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Table 1 Demographic and lifestyle characteristics of Endometriosis cases and control women

From: Effects of endometriosis on sleep quality of women: does life style factor make a difference?

Characteristics Case (78) Control (77) P-value OR
Age 31.00 ± 6.63 29.35 ± 6.99 0.137 1.03(0.99–1.09)
Age at menarche
 Less than 11 year 8(10.26) 9(11.69) 0.77 0.86(0.31–2.37)
 More than 12 years 70(89.74) 68(87.18)   1.00a
Education
 Universitically 42(53.85) 38(49.35) 0.58 0.83(0.44–1.57)
 Non Universitically 36(46.15) 39(50.65)   1.00a
BMI 23.64 ± 4.11 23.69 ± 3.58 0.93 0.99(0.92–1.08)
OCP use
 Yes 10(13.16) 12(15.58) 0.67 0.82(0.33–1.03)
 No 66(86.84) 65(84.42)   1.00a
Breast feeding history
 Bottle feeding 8(11.94) 5(6.49) 0.37 1.69(0.53–2.43)
 Breast feeding 68(89.47) 72(93.51)   1.00a
Family history
 Yes 11(14.10) 3(3.90) 0.04 4.05(2.08–7.14)
 No 67(85.90) 74(96.19)   1.00a
Abortion
 Yes 22(28.20) 11(14.29) 0.04 2.36(1.05–3.28)
 No 56(71.79) 66(85.71)   1.00a
Menstrual status
 Regular 55(71.43) 67(87.01) 0.01 1.00a
 Irregular 23(29.49) 10(12.99)   2.80 (1.23–4.38)
Menorrhagia
 Yes 24(30.77) 10(12.99) 0.007 2.98(1.31–3.76)
 No 54(69.23) 67(87.01)   1.00a
Dysmenorrhea
 Yes 59(75.64) 31(40.26) < 0.001 4.61(3.31–5.18)
 No 19(24.36) 46(59.74)   1.00a
Pelvic pain
 Yes 44(56.41) 6(7.79) < 0.001 15.31(12.95–17.43)
 No 34(43.59) 71(92.21)   1.00a
Abortion
 Yes 22(28.20) 11(14.29) 0.04 2.36(1.05–3.28)
 No 56(71.79) 66(85.71)   1.00a
Physical activity
 Less than 1 h per week 41(52.56) 26(33.77)   1.00a
 Between 2 and 3 per week 22(28.20) 19(24.67) 0.008 0.73(0.33–1.61)
 More than 3 h per week 15(19.23) 32(41.56)   0.30(0.13–0.65)
Smoking
 Yes 6(7.69) 3(3.90) 0.31 2.06(0.49–3.53)
 No 72(92.31) 74(96.10)   1.00a
  1. Data are demonstrated as n (%) or mean ± SD
  2. OR Odds ratio, CI Confidence interval, BMI Body mass index, OCP Oral contraceptives
  3. aReference category