Table 3 The mean age of menopause and menarche in the 10-year age groups of the women in the study.

From: Trends in age at natural menopause and menarche and related factors in Iran: results from a population-based study

 

Menopause age

Menarche age

 

N (%)

Mean (SD)

p

N (%)

Mean (SD)

P

35–44

28(1.42)

40.25(4.66)

< 0.001

2206(40.4)

13.4(1.73)

< 0.001

45–54

474(27.04)

47.02(4.35)

1636(31.9)

13.72(1.66)

55–64

1136(54.65)

50.50(5.25)

1136(21.4)

13.73(1.81)

65–75

333(16.89)

52.27(5.69)

333(6.3)

14.16(1.99)

Total

1971

49.71(5.53)

5311

13.6(1.74)

  1. One-way analysis of variance.
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