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. 2019 May 21;5:8. doi: 10.1186/s40748-019-0102-z

Table 5.

Factors associated with premenstrual dysphoric disorder among health science students of Wollo University January 2017 Dessie, Ethiopia (n = 254)

Variable Premenstrual dysphoric disorder Bivarate analysis Multivarate analysis
No
n(%)
Yes
n(%)
COR P. value AOR (95% CI) P value
Resident
 Live in the dormitory 71(31.6) 154(68.4) 1.76 0.15 1.55(0.61–3.96) 0.35
 Outside dormitory 16(55.2) 13(44.8) 1 1
Average length of one cycle
  < 28 days 37(26.2) 104(73.8) 2.0 0.01 1.65(0.88–3) 0.11
  > 28 days 47(41.6) 66(58.4) 1 1
Dysmenorrhea
 Yes 61(27) 165(73) 12.44 0.00 0 1.00
 No 23(82.1) 5(17.9) 1 1
Grade of dysmenorrhea
 Mild 59(33) 120(67) 0.001 0.13(0.03–0.58) 0.008**
 Severe 2(4.3) 45(95.7) 1 1
Have negative impact on academic performance
 Yes 61(28.1) 156(71.9) 4.2 0.00 2.36(0.95–5.89) 0.065
 No 23(62.2) 14(37.8) 1 1
Grade will be improved if free from premenstrual symptoms
 Yes 63(30.4) 144(69.6) 1.74 0.10 0.73(0.29–1.8) 0.51
 No 19(43.2) 25(56.8) 1
Amount of bleeding during menstrual cycle
 Mild & moderate 82(37.3) 138(62.7) 0.10 0.002 0.27(0.06–1.25) 0.096
 Severe 2(5.9) 32(94.1) 1 1