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Table 4 Multivariable multinomial logistic regression model to identify factors potentially associated with menopause

From: Factors predicting age at menopause among Iranian women in the Bandare-Kong cohort study (a cross-sectional survey of PERSIAN cohort study)

Variable

Premature menopause age (n = 79)

Early menopause age(n = 116)

Odds ratio

95% CI

P value

Odds ratio

95% CI

P value

Menarche age

1.00

0.85–1.18

0.969

0.89

0.78–1.03

0.112

Gravida

0.90

0.81-1.00

0.048

0.98

0.90–1.08

0.722

Number of abortions

1.07

0.81–1.41

0.631

0.88

0.68–1.14

0.320

Age at the first marriage

0.99

0.93–1.04

0.615

1.01

0.97–1.06

0.648

Stillbirth

No

0.47

0.26–0.83

0.01

0.805

0.45–1.46

0.474

Yes

Reference

Reference

Tubectomy

No

1.01

0.59–1.73

0.966

1.30

0.81–2.09

0.276

Yes

Reference

Reference

Infertility

No

0.71

0.23–2.19

0.554

0.866

0.29–2.60

0.797

Yes

Reference

Reference

Socioeconomic status

Poor

0.90

0.52–1.55

0.700

0.89

0.55–1.45

0.649

Moderate

0.89

0.44–1.78

0.738

0.78

0.45–1.36

0.384

Rich

Reference

Reference

  1. women with normal menopause were considered the reference category; a P value < 0.05 was considered as statistically significant