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Table 3 Menstrual and reproductive history and other information of study population by the mKMI score

From: Severity and factors of menopausal symptoms in middle-aged women in Gansu Province of China: a cross-sectional study

 

The mKMI score

None (0–6)

Mild (7–14)

Moderate (15–30)

Severe (> 30)

Statistics

P value

Age at menarche, n(%)

    

36.0250

 < 0.0001

 < 15 years

678 (43.74)

875 (40.45)

1085 (35.99)

196 (33.16)

  

 ≥ 15 years

872 (56.26)

1288 (59.55)

1930 (64.01)

395 (66.84)

  

Duration of Menstruation, n(%)

    

15.5303

 < 0.0001

 < 5 days

680 (43.87)

960 (44.38)

1302 (43.18)

227 (38.41)

  

5–6 days

608 (39.23)

820 (37.91)

1076 (35.69)

212 (35.87)

  

 ≥ 7 days

262 (16.90)

383 (17.71)

637 (21.13)

152 (25.72)

  

Interval of Menstruation, n(%)

    

16.5932

 < 0.0001

 ≤ 28 days

749 (48.32)

1011 (46.74)

1350 (44.78)

224 (37.90)

  

 > 28 days

801 (51.68)

1152 (53.26)

1665 (55.22)

367 (62.10)

  

Pregnancy time, n(%)

    

116.629

 < 0.0001

0–1

326 (21.03)

325 (15.03)

348 (11.54)

41 (6.94)

  

2–3

1032 (66.58)

1534 (70.92)

2145 (71.14)

414 (70.05)

  

 > 3

192 (12.39)

304 (14.05)

522 (17.31)

136 (23.01)

  

Duration of breastfeeding, n(%)

    

99.9729

 < 0.0001

 < 12 months

715 (46.13)

874 (40.41)

1087 (36.05)

166 (28.09)

  

12 months

453 (29.23)

666 (30.79)

906 (30.05)

173 (29.27)

  

 > 12 months

382 (24.65)

623 (28.80)

1022 (33.90)

252 (42.64)

  

Menopausal status, n(%)

    

706.768

 < 0.0001

Premenopause

1066 (68.77)

1202 (55.57)

1098 (36.42)

106 (17.94)

  

Perimenopause

282 (18.19)

498 (23.02)

887 (29.42)

179 (30.29)

  

Postmenopause

202 (13.03)

463 (21.41)

1030 (34.16)

306 (51.78)

  

MHT, n(%)

    

14.1077

0.0002

No

1477 (95.29)

2048 (94.68)

2809 (93.17)

543 (91.88)

  

Yes

73 (4.71)

115 (5.32)

206 (6.83)

48 (8.12)

  

Gynecological disease, n(%)

    

62.4735

 < 0.0001

No

1077 (69.48)

1359 (62.83)

1758 (58.31)

329 (55.67)

  

Yes

473 (30.52)

804 (37.17)

1257 (41.69)

262 (44.33)

  

Breast disease, n(%)

    

0.0261

0.8716

No

1154 (74.45)

1548 (71.57)

2193 (72.74)

443 (74.96)

  

Yes

396 (25.55)

615 (28.43)

822 (27.26)

148 (25.04)

  

Chronic disease, n(%)

    

289.862

 < 0.0001

No

1461 (94.26)

1930 (89.23)

2454 (81.39)

400 (67.68)

  

Yes

89 (5.74)

233 (10.77)

561 (18.61)

191 (32.32)

  
  1. MHT, Menopausal hormone therapy; The mKMI, the Modified Kupperman Menopausal Index
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