Table 3.

Univariate pearson correlations between developmental domains and significant predictors

Domain	Predictor	r	95% CI	p	Effect size
Communication	Sex	−0.181	−0.343 to − 0.009	0.044	small
	Birth weight	0.186	0.014 to 0.348	0.038	small
	Daily parent–infant verbal interaction	0.188	0.016 to 0.350	0.036	small
Gross Motor	Birth weight	0.253	0.084 to 0.405	0.002	small–moderate
	Exclusive breastfeeding	0.177	0.004 to 0.339	0.025	small
Fine Motor	Exclusive breastfeeding	0.216	0.047 to 0.373	0.016	small
Problem Solving	Birth weight	0.212	0.043 to 0.370	0.018	small
Personal–Social	Birth weight	0.248	0.079 to 0.400	0.006	small–moderate
	Prenatal alcohol exposure	−0.288	−0.436 to − 0.128	0.002	upper small (approaching moderate)

Pearson correlation coefficients (two-tailed)

95% confidence intervals were calculated using Fisher’s z transformation

Only statistically significant associations (p < 0.05) are presented