Table 1.
Mean and frequency distribution of demographic characteristics
| Variable | Control group (n = 52) |
Intervention group (n = 51) |
|
|---|---|---|---|
| Mean ± SD | Mean ± SD | ||
| Age | 23.81 ± 4.30 | 25.16 ± 4.41 | |
| BMI (kg/m2) | 22.38 ± 1.52 | 22.71 ± 1.57 | |
| Gestation age (weeks) at study entry | 26.67 ± 0.73 | 26.71 ± 0.78 | |
| Frequency (percentage) | Frequency (percentage) | ||
| Educational attainment | Did not finish high school | 9 (17.3) | 10 (19.6) |
| Finished high school | 24 (46.2) | 22 (43.1) | |
| University education | 19 (37.3) | 19 (36.5) | |
| Employment status | Employed | 3 (5.8) | 4 (7.8) |
| Not employed | 49 (94.2) | 47 (92.2) | |