Table 3 Multivariate analysis of breastfeeding and some Perinatal and Sociodemographic Factors and Hair Cortisol Concentration at Age 8
Cortisol concentration at 8 years | ||||
|---|---|---|---|---|
Univariate | Multivariate*) | |||
F-value | p-value | Beta | p-value | |
Gender (boys/girls) | 0.32 | 0.57 | ||
Birth weight (low, normal, high) | 1.86 | 0.16 | ||
Gestational age (early, normal, over time) | 0.81 | 0.45 | ||
Type of delivery (vaginal/section/other problems) | 9.31 | 0.01 | 0.25 | 0.01 |
Mother parity (firstborn, earlier parity) | 1.74 | 0.19 | ||
Age of mother at delivery (from 18 to 40 years of age) | 1.95 | 0.02 | - 1.08 | 0.28 |
Early psychosocial vulnerability in the family (index of 12 variables) | 0.25 | 0.86 | - 0.47 | 0.64 |
Mother smoking during pregnancy (non-smoker, smoker) | 8.62 | 0.01 | 0.19 | 0.03 |
Duration of breastfeeding (< 1 month - 10 months) | - 0.23 #) | 0.01 | - 2.82 | 0.01 |