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Table 3 Univariate analysis for intensity of dysmenorrhic pain

From: Prevalence of dysmenorrhea and predictors of its pain intensity among Palestinian female university students

Variables Total (%) Mild (%) Moderate/severe (%) P value OR 95%(CI)
College
 E 182 (22.4) 36 (19.8) 146 (80.2) 0.03 1.12 (0.74–1.73)
 H 507 (62.3) 110 (21.2) 397 (78.3) Reference
 M 125 (15.4) 14 (11.2) 111 (88.8) 2.2 (1.21–3.98)
Age(years)
  < 20 600 (73.7) 115 (19.2) 485 (80.8) 0.556
  ≥ 20 214 (26.3) 45 (21) 169 (79)  
Age at menarche (years)
  ≤ 14 569 (69.9) 103 (18.1) 466 (81.9) 0.089
  > 14 245 (30.1) 57 (23.3) 188 (76.7)  
Regular
 Always 213 (26.2) 54 (25.4) 159 (94.6) 0.015 Reference
 Not always 601 (73.8) 106 (17.6) 495 (82.4) 1.57 (1.09–2.30)
Duration of menses (days)
  ≤ 5 429 (52.7) 94 (21.9) 335 (78.1) 0.087
  > 5 385 (47.3) 66 (17.1) 319 (82.9)  
Education of the mother
  ≤ High school 536 (65.8) 115 (21.8) 421 (78.5) 0.073
  ≥ College 278 (34.2) 45 (16.2) 233 (83.8)  
Education of the father
  ≤ High school 424 (52.1) 87 (20.5) 337 (79.5) 0.518
  ≥ College 390 (47.9) 73 (18.7) 317 (81.3)  
Socioeconomic level
  ≤ Average 580 (71.3) 113 (19.5) 467 (80.5) 0.845
  > Average 234 (28.7) 47 (20.1%) 187 (79.7)  
Smoking
 Yes 139 (17.1) 23 (16.5) 116 (83.5) 0.311
 No 675 (82.9) 137 (20.3) 538 (79.7)  
Regular exercise
 Yes 282 (34.6) 61 (21.6) 221 (87.4) 0.302
 No 532 (65.4) 99 (18.6) 433 (81.4)  
Stress
 Yes 249 (30.6) 38 (15.3) 211 (84.7) 0.036 1.53 (1.03–2.28)
 No 565 (69.4) 122 (21.6) 443 (78.4) Reference
Living
 With family 664 (81.7) 140 (21.1) 524 (78.9) 0.034 Reference
 In dormitory 149 (18.3) 20 (13.4) 129 (80.6) 1.72 (1.04–2.86)
BMI
  < 18.5 79 (10.1) 12 (15.2) 67 (84.8) 0.363  
 18.5–24.9 599 (76.9) 119 (19.9) 480 (80.1)
 25–29.9 84 (10.8) 18 (21.4) 66 (78.6)  
  > 30 17 (2.2) 1 (5.9) 629 (80.7)  
Breakfast
 Every day 207 (25.4) 58 (28) 149 (72) 0.001 Reference
 Sometimes/never 607 (74.6) 102 (16.8) 505 (83.2) 1.93 (1.33–2.79)
Vegetables and fruits
 Never or low 172 (21.2) 26 (15.1) 146 (84.9) 0.069  
 Moderate 506 (62.3) 98 (19.4) 408 (80.6)
 High 104 (12.8) 25 (24) 79 (76)  
 Very high 30 (3.7) 10 (33.3) 20 (66.7)  
Meat and protein rich diet
 Never or low 190 (23.4) 27 (14.2) 163 (85.8) 0.086  
 Moderate 517 (63.6) 113 (21.9) 404 (78.1)
 High 80 (9.8) 13 (16.3) 67 (83.8)  
 Very high 26 (3.2) 7 (26.9) 19 (73.1)  
Sweets and sugary beverages
 Never or low 63 (7.7) 16 (25.4) 47 (74.6) 0.352  
 Moderate 452 (55.6) 87 (19.2) 365 (80.8)
 High 248 (30.5) 50 (20.2) 198 (79.8)  
 Very high 50 (6.2) 6 (12) 44 (88)  
Salty foods
 Never or low 77 (9.5) 12 (15.6) 65 (84.4) 0.735  
 Moderate 387 (47.7) 80 (20.7) 307 (79.3)
 High 269 (33.1) 54 (20.1) 215 (79.9)  
 Very high 79 (9.7) 14 (17.7) 65 (82.3)  
Tea/coffee/Nescafe
  ≤ 1 cup 264 (32.4) 49 (18.6) 215 (81.4) 0.589  
  ≥ 2 cup 550 (67.6) 111 (20.2) 439 (79.8)