| Variables | |
| Age (mean ± SD) | 30.4 ± 3.2 |
| Highest educational attainment (%) | |
| High school | 26.7 |
| College | 26.7 |
| University or more | 46.7 |
| Marital status (%) | |
| Single | 6.7 |
| Married | 86.7 |
| Divorce | 6.7 |
| Number of children (%) | |
| One | 53.3 |
| Two | 33.3 |
| Three or more | 13.3 |
| Age of their infants (mean ± SD months) | 6.9 ± 3.0 |