Table 1. Demographic characteristics of couples by sex.
| Variable | N (%) | Variable | N (%) |
| Number of pregnancies | Age ( years ) | ||
| 1 | 237 (52.7) | Less than 25 | 165(36.6) |
| 2 | 145 (32.2) | 25-29 | 138 (30.6) |
| 3 and more | 68 (15.1) | 29 or more | 147 (32.8) |
| mean (SD) | 1.7 (0.9) | mean (SD) | 26.5 (5.1) |
| Occupation | Education | ||
| housewife | 418(92.8) | Primary school | 157 (34.9) |
| working at home | 21(4.7) | Secondary school | 139(30.9) |
| work outside the home | 11(2.5) | Diploma | 128(28.4) |
| University | 26 (5.8) | ||
| Spouse occupation | Spouse Education | ||
| Unemployed | 16 (3.5) | Primary school | 141 (31.3) |
| Labour | 131(29.1) | Secondary school | 140(31.1) |
| employees | 58(12.8) | Diploma | 125(27.8) |
| self-employed | 245(54.6) | University | 44(9.8) |
| Birth spacing (years) | BMI (kg/m²)* | ||
| less than 3 | 28(6.2) | Underweight | 36(8) |
| 3 to 5 | 88(19.6) | Normal | 227(50.4) |
| More than 5 | 334(74.2) | Overweight | 84(18) |
| mean (SD ) | 5.7(3.2) | Obese | 103(23.6) |
| mean (SD) | 25.6(4.7) | ||
| Pregnancy problems ** | |||
| yes | 13(2.9) | ||
| no | 437(97.1) |
*BMI (kg / m²) were measured on weight and height and BMI were classified into 4 groups, less than 19.8, 19.8-26, 27-29and greater than or equal to 29. **Pregnancy Problems including minor problems except problems mentioned in the inclusion criteria