Association of age at menarche with obesity and hypertension among southwestern Chinese women: a new finding

Objectives: The purpose of this study was to assess the association of the age at menarche with obesity and hypertension among southwestern Chinese women. Methods: Participants in a cross-sectional study were required to recall and complete a standard self-reporting questionnaire, including age at menarche and lifestyle habits. Cardiovascular risk factors were obtained from the questionnaire or a physical examination. The main outcomes were obesity and hypertension. The association was examined by binary logistic regression and birth cohort. Odds ratios for adiposity and hypertension were computed across menarcheal ages. Results: A cohort of 7,119 women with a mean age of 44.7 years was included in the study. After adjustments, odds ratios (and 95% confidence interval) for obesity across menarcheal age categories (≤11, 12-13, 14-15, 16-17, ≥18) were 3.75 [1.35-10.41], 1.15 [0.90-1.48], 1 (referent), 0.92 [0.75-1.12], and 0.74 [0.58-0.96], respectively (Ptrend 

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