Table 1 Demographic information and descriptive statistics of mothers and children
Variables | Current study cohort | Total GUSTO cohort | p-value | ||
|---|---|---|---|---|---|
| Â | n | % | n | % | Â |
Male gender | 212/387 | 54.8 | 627 /1176 | 53.3 | 0.45 |
Presence of breastfeeding (1 mth) | 370/387 | 92.2 | 969 /1050 | 92.3 | 0.95 |
No smoking during pregnancy | 325/387 | 84.0 | 1052 / 1234 | 85.3 | 0.53 |
Birth Order | |||||
 1 | 184 | 47.5 | 541 | 45.2 | 0.78 |
 2 | 114 | 29.5 | 414 | 34.6 | |
 3 | 59 | 15.2 | 172 | 14.4 | |
  ≥ 4 | 30 | 7.8 | 69 | 5.8 | |
Maternal Education | |||||
 Post-secondary and below | 251 | 64.9 | 948 | 67.0 | 0.10 |
 University and above | 136 | 35.1 | 466 | 33.0 | |
Presence of bedtime reading | 123/387 | 31.8 | 160 / 538 | 29.7 | 0.50 |
| Â | Mean | SD | Mean | SD | Â |
Prenatal STAI-S score | 34.0 | 9.5 | 34.8 | 9.8 | 0.18 |
Prenatal EPDS score | 7.7 | 4.3 | 7.5 | 4.4 | 0.35 |
Prenatal BDI score | 8.3 | 6.2 | 8.5 | 6.2 | 0.60 |
Maternal General Mood factor | −0.02 | 0.3 | 0.00 | 0.3 | 0.24 |
Gestational Age, GA (weeks) | 38.8 | 1.3 | 38.6 | 1.6 | 0.04 |
Birth weight adjusted for GA z score | −0.03 | 1.0 | 0.1 | 1.2 | 0.06 |
Composite score on the Bayley Scales of Infant and Toddler Development at 24 months | 102.2 | 12.6 | – | – |  |
KBIT Composite IQ standard score | 92.1 | 15.0 | – | – | |
KBIT Verbal IQ standard score | 86.0 | 16.1 | – | – | |