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Table 3 Logistic regression analysis of risk factors for postmenopausal osteoporosis

From: Association of breastfeeding and postmenopausal osteoporosis in Chinese women: a community-based retrospective study

 

Unadjusted OR (95% CI)

p-value

Adjusted OR (95% CI)

p-value

Age

1.19 (1.11–1.28)

< 0.001

1.16 (1.05–1.29)

0.003

BMI

1.21 (1.01–1.44)

0.039

1.26 (1.04–1.54)

0.021

The number of pregnancy

2.50 (1.67–3.75)

< 0.001

1.80 (1.08–2.98)

0.024

parity

2.61 (1.58–4.32)

< 0.001

0.78 (0.29–2.10)

0.625

Overall breastfeeding duration

 Never

1 (reference)

 

1 (reference)

 

 1–12 months

2.23 (0.30–16.71)

0.435

2.51 (0.26–23.90)

0.424

 12–24 months

2.22 (0.29–16.73)

0.440

1.26 (0.13–12.30)

0.840

  > 24 months

39.00 (2.40–634.65)

0.010

5.22 (0.18–147.76)

0.333

  1. Abbreviations: OR Odds Ratio, BMI body mass index
  2. p<0.05 were considered significant. Entries in boldface are significant