Social Media Support May Help Lower Blood Sugar in Type 2 Diabetes, Review Finds

Adults with type 2 diabetes who received diabetes self-management education and support delivered through social media platforms showed a modest improvement in glycemic control, according to a systematic review and meta-analysis published in Frontiers in Clinical Diabetes and Healthcare. The pooled analysis of eleven randomized controlled trials found an average reduction of 0.44 percentage points in HbA1c, the standard laboratory measure of long-term blood sugar control, favoring the social media-based interventions over comparators.

The review, led by Lisa Diaz of the University of California, Los Angeles, with colleagues at UCLA and Pomona Valley Hospital Medical Center, followed PRISMA 2020 reporting guidelines. The researchers searched PubMed, CINAHL, Web of Science, and PsycINFO, screening 789 records and adding one more identified through a saved search, for a total of 790. Eligible studies were English-language articles published over a just-over-ten-year period that focused on adults with type 2 diabetes, reported HbA1c outcomes, and used social media to deliver diabetes self-management education and support, often abbreviated DSMES.

From that search, the review identified 13 studies, of which 11 were randomized controlled trials suitable for the meta-analysis. Risk of bias in the trials was assessed with the Cochrane Risk of Bias 2 tool. The team used a random-effects model to estimate pooled mean differences in HbA1c percentage points and ran subgroup analyses by intervention duration, with heterogeneity quantified using the I² statistic.

The overall pooled effect was statistically significant, though only just: a mean difference of −0.44 HbA1c percentage points with a 95 percent confidence interval of −0.87 to −0.00 and a p-value of 0.05. That confidence interval reaches zero, meaning the possibility of no effect cannot be excluded, and the result should be read as borderline rather than robust.

Heterogeneity was a major caveat. The I² statistic was 91 percent, indicating that the variation between studies was far larger than the variation within them, and the 95 percent prediction interval ranged from −2.08 to 1.20 percentage points. In practical terms, an individual study drawn from this body of evidence could plausibly show a substantial benefit or no benefit at all, so the pooled estimate represents an average across very different interventions and populations rather than a uniform effect of social media-based DSMES.

The exploratory post hoc analysis by intervention duration produced the review’s most striking pattern. Interventions lasting three months or less showed no significant effect, with a pooled mean difference of −0.12 percentage points (95 percent CI −0.51 to 0.28, p = 0.56). Interventions longer than three months showed a large, statistically significant effect of −1.02 percentage points (95 percent CI −1.75 to −0.29, p = 0.01). The test for between-subgroup differences was significant (Q = 4.56, df = 1, p = 0.03).

The authors caution that these duration findings are post hoc and should be interpreted carefully, particularly because of the substantial heterogeneity across studies.

Even so, the magnitude of the longer-duration estimate is noteworthy.

The review’s conclusion is deliberately measured: social media-based DSMES interventions may be associated with improvements in glycemic outcomes in adults with type 2 diabetes. The evidence base is limited, as the authors note in their background, and the pooled estimate should not be understood as a uniform treatment effect. The authors state that all claims expressed in the article are their own and do not necessarily represent those of their affiliated organizations or the publisher.

Subject of Research: The effect of social media-based diabetes self-management education and support on glycemic control in adults with type 2 diabetes

Article Title: Effect of social media–based diabetes self-management education and support on glycemic control in adults with type 2 diabetes: a systematic review and meta-analysis

Article References: Diaz, L., Tolentino, D. A., Scott, E., Brecht, M.-L., Robbins, W., & Choi, S. (2026). Effect of social media–based diabetes self-management education and support on glycemic control in adults with type 2 diabetes: a systematic review and meta-analysis. Frontiers in Clinical Diabetes and Healthcare, 7, Article 1907185. https://doi.org/10.3389/fcdhc.2026.1907185

Image Credits: AI Generated

DOI: 10.3389/fcdhc.2026.1907185

Keywords: type 2 diabetes, HbA1c, social media, diabetes self-management education, systematic review, meta-analysis, glycemic control, randomized controlled trials, digital health, DSMES, intervention duration, heterogeneity