Table 1 Baseline characteristics of children and parents participating in the intervention and control group a
Intervention (n = 34) | Control (n = 33) | |
|---|---|---|
Child characteristics | ||
Age, mean (SD), mo | 45.6 (10.0) | 43.6 (10.7) |
Males | 16 (47%) | 24 (73%) |
Children part of a twin/triplet | 5 (15%) | 4 (12%) |
BW, mean (SD), g | 1477.1 (849.3) | 1626.7 (876.3) |
GA, mean (SD), wk | 30.5 (4.2) | 30.8 (4.5) |
Abnormal cerebral ultrasound | ||
IVH grade 1-2 | 31 (91%) | 31 (94%) |
IVH grade 3-4 | 3 (9%) | 2 (6%) |
Perinatal asphyxia (term-born) | 3 (9%) | 5 (15%) |
NICU stay, mean (SD), d | 21.4 (20.1) | 18.6 (16.2) |
Family characteristics | ||
Maternal age, mean (SD), y | 34.1 (5.5) | 32.2 (5.2) |
Maternal ethnicity | ||
European | 33 (97%) | 33 (100%) |
North-African | 1 (3%) | 0 |
Firstborn child | 26 (77%) | 27 (82%) |
Maternal education, mean (SD), y | 14.5 (2.1) | 14.7 (2.0) |
Paternal education, mean (SD), y | 14.2 (2.8) | 14.8 (2.4) |
Family situation | ||
Nuclear family | 32 (94%) | 30 (91%) |
Stepfamily | 1 (3%) | 0 |
Single parent family | 1 (3%) | 3 (9%) |
Mother participated in observation | 115 (96%) | 123 (92%) |