Table 2.

Repeated-measures regression models predicting mothers’ frequency of encouraging bottle-emptying across months 2–6, Infant Feeding Practices Study 2 (USA)

	Model 1			Model 2
Term	Estimate	se	P value	Estimate	se	P value
Intercept	2·386	0·048	<0·0001	4·244	0·380	<0·0001
Time	−0·005	0·007	0·495	−0·005	0·007	0·502
BFI	0·004	0·001	<0·0001	0·004	0·001	<0·0001
BFI×time	−0·001	0·001	0·032	−0·001	0·001	0·061
Milk type (breast milk)	0·1444	0·030	<0·0001	0·141	0·030	<0·0001
Birth weight				−0·083	0·025	0·001
Log(parity+1)				−0·303	0·120	0·011
Log(pre-pregnancy BMI)				−0·808	0·260	0·002

BFI, bottle-feeding intensity.