Skip to main content

Table 3 Bivariate and multivariable analysis of factors associated with premenstrual syndrome among secondary and preparatory school students in Debremarkos town, North West Ethiopia in 2016

From: Premenstrual syndrome and factors associated with it among secondary and preparatory school students in Debremarkos town, North-west Ethiopia, 2016

Variables PMS Crude OR (95% CI) AOR (95% CI)
No Yes
Age (years) 90 402 1.27 (1.09, 1.48) 1.20 (1.01, 1.44)*
Nonacademic duty
 Not at all 26 61 1.00 1.00
 Simple 7 57 3.47 (1.40, 8.62) 2.46 (0.92, 6.60)
 Heavy 57 283 2.12 (1.23, 3.63) 2.13 (1.17, 3.89)*
Physical activity
 Not at all 39 224 2.73 (1.43, 5.19) 1.01 (0.57, 1.77)
 Irregularly 32 138 2.05 (1.05, 3.40) 0.49 (0.25, 1.02)
 Regularly 19 40 1.00 1.00
Coffee intake in cups
 0 59 180 1.00 1.00
 1–4 29 156 1.76 (1.08, 2.89) 1.93 (1.12, 3.31)*
 ≥ 5 2 66 10.8 (2.57, 45.5) 6.79 (1.50, 30.77)*
Age at menarche (years)
 9–12 16 155 3.14 (1.69, 5.79) 2.68 (1.32, 5.47)**
 13–14 45 139 1.00 1.00
 15–17 28 107 1.24 (0.73, 2.11) 1.09 (0.60, 1.99)
Menstrual pattern
 Regular 72 299 1.00 1.00
 Irregular 18 103 1.38 (0.79, 2.42) 0.49 (0.07, 3.29)
Menstrual cycle length
 < 21 19 112 1.38 (0.79, 2.40) 2.26 (0.35, 14.57)
 21–35 67 286 1.00 1.00
 > 35 4 4 0.23 (0.06, 0.96) 0.13 (0.02, 0.75)*
History of intercourse
 Yes 14 24 1.00 1.00
 No 76 378 2.90 (1.44, 5.86) 5.03 (2.20, 11.51)**
  1. *≥ P < 0.05; **≥ P < 0.001