Table 1 Examining the impact of age on menstrual changes: a comparative analysis of reported alterations in menstrual characteristics across different age groups [n(%)]
Age (y) | Group A, n = 442 | Group B a, n = 427 | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|
Menstruationa | Perioda | Volumea | Dysmenorrheb | ||||||
Delayed | Advanced | Prolonged | Shortened | Increased | Decreased | Worsen | |||
18–20 | 11(21.2) | 3(5.8) | 6(11.5) | 1(1.9) | 6(11.5) | 10(19.2) | 9(17.3)c | 22(42.3) | 52 |
21–30 | 64(19.4) | 13(3.9) | 24(7.3) | 8(2.4) | 35(10.6) | 42(12.7) | 28(8.5) | 158(47.9) | 330 |
31–40 | 70(22.3) | 12(3.8) | 23(7.3) | 13(4.1) | 20(6.4) | 51(16.2) | 17(5.4) | 151(48.1) | 314 |
41+ | 26(15.0) | 11(6.4) | 14(8.1) | 6(3.5) | 22(12.7) | 19(11.0) | 9(5.2) | 96(55.5) | 173 |
Total | 171(19.7) | 39(4.5) | 67(7.7) | 28(3.2) | 83(9.6) | 122(14.0) | 63(7.2) | 427(49.1) | 869 |
χ2 | 5.549 | 3.053 | 9.775 | 11.224 | 9.775 | ||||
P | 0.476 | 0.802 | 0.134 | 0.011 | 0.134 | ||||