{
  "abstract": "Background: Fear of hypoglycaemia (FoH) can interfere with diabetes self-management in adults with type 2 diabetes mellitus (T2DM). Educational and behavioural interventions may address hypoglycaemia-related worry and avoidance, but evidence focused on adults with T2DM remains limited. This systematic review and meta-analysis examined the effects of structured educational and behavioural interventions on FoH in this population. Methods: Nine databases were searched from inception to 31 December 2025 for randomised controlled trials of educational and behavioural interventions addressing FoH or FoH-related outcomes in adults with T2DM. Data were pooled using random-effects models, estimating standardised mean differences (SMDs) with 95% confidence intervals (CIs). Heterogeneity was assessed using Tau² and I², and a 95% prediction interval was estimated. Small-study effects and additional sensitivity analyses were examined. Risk of bias was assessed using Cochrane RoB 2, and certainty of evidence was assessed using GRADE. The review was registered with PROSPERO (CRD42025630957). Results: Eleven RCTs involving 1,096 participants were included. The exploratory pooled average effect favoured educational and behavioural interventions for reducing FoH (SMD = −1.89; 95% CI −2.54 to −1.25; p < 0.00001). Heterogeneity was substantial (Tau² = 1.10; I² = 95%), and the 95% prediction interval crossed the line of no effect (95% PI −4.34 to 0.56), suggesting that effects may differ across future similar studies. Funnel plot asymmetry and Egger’s regression test suggested possible small-study effects. Trim-and-fill findings were estimator-dependent and suggested possible attenuation of the pooled estimate in exploratory analysis. The certainty of evidence was very low because of risk of bias, substantial heterogeneity, indirectness, and possible small-study effects. Conclusion: Very low-certainty evidence suggests that structured educational and behavioural interventions may reduce FoH in adults with T2DM; however, the magnitude and generalisability of this effect remain uncertain. Further RCTs with standardised FoH measures, longer follow-up, and clearer reporting of intervention components and fidelity are needed.",
  "abstract_shown": true,
  "affiliations": [
    "Department of Nursing, Universiti Putra Malaysia, Serdang, Selangor, Malaysia",
    "Faculty of Nursing, Jiangsu Medical College, Yancheng, Jiangsu, China",
    "Department of Endocrinology, Yancheng No.1 People’s Hospital, Affiliated Hospital of Medical School, Nanjing University, Yancheng, Jiangsu, China",
    "Department of Nutrition, Universiti Putra Malaysia, Serdang, Selangor, Malaysia",
    "Department of Sports Studies, Universiti Putra Malaysia, Serdang, Selangor, Malaysia"
  ],
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  "authors": [
    {
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        0
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      "name": "Yan Tang"
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    {
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      "name": "Junjun Zhou"
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    {
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        2
      ],
      "name": "Wan Ying Gan"
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    {
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        3
      ],
      "name": "Kim Geok Soh"
    },
    {
      "affs": [
        4
      ],
      "name": "Kim Lam Soh"
    }
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  "doi": "10.1371/journal.pone.0358881",
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  "issns": [
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  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
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  "published": "2026-10-05",
  "publisher": "Public Library of Science",
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  "title": "Educational and behavioural interventions for reducing fear of hypoglycaemia in adults with type 2 diabetes: A systematic review and meta-analysis of randomised controlled trials",
  "title_text": "Educational and behavioural interventions for reducing fear of hypoglycaemia in adults with type 2 diabetes: A systematic review and meta-analysis of randomised controlled trials",
  "type": "peer-reviewed",
  "updated_at": "2026-10-30T12:17:37Z",
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