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. 2021 Dec 8;21:405. doi: 10.1186/s12905-021-01531-x

Table 3.

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

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)

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