Association of puberty timing with type 2 diabetes: A systematic review and meta-analysis

Tuck Seng Cheng, Felix R Day, Rajalakshmi Lakshman and Ken K Ong

PLOS Medicine, 2020, vol. 17, issue 1, 1-20

Abstract: Background: Emerging studies have investigated the association between puberty timing, particularly age at menarche (AAM), and type 2 diabetes. However, whether this association is independent of adiposity is unclear. We aimed to systematically review published evidence on the association between puberty timing and type 2 diabetes (T2D) or impaired glucose tolerance (IGT), with and without adjustment for adiposity, and to estimate the potential contribution of puberty timing to the burden of T2D in the United Kingdom (UK). Methods and findings: We searched PubMed, Medline, and Embase databases for publications until February 2019 on the timing of any secondary sexual characteristic in boys or girls in relation to T2D/IGT. Inverse-variance-weighted random-effects meta-analysis was used to pool reported estimates, and meta-regression was used to explore sources of heterogeneity. Twenty-eight observational studies were identified. All assessed AAM in women (combined N = 1,228,306); only 1 study additionally included men. In models without adjustment for adult adiposity, T2D/IGT risk was lower per year later AAM (relative risk [RR] = 0.91, 95% CI 0.89–0.93, p

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pmed00:1003017

DOI: 10.1371/journal.pmed.1003017

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