Overall crude and adjusted logistic regression analysis of factors associated with premenstrual dysphoric disorder among female medical and health science students at College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia, 2019. (n = 386)
| Variables | Category | PMDD | Bivariate | Multivariate | |||
| Yes % (n) | No % (n) | COR (95% CI) | P value | AOR (95% CI) | P value | ||
| Marital status | Married | 21.6 (29) | 15.9 (40) | 1 | 1 | ||
| Single | 78.4 (105) | 84.1 (212) | 1.68 (2.40,4.16) | 0.015 | 0.72 (0.35 to 1.50) | 0.382 | |
| Menstrual pain | No | 16.4 (22) | 31.7 (80) | 1 | 1 | ||
| Mild | 6.0 (8) | 10.3 (26) | 1.02 (0.23 to 2.45) | 0.131 | 1.36 (0.54 to 3.45) | 0.517 | |
| Moderate | 36.6 (49) | 35.4 (89) | 1.44 (0.67 to 3.10) | 0.188 | 1.82 (0.630,5.24) | 0.269 | |
| Severe | 30.6 (41) | 15.9 (40) | 4.93 (2.09 to 11.60) | 0.009 | 2.82 (1.83,4.23) | 0.023 | |
| Very severe | 10.4 (14) | 6.7 (17) | 3.95 (1.40 to 11.16) | 0.069 | 3.02 (0.84,2.56) | 0.137 | |
| Perception of impact of menstrual pain | No | 36.6 (41) | 61.6 (106) | 1 | 1 | ||
| Yes | 63.4 (71) | 38.4 (66) | 4.07 (2.46 to 6.73) | 0.001 | 2.31 (1.23 to 4.32) | 0.009 | |
| Duration of menstrual bleeding | 1–3 days | 20.9 (28) | 28.6 (72) | 1 | 1 | ||
| 4–5 days | 59.7 (80) | 56.7 (143) | 1.78 (0.82 to 2.57) | 0.167 | 0.79 (0.42,1.51) | 0.475 | |
| >=6 days | 19.4 (26) | 14.7 (37) | 2.73 (1.05 to 4.56) | 0.041 | 0.98 (0.41,2.34) | 0.969 | |
| Amount of menstrual bleeding per day | Too little | 20.9 (28) | 27.8 (70) | 1 | 1 | ||
| Moderate | 70.1 (94) | 69.8 (176) | 1.45 (0.91 to 2.32) | 0.262 | 1.24 (0.64 to 2.39) | 0.521 | |
| Too much | 9.0 (12) | 2.4 (6) | 11.60 (2.53 to 53.26) | 0.003 | 2.50 (0.59,10.50) | 0.212 | |
| Family history of menstrual related problems | No | 46.3 (62) | 62.7 (158) | 1 | 1 | ||
| Yes | 53.7 (72) | 37.3 (94) | 1.88 (1.25,2.2.83) | 0.002 | 1.85 (0.69,3.14) | 0.122 | |
| Current use of khat | No | 96.3 (129) | 98.8 (249) | 1 | 1 | ||
| Yes | 3.7 (5) | 1.2 (3) | 3.68 (1.45,9.39) | 0.014 | 0.84 (0.14,5.05) | 0.845 | |
| Current use of cigarette | No | 98.5 (132) | 99.2 (250) | 1 | 1 | ||
| Yes | 1.5 (2) | 0.8 (2) | 3.20 (1.01,10.11) | 0.025 | 1.17 (0.25 to 5.61) | ||
| Perceived stress | No stress | 38.8 (52) | 48.4 (122) | 1 | 1 | ||
| Low stress | 23.9 (32) | 23.0 (58) | 1.29 (0.75,2.22) | 0.349 | 1.44 (0.74,2.81) | 0.286 | |
| Moderate stress | 22.4 (30) | 15.1 (38) | 1.85 (1.04,3.30) | 0.037 | 1.70 (0.84,3.42) | 0.14 | |
| High stress | 14.9 (20) | 13.5 (34) | 1.38 (0.73,2.62) | 0.024 | 3.52 (2.58,5.60) | 0.001 | |