| Table 1. Child and parental baseline characteristics of the IVF and SC study groups | |||
| Variable | IVF (n=79) | SC (n=79) | pvalue |
| Children current age (years) | 12.3±2.4 | 12.3±2.4 | 1.00 |
| Children age range (years) | 8-16 | 8-16 | 1.00 |
| Children sex distribution | 1.00 | ||
| Boys | 40 (51) | 40 (51) | |
| Girls | 39 (49) | 39 (49) | |
| Gestational age (weeks) | 29.1±2.3 | 28.3±2.2 | 0.04 |
| Birth weight (grams) | 1128±260 | 1073±230 | 0.17 |
| Multiple birth | 70 (89) | 10 (13) | 0.01 |
| Maternal age at birth (years) | 30±4.2 | 30±4.9 | 0.76 |
| Current maternal age (years) | 42.±4.1 | 42±5.3 | 0.78 |
| Current paternal age (years) | 46±3.8 | 46±4.7 | 0.75 |
| Maternal education level | 0.03 | ||
| Low | 2 (3) | 9 (11) | |
| Middle | 55 (70) | 57 (72) | |
| High | 22 (27) | 13 (17) | |
| Paternal education level | 0.34 | ||
| Low | 1 (1) | 2 (3) | |
| Middle | 55 (70) | 57 (72) | |
| High | 23 (29) | 20 (25) | |
| IVF: in vitro fertilization,SC: Spontaneous conception.Data presented as n (%) or mean ± standard deviation. | |||