Table 2. Associations between smoking risk perceptions, sociodemographic characteristics, and history of parental smoking, São Paulo, Brazil, 2014 (n=180).

	Low to moderate risk				High risk
	OR (95%CI)*	p-value	aOR (95%CI)* †	p-value	OR (95%CI)	p-value	aOR (95%CI)	p-value
Non-smoking mother	4.33 (1.44-12.96)	0.009	3.91 (1.27-12.02)	0.031	1.86 (0.74-4.69)	0.186	1.65 (0.62-4.34)	0.310
Neighborhood
Capão Redondo	1.26 (0.47-3.38)	0.647	1.92 (0.66-5.54)	0.227	2.04 (0.83-5.07)	0.121	3.00 (1.11-8.12)	0.030
Sex
Male	1.71 (0.60-4.81)	0.307	1.75 (0.56-5.42)	0.328	2.54 (0.99-6.62)	0.550	2.92 (1.02-8.41)	0.047
Socioeconomic status‡
Low	0.13 (0.02-0.66)	0.014	0.11 (0.02-0.63)	0.013	0.15 (0.03-0.78)	0.022	0.12 (0.02-0.63)	0.013

95%CI = 95% confidence interval; aOR = adjusted odds ratio; OR = odds ratio; SES = socioeconomic status.

^*Multiple polynomial analyses. No risk as reference.

^†Model adjusted by sex and SES, as described in the Methods section.

^‡Socioeconomic status classification by Associação Brasileira de Empresas de Pesquisa (ABEP) criterion, where high SES = classes A/B and low SES = classes C/D/E.¹¹