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Table 2 Sample description

From: Individual and contextual factors related to dental caries in underprivileged Brazilian adolescents

Individual variables n %
Sex   
Female 659 55.89
Male 520 44.11
Age (years)   
15 815 69.13
16 231 19.59
17 82 6.96
18 29 2.46
19 22 1.87
Number of persons in the family   
Up to 2 31 2.65
3 161 13.78
4 346 29.62
5 300 25.68
6 173 14.81
Over 6 157 13.44
Has a family member in prison   
No 1141 99.30
Yes 8 0.70
How would you classify the health of your teeth   
Excellent 69 5.88
Very good 229 19.51
Good 468 39.86
More or Less 363 30.92
Poor 45 3.83
When was the last time you went to the dentist   
I am undergoing treatment at present 274 24.89
Less than 6 months ago 329 29.88
7-12 months ago 158 14.35
13-24 months ago 52 4.72
Over 24 months ago 83 7.54
Don’t know/Don’t remember 205 18.62
Monthly family income   
Up to 1 minimum wage* 106 9.18
Over 1 up to 2 minimum wages 304 26.32
Over 2 up to 3 minimum wages 280 24.24
Over 3 up to 5 minimum wages 278 24.07
Over 5 up to 7 minimum wages 102 8.83
Over 7 up to 10 minimum wages 63 5.45
Higher than 10 minimum wages 22 1.90
Last visit to the dentist   
I am in treatment at the time 274 24.89
Less than 6 months 329 29.89
7-12 months ago 158 14.35
13-24 months ago 52 4.71
More than 24 months 83 7.54
Do not remember 205 18.62
Contextual variable n %
Social exclusion index   
-1 to -0.75 322 27.31
-0.74 to -0.5 267 22.65
-0.4 to -0.25 491 41.64
-0.24 to 0 60 5.10
0.1 to 0.25 24 2.03
0.26 to 0.5 12 1.02
0.6 to 0.75 3 0.25
  1. *Minimum wage at the time of the data collection  US$ 320.00.
  2. Piracicaba, SP, Brazil, 2012.