Table 4. Adjusted Poisson regression analysis of the association between groups of alcohol and tobacco consumption and the Bayley developmental subscales in Ribeirão Preto, SP, Brazil, 2010/13.

Group	FMS		GMS		CS
	RR	95%CI	RR	95%CI	RR	95%CI
NC	1.00		1.00		1.00
AC	0.91	0.51; 1.62	0.91	0.53; 1.55	0.97	0.65; 1.44
TC	0.56	0.18; 1.72	1.65	0.88; 3.10	0.77	0.39; 1.52
ACTC	2.81	1.65; 4.77	1.49	0.77; 2.87	1.04	0.58; 1.86

Model adjusted for maternal schooling and age, economic class, marital status, and depressive symptoms. NC: no consumption; AC: only alcohol consumption; TC: only tobacco consumption; ACTC: alcohol and tobacco consumption; FMS: Fine motor subscale; GMS: Gross motor subscale; CS: Cognitive subscale.