Age at Menarche and Type 2 Diabetes Risk: The EPIC-InterAct study

Cathy E Elks, Ken K Ong, Robert A Scott, Yvonne T van der Schouw, Judith S Brand, Petra A Wark, Pilar Amiano, Beverley Balkau, Aurelio Barricarte, Heiner Boeing, Ana Fonseca-Nunes, Paul W Franks, Sara Grioni, Jytte Halkjaer, Rudolf Kaaks, Timothy J Key, Kay Tee Khaw, Amalia Mattiello, Carl Martin Peter Nilsson, Kim OvervadDomenico Palli, J Ramón Quirós, Sabina Rinaldi, Olov Rolandsson, Isabelle Romieu, Carlotta Sacerdote, María-José Sánchez, Annemieke M W Spijkerman, Anne Tjonneland, Maria-Jose Tormo, Rosario Tumino, Daphne L van der A, Nita G Forouhi, Stephen J Sharp, Claudia Langenberg, Elio Riboli, Nicholas J Wareham, InterAct Consortium

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136 Citations (Scopus)

Abstract

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/m(2) 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
Original languageEnglish
JournalDiabetes Care
Volume36
Issue number11
Pages (from-to)3526-34
Number of pages9
ISSN0149-5992
DOIs
Publication statusPublished - Nov 2013

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