Research Article
Risk Factors for Chronic Mastitis in Morocco and Egypt
Table 2
Reproductive characteristics of 197 women who participated in a case-control study of chronic mastitis, Morocco and Egypt, 2011.
| Characteristics | Case | Control | | | % | | % |
| Total(85,112) | 85 | 100 | 112 | 100 | | Currently pregnant(56,76) | | | | | 0.722b | Yes | 4 | 7.14 | 4 | 5.26 | | No | 52 | 92.86 | 72 | 94.74 | | Parity(81,98) | | | | | <.0001b* | 0 | 1 | 1.23 | 28 | 28.57 | | 1-2 | 26 | 32.10 | 24 | 24.49 | | 3-4 | 36 | 44.44 | 34 | 34.69 | | ≥5 | 18 | 22.22 | 12 | 12.24 | | If parous, age at first birth(51,51) | | | | | 0.0219b* | ≤18 | 5 | 9.80 | 13 | 25.49 | | 19–24 | 33 | 64.71 | 18 | 35.29 | | 25–30 | 10 | 19.61 | 16 | 31.37 | | ≥31 | 3 | 5.88 | 4 | 7.84 | | If parous, age at last birth(51,51) | | | | | 0.602b | ≤18 | 0 | 0 | 2 | 3.92 | | 19–24 | 7 | 13.73 | 9 | 17.65 | | 25–30 | 22 | 43.14 | 19 | 37.25 | | ≥31 | 22 | 43.14 | 21 | 41.18 | | Previous miscarriage(52,66) | | | | | 0.734 | Yes | 6 | 11.54 | 9 | 13.64 | | No | 46 | 88.46 | 57 | 86.36 | | Ever infertile(63,77) | | | | | 0.959 | Yes | 8 | 12.70 | 10 | 12.99 | | No | 55 | 87.30 | 67 | 87.01 | | History of contraception(79,97) | | | | | 0.0053 | Yes | 54 | 68.35 | 46 | 47.42 | | No | 25 | 31.65 | 51 | 52.58 | | Type of contraception(41,37) | | | | | 0.528b | Pill | 18 | 43.90 | 18 | 48.65 | | Shot | 4 | 9.76 | 5 | 13.51 | | Patch | 2 | 4.88 | 4 | 10.81 | | Implant (IUD) | 17 | 41.46 | 10 | 27.03 | | Age started contraception(35,30) | | | | | 0.857b | ≤19 | 4 | 11.43 | 6 | 20.00 | | 20–24 | 13 | 37.14 | 10 | 33.33 | | 25–29 | 10 | 28.57 | 8 | 26.67 | | ≥30 | 8 | 22.86 | 6 | 20.00 | | Current menstrual cycle(70,91) | | | | | 0.542 | Yes | 53 | 75.71 | 65 | 71.43 | | No | 17 | 24.29 | 26 | 28.57 | | Regular menstrual cycle(65,91) | | | | | 0.748 | Yes | 53 | 81.54 | 76 | 83.52 | | No | 12 | 18.46 | 15 | 16.48 | | Menopausal status(80,102) | | | | | 0.727 | Pre- | 61 | 76.25 | 80 | 78.43 | | Post- | 19 | 23.75 | 22 | 21.57 | | Age at menopause(15,19) | | | | | 0.580b | ≤45 | 4 | 26.67 | 2 | 10.53 | | 46–50 | 4 | 26.67 | 6 | 31.58 | | >50 | 7 | 46.67 | 11 | 57.89 | |
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a value from Chi-square test.
b value from Fisher’s exact test.
*Significant at .
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