Table 4. Univariate and multivariate associations between mode of feeding and Index of Multiple Deprivation (IMD) on infant temperament.

	Surgency/Extraversion		Negative affectivity		Orienting/Regulation
	B (SE)	P-value	B (SE)	P-value	B (SE)	P-value
Univariate models:
Mode of feeding at 3mo		0.0003		0.03		0.01
Formula-fed	0.36 (0.1)		−0.22 (0.08)		0.36 (0.1)
Mixed-fed	−0.04 (0.1)		−0.04 (0.08)		−0.04 (0.1)
Breast-fed	0 (Ref)		0 (Ref)		0 (Ref)
IMD	0.03 (0.01)	0.01	0.01 (0.01)	0.4	−0.04 (0.1)	0.09
Multivariate model:
Mode of feeding at 3mo		0.0006		0.03		0.01
Formula-fed	0.35 (0.1)		−0.22 (0.08)		0.36 (0.1)
Mixed-fed	−0.02 (0.1)		−0.03 (0.08)		−0.04 (0.1)
Breast-fed	0 (Ref)		0 (Ref)		0 (Ref)
IMD	0.02 (0.01)	0.03	0.01 (0.01)	0.4	−0.04 (0.1)	0.1

B: regression coefficient.