Table 2.
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.