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. 2013 Dec 2;3(12):e003538. doi: 10.1136/bmjopen-2013-003538

Table 2.

OR of regular smoking* according to adolescents’ sociodemographic features and household socioeconomic and smoking characteristics; Brazil—2008

Characteristics OR (95% CI) p Value
Adolescents’ characteristics
Sex
 Male 1.00 <0.01
 Female 0.47 (0.33 to 0.64)
Age (years)
 15–16 1.00 <0.01
 17–19 3.77 (2.63 to 5.39)
Self-declared race/skin colour
 White 1.00
 Black 1.70 (1.05 to 2.75) 0.030
 Brown 1.02 (0.77 to 1.36) 0.854
 Other† 0.65 (0.08 to 4.84) 0.672
Social status
 Full student 1.00
 Only working or working and studying 4.73 (3.22 to 6.92) <0.001
 Neither studying/Neither working 6.99 (4.56 to 10.70) <0.001
School delay (years)
 None 1.00
 One 2.33 (1.41 to 3.84) <0.001
 Two 3.40 (2.11 to 5.48) <0.001
 Three or more 6.56 (4.62 to 9.33) <0.001
Household characteristics
Urban/rural dwelling
 Urban 1.00
 Rural 0.80 (0.54 to 1.19) 0.287
Household per capita income
 5° quintile (highest) 1.00
 4° quintile 1.63 (1.05 to 2.51) 0.028
 3° quintile 1.03 (0.64 to 1.67) 0.314
 2° quintile 1.23 (0.78 to 1.96) 0.361
 1° quintile (lowest) 1.46 (0.93 to 2.28) 0.093
Head of the household schooling (years)
 0–8 1.00
 9–11 0.57 (0.37 to 0.88) 0.011
 12–14 0.59 (0.40 to 0.85) 0.005
 15+ 0.58 (0.29 to 1.16) 0.128
Female-headed household
 No 1.00
 Yes 1.02 (0.77 to 1.35) 0.855
Number of smokers
 Zero 1.00
 One 1.93 (1.42 to 2.63) <0.001
 Two 3.00 (1.98 to 4.53) <0.001
 Three or more 9.01 (4.45 to 18.19) <0.001
Household smoking rule
 Not allowed 1.00
 Generally not allowed 1.47 (0.93 to 2.30) 0.092
 Allowed 2.18 (1.61 to 2.94) <0.001

Source: Brazilian National Household Sample Survey (PNAD, 2008) and GATS 2008.

*Report of having smoked 100 cigarettes in lifetime and currently smoking every day or not every day.

†Included Asian descendent and Indigenous.

GATS, Global Adult Tobacco Survey; PNAD, Pesquisa Nacional por Amostragem de Domicilio.