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Table 3 Associations between age at menarche and lumbar spine BMD excluding individuals who used female hormones (n = 248)

From: Association between age at menarche and bone mineral density in postmenopausal women

Age at menarche (years)

Beta

SE

P value

95% CI

≤ 12

Reference

13–15

− 0.012

0.016

0.460

(− 0.044, 0.020)

≥ 16

− 0.053

0.018

0.006

(− 0.089, − 0.016)

  1. Age, race, BMI, education level, family PIR, smoking behavior, alcohol consumption, years since menopause, parity, vigorous activities, moderate activities, total calcium, serum phosphorus, arthritis, thyroid disease, liver disease, kidney disease, and diabetes were adjusted for
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X