Table 1

Prevalence of regular smoking* according to socio-demographic characteristics among school adolescents in 26 Brazilian state capitals and the Federal District

Socio-demographic characteristicsPrevalence % (95% CI)OR (95% CI)p Value
Sex
 Male6.4 (5.9 to 6.9)1.000.789
 Female6.3 (5.7 to 6.9)0.98 (0.86 to 1.12)
Age (years)
 <133.5 (2.9 to 4.2)1.00<0.001
 144.8 (0.4 to 0.5)1.40 (1.15 to 1.71)
 159.7 (8.7 to 10.7)2.99 (2.37 to 3.76)
 16+14.4 (12.9 to 16.0)4.69 (3.76 to 5.85)
Ethnic group/colour
 White6.3 (5.7 to 6.9)1.000.101
 Black7.2 (6.2 to 8.2)1.16 (0.97 to 1.38)
 Brown6.0 (5.4 to 6.6)0.95 (0.83 to 1.08)
 Yellow6.1 (4.5 to 6.6)0.97 (0.70 to 1.35)
 Indigenous7.7 (6.3 to 9.3)1.25 (1.01 to 1.54)
Education of the mother
 Graduate5.6 (4.8 to 6.6)1.000.001
 Incomplete undergraduate/complete middle school6.0 (5.3 to 6.7)1.07 (0.88 to 1.30)
 Incomplete middle school/complete primary education6.7 (5.7 to 7.8)1.21 (0.97 to 1.50)
 Incomplete primary education6.7 (5.9 to 7.5)1.20 (0.98 to 1.48)
 No schooling10.4 (8.3 to 10.1)1.96 (1.46 to 2.65)
 Can't inform5.9 (5.0 to 7.0)1.05 (0.83 to 1.34)
Index of household assets
 First tertile (lowest)6.3 (5.7 to 7.0)1.000.735
 Second tertile6.1 (5.5 to 6.7)0.96 (0.83 to 1.12)
 Third tertile (highest)6.4 (5.7 to 7.2)1.02 (0.87 to 1.19)
  • Source: National Adolescent School-based Health Survey (PeNSE, 2009).

  • * Report of having smoked cigarettes at least once in the past 30 days preceding the questionnaire.