Age at Menarche and Type 2 Diabetes Risk
نویسندگان
چکیده
OBJECTIVE Younger age at menarche, a marker of pubertal timing in girls, is associated with higher risk of later type 2 diabetes. We aimed to confirm this association and to examine whether it is explained by adiposity. RESEARCH DESIGN AND METHODS The prospective European Prospective Investigation into Cancer and Nutrition (EPIC)-InterAct case-cohort study consists of 12,403 incident type 2 diabetes cases and a stratified subcohort of 16,154 individuals from 26 research centers across eight European countries. We tested the association between age at menarche and incident type 2 diabetes using Prentice-weighted Cox regression in 15,168 women (n = 5,995 cases). Models were adjusted in a sequential manner for potential confounding and mediating factors, including adult BMI. RESULTS Mean menarcheal age ranged from 12.6 to 13.6 years across InterAct countries. Each year later menarche was associated with 0.32 kg/m2 lower adult BMI. Women in the earliest menarche quintile (8-11 years, n = 2,418) had 70% higher incidence of type 2 diabetes compared with those in the middle quintile (13 years, n = 3,634), adjusting for age at recruitment, research center, and a range of lifestyle and reproductive factors (hazard ratio [HR], 1.70; 95% CI, 1.49-1.94; P < 0.001). Adjustment for BMI partially attenuated this association (HR, 1.42; 95% CI, 1.18-1.71; P < 0.001). Later menarche beyond the median age was not protective against type 2 diabetes. CONCLUSIONS Women with history of early menarche have higher risk of type 2 diabetes in adulthood. Less than half of this association appears to be mediated by higher adult BMI, suggesting that early pubertal development also may directly increase type 2 diabetes risk.
منابع مشابه
The role of BMI across the life course in the relationship between age at menarche and diabetes, in a British Birth Cohort
AIMS Previous research showing an inverse association between age of menarche and adult diabetes relied on recalled age at menarche and did not adjust for BMI across the life course. We investigated the relationship between age at menarche and diabetes, and whether childhood, adolescent or adult BMI attenuates this relationship. METHODS We used data from the Medical Research Council National ...
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متن کاملOriginal Contribution Age at Menarche and Risk of Type 2 Diabetes: Results From 2 Large Prospective Cohort Studies
The authors investigated the association between age at menarche and risk of type 2 diabetes mellitus (T2DM) among 101,415 women from the Nurses’ Health Study (NHS) aged 34–59 years (1980–2006) and 100,547 women from Nurses’ Health Study II (NHS II) aged 26–46 years (1991–2005). During 2,430,274 and 1,373,875 personyears of follow-up, respectively, 7,963 and 2,739 incident cases of T2DM were do...
متن کاملAge at menarche and risk of type 2 diabetes: results from 2 large prospective cohort studies.
The authors investigated the association between age at menarche and risk of type 2 diabetes mellitus (T2DM) among 101,415 women from the Nurses' Health Study (NHS) aged 34-59 years (1980-2006) and 100,547 women from Nurses' Health Study II (NHS II) aged 26-46 years (1991-2005). During 2,430,274 and 1,373,875 person-years of follow-up, respectively, 7,963 and 2,739 incident cases of T2DM were d...
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عنوان ژورنال:
دوره 36 شماره
صفحات -
تاریخ انتشار 2013