Table 1. Estimated number of smokers and prevalences of tobacco use among students according to consumption level, sex, age range, and macro-region. ERICA, Brazil, 2013-2014.
| Variable | nest a | Brazil | North | Northeast | Midwest | Southeast | Sout | ||||||
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| % | 95%CI | % | 95%CI | % | 95%CI | % | 95%CI | % | 95%CI | % | 95%CI | ||
| Tobacco experimentationb | |||||||||||||
| Male | 956,348 | 18.8 | 17.7-19.9 | 20.2 | 18.9-21.4 | 15.7 | 13.7-18.0 | 21.8 | 18.9-25.2 | 18.5 | 16.8-20.3 | 22.4 | 20.0-25.1 |
| 12-14 | 284,045 | 10.5 | 9.4-11.7 | 11.6 | 10.2-13.1 | 8.9 | 6.6-12.0 | 12.0 | 10.1-14.2 | 9.1 | 7.6-11.0 | 17.8 | 14.6-21.5 |
| 15-17 | 672,303 | 28.0 | 26.4-29.8 | 29.7 | 27.7-31.7 | 23.3 | 20.3-26.5 | 32.8 | 27.2-38.9 | 29.1 | 26.4-32.0 | 27.8 | 24.9-30.9 |
| Female | 924,018 | 18.3 | 17.2-19.4 | 18.2 | 16.8-19.8 | 14.6 | 13.3-16.0 | 21.1 | 19.3-23.1 | 18.1 | 16.1-20.1 | 24.3 | 21.3-27.4 |
| 12-14 | 294,112 | 11.1 | 9.9-12.3 | 12.3 | 10.8-14.1 | 9.4 | 7.6-11.4 | 13.0 | 11.0-15.2 | 9.7 | 7.9-11.8 | 18.3 | 14.6-22.7 |
| 15-17 | 629,906 | 26.2 | 24.4-28.2 | 24.8 | 22.8-26.9 | 20.3 | 18.5-22.1 | 27.4 | 24.0-31.0 | 31.0 | 27.6-34.7 | 30.0 | 26.3-33.9 |
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| Total | 1,880,367 | 18.5 | 17.7-19.4 | 19.2 | 18.1-20.4 | 15.2 | 13.9-16.5 | 21.5 | 19.9-23.1 | 18.3 | 16.9-19.8 | 23.3 | 21.5-25.3 |
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| Current tobacco usec | |||||||||||||
| Male | 310,039 | 6.0 | 5.5-6.7 | 6.6 | 5.6-7.6 | 5.1 | 4.0-6.2 | 6.9 | 5.3-8.5 | 6.1 | 5.1-7.1 | 7.0 | 5.1-8.9 |
| 12-14 | 105,006 | 3.9 | 3.2-4.6 | 4.0 | 3.1-5.0 | 2.4 | 1.5-3.3 | 4.0 | 2.4-5.7 | 4.1 | 2.8-5.3 | 5.6 | 3.7-7.5 |
| 15-17 | 205,033 | 8.5 | 7.5-9.6 | 9.4 | 7.6-11.2 | 8.1 | 6.2-10.0 | 10.2 | 7.3 - 13.0 | 8.3 | 6.7-10.0 | 8.7 | 5.6-11.7 |
| Female | 269,024 | 5.3 | 4.8-5.8 | 5.1 | 4.3-6.1 | 4.2 | 3.4-5.1 | 5.7 | 4.6-6.8 | 5.2 | 4.5-6.0 | 7.6 | 5.7-9.5 |
| 12-14 | 98,965 | 3.7 | 3.1-4.3 | 3.8 | 2.9-4.8 | 3.4 | 2.2-4.5 | 4.2 | 2.8-5.6 | 3.2 | 2.3-4.2 | 6.1 | 3.9-8.3 |
| 15-17 | 170,059 | 7.1 | 6.3-7.9 | 6.7 | 5.4-8.0 | 5.2 | 4.4-6.1 | 7.3 | 5.9-8.8 | 7.4 | 6.0-8.8 | 9.3 | 6.3-12.2 |
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| Total | 579,063 | 5.7 | 5.3-6.2 | 5.9 | 5.2-6.7 | 4.7 | 4.0-5.6 | 6.3 | 5.2-7.6 | 5.7 | 5.0-6.4 | 7.3 | 6.2-8.7 |
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| Smoked for seven consecutive daysd | |||||||||||||
| Male | 136066 | 2.7 | 2.3-3.1 | 2.3 | 1.9-2.9 | 1.7 | 1.1-2.4 | 4.5 | 3.0-6.9 | 2.7 | 2.1-3.5 | 3.3 | 2.6-4.4 |
| 12-14 | 29,515 | 1.1 | 0.8-1.4 | 0.8 | 0.5-1.3 | 1.1 | 0.5-2.2 | 1.6 | 1.0-2.6 | 0.8 | 0.5-1.4 | 2.1 | 1.2-3.8 |
| 15-17 | 106,551 | 4.4 | 3.7-5.3 | 4.0 | 3.1-5.1 | 2.3 | 1.7-3.2 | 7.8 | 4.7-12.7 | 4.8 | 3.7-6.3 | 4.8 | 3.7-6.1 |
| Female | 113,968 | 2.3 | 1.9-2.7 | 2.0 | 1.4-2.9 | 1.2 | 0.8-1.8 | 3.0 | 2.4-3.7 | 2.3 | 1.7-3.0 | 3.7 | 2.7-5.1 |
| 12-14 | 29,758 | 1.1 | 0.9-1.4 | 1.6 | 1.0-2.7 | 0.8 | 0.4-1.6 | 1.6 | 0.9-2.9 | 1.0 | 0.7-1.5 | 1.5 | 0.9-2.3 |
| 15-17 | 84,210 | 3.5 | 2.8-4.2 | 2.5 | 1.7-3.5 | 1.7 | 1.7-2.4 | 4.5 | 3.5-5.8 | 3.7 | 2.6-5.1 | 6.3 | 4.3-8.9 |
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| Total | 250,034 | 2.5 | 2.2-2.8 | 2.2 | 1.7-2.7 | 1.5 | 1.1-1.9 | 2.5 | 1.9-3.1 | 3.5 | 2.9-4.3 | 3.8 | 2.8-5.1 |
a nest: estimated number of smokers using population estimates based on processing of microdata from IBGE’s 2000 and 2010 Demographic Sensusesb.
b Tobacco experimentation – tried smoking cigarettes at least once in life.
c Current tobacco use – smoked at least one day over the previous 30 days.
d Smoked for seven consecutive days – smoked for at least seven consecutive days in life.