Table 1.
The mean of quantitative variables
| Variables | Mean | SD | Minimum | Maximum |
|---|---|---|---|---|
| Age (year) | 29.1 | 5.02 | 15 | 44 |
| Husband’s age (years) | 31.3 | 5.6 | 18 | 47 |
| Pregnancy number | 1.7 | 0.8 | 1 | 5 |
| Gestational age (week) | 34.6 | 1.3 | 30 | 37 |
| The number of family members | 2.6 | 0.7 | 1 | 6 |
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