behavior change, and were prospective. Studies were screened by independent investigators, and assessed using Cochrane's ‘risk of bias’ tool. Randomized controlled trials were pooled in a meta-analysis. Results The database search retrieved 4656 citations; 12 studies (7411 participants) met the inclusion criteria. Facebook was the most utilized SNS, followed by health-specific SNSs, and Twitter. Eight randomized controlled trials were combined in a meta-analysis. A positive effect of SNS interventions on health behavior outcomes was found (Hedges’ g 0.24; 95% CI 0.04 to 0.43). There was considerable heterogeneity (I2 = 84.0%; T2 = 0.058) and no evidence of publication bias. Discussion To the best of our knowledge, this is the first meta-analysis evaluating the effectiveness of SNS interventions in changing health-related behaviors. Most studies evaluated multi-component interventions, posing problems in isolating the specific effect of the SNS. Health behavior change theories were seldom mentioned in the included articles, but two particularly innovative studies used ‘network alteration’, showing a positive effect. Overall, SNS interventions appeared to be effective in promoting changes in health-related behaviors, and further research regarding the application of these promising tools is warranted. Conclusions Our study showed a positive effect of SNS interventions on health behavior-related outcomes, but there was considerable heterogeneity. Protocol registration The protocol for this systematic review is registered at http://www.crd.york.ac.uk/PROSPERO with the number CRD42013004140.

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Authors: Laranjo, L., Arguel, A., Neves, A. L., Gallagher, A. M., Kaplan, R., Mortimer, N., Mendes, G. A., & Lau, A. Y. S.
Affiliations: Universidade Nova de Lisboa (PT)
UNSW Sydney (AU)
Universidade do Porto (PT)
Royal Hospital for Women (AU)
ACES Estuário do Tejo, Lisbon, Portugal
Corresponding author: Laranjo, Liliana
ORCID: Laranjo, Liliana
Arguel, Amaël
Neves, Ana L
Lau, Annie Y S
Venue: Journal of the American Medical Informatics Association
Publisher: Oxford University Press (OUP)
Published: 2014-07-08
Volume: 22
Issue: 1
Pages: 243-256
ISSN: 1067-5027 (ISSN-L)
1527-974X
DOI: 10.1136/amiajnl-2014-002841
PMC: PMC4433372
OpenAlex: W2128000797
Cited by: 661
References: 74
Citations by year: 2026: 24 · 2025: 55 · 2024: 51 · 2023: 49 · 2022: 60 · 2021: 66 · 2020: 75 · 2019: 58 · 2018: 78 · 2017: 65 · 2016: 48 · 2015: 30 · 2014: 2
FWCI: 7.00
Type: journal article
Language: en
Open access: bronze
doi.org
Locations: Journal of the American Medical Informatics Association (publishedVersion)
Europe PMC (PubMed Central) (publishedVersion)
PubMed Central (publishedVersion)
PubMed (publishedVersion)
HAL (submittedVersion)
Funders: Medical Research Council
National Health and Medical Research Council (1032664)
Topics: Social Sciences › Health › Social Media in Health Education
Health Sciences › Health Professions › General Health Professions › Mobile Health and mHealth Applications
Social Sciences › Psychology › Applied Psychology › Behavioral Health and Interventions
Keywords: social networking sites, health behavior change, Facebook, Twitter, health interventions, multicomponent intervention, health behavior theory, online health promotion
MeSH terms: Health Promotion, Humans, Health Behavior, Consumer Health Information, Social Networking, Social Media

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The influence of social networking sites on health behavior change: a systematic review and meta-analysis

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