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Differences in the demographic characteristics of cases and controls
| Variable | Study group (n = 130) | Controlled group (n = 130) | P | |
|---|---|---|---|---|
| Age, years | Mean (SD) | 27.5(6.9) | 27.1(6.6) | 0.628 |
| Education | ≤ secondary level | 91(70.0) | 93(71.5) | 0.892 |
| > secondary level | 39(30.0) | 37(28.5) | ||
| Occupation | Housewive | 122(93.8) | 115 (88.5) | 0.189 |
| Employed | 8(6.2) | 15(11.5) |
