Table 2. Univariate analysis of factors associated with occasional and regular tobacco consumption in students from public schools in the countryside of Goiás, in the Midwest region of Brazil.

Variable	Total	Lifetime tobacco consumption		Unadjusted PR		Regular tobacco consumption		Unadjusted PR

	(n = 701)^a	n	%	95%CI	p^b	n	%	95%CI	P^b
Age (years)
≤ 14	260	33	12.7	1.00				-	-
15–17	160	43	26.9	2.11 (1.40–3.18)	0.000	10	6.2	1.00
≥ 18	281	158	56.2	4.43 (3.16–6.19)	0.000	37	13.2	5.53 (2.79–10.94)	0.000
Gender
Female	363	102	28.1	1.00		16	4.4	1.00
Male	338	132	39.1	1.38 (1.12–1.71)	0.002	31	9.2	2.08 (1.15–3.73)	0.014
Children
No	557	155	27.8	1.00		30	4.5	1.00
Yes	144	79	54.9	1.97 (1.61–2.40)	0.000	17	11.8	2.19 (1.24–3.86)	0.007
Skin color
White	236	75	31.8	1.00		17	7.2	1.00
Non-white	465	159	34.2	1.07 (0.85–1.34)	0.525	30	6.5	0.89 (0.50–1.59)	0.707
Family nucleus
Family	673	217	32.2	1.00		45	6.7	1.00
Friends/Alone	28	17	60.7	1.88 (1.37–2.58)	0.000	7	7.1	1.06 (0.27–4.18)	0.925
Religion
Yes	611	195	31.9	1.00		34	5.6	1.00
No	90	39	43.3	1.35 (1.04–1.76)	0.023	13	14.4	2.59 (1.42–4.72)	0.002
Practices physical activity
Yes	361	108	29.9	1.00		22	6.1	1.00
No	340	126	37.1	1.23 (1.00–1.52)	0.046	25	7.4	1.20 (0.69–2.09)	0.506
Family APGAR
Good functionality	537	28.5	28.5	1.00		26	4.8	1.00
Moderate dysfunction	118	47	39.5	1.39 (1.07–1.81)	0.011	12	10.2	2.10 (1.09–4.04)	0.026
High dysfunction	46	34	73.9	2.59 (2.08–3.22)	0.000	9	19.2	4.04 (2.01–8.10)	0.000
Father or mother smokes
No	271	55	20.3	1.00		6	2.2	1.00
Yes	419	175	41.8	2.05 (1.58–2.67)	0.000	40	9.5	4.31 (1.85–10.00)	0.001

^a Number of valid responses.

^b Wald Chi-Squared test.