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Selected maternal characteristics of participating/nonparticipating children.
| Characteristic | Included in the analysis (n = 244) | Exclusions (n = 80) | Lost to follow-up (n = 30) |
|---|---|---|---|
| Age [years (mean ± SD)] | 21.7 ± 3.9 | 22.3 ± 4.2 | 22.1 ± 4.6 |
| Education [years (mean ± SD)] | 10.6 ± 3.1 | 11.3 ± 3.4 | 9.8 ± 2.8 |
| Paid occupation (%) | 44.7 | 53.7 | 43.3 |
| Parity > 1 (%) | 18.4 | 17.5 | 20.0 |
Statistical tests used were t-test for age, education, and birth-weight, and chi-square for occupation and parity.
