Table 2. Multiple hierarchical model to identify the factors associated with the exclusive use of pacifiers in children aged under one year. State capitals and Federal District, Brazil, 2008.

Variable	PRadjusted	95%CI	p
Model 1a
Maternal work			0.017d
Not working outside the home	1
On maternity leave	1.11	0.96;1.27	0.139
Working outside the home	1.18	1.01;1.37	0.034
Primiparity
No	1
Yes	1.28	1.15;1.42	< 0.001
Model 3b
Breastfed within the first hour after birth
Yes	1
No	1.15	1.03;1.29	0.014
Model 4c
Ingested tea on the first day after birth
No	1
Yes	1.37	1.05;1.79	0.020

^a Model 1: work, primiparity, and infant age.

Model 2: Model 1 + infant gender and type of delivery.

^b Model 3: Model 2 + breastfeeding within the first hour.

^c Model 4: Model 3 + consumption of tea on the first day after hospital discharge.

^d Linear trend test.