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. 2015 Jul 15;10(7):e0132254. doi: 10.1371/journal.pone.0132254

Table 1. Prevalence rates and confidence intervals for poor self-rated health among adolescents by socio-demographics, social support, and age group; Belo Horizonte, 2008–2009.

  11 to 13 years 14 to 17 years
Characteristics (n = 435)  (n = 600)
  % CI 95% P-value # % CI 95% P-value #
SOCIO-DEMOGRAPHICS
Gender Male 8.30 2.81–13.80 0.67 10.89 7.15–14.62 0.09
Female 6.91 3.01–10.81 16.95 10.81–23.09
Monthly family income < 5 MW 8.16 4.11–12.21 0.47 15.57 11.11–20.02 0.09
≥ 5 MW 5.39 0.00–10.93 9.39 4.70–14.07
SOCIAL SUPPORT
Family structure
Nuclear 7.76 3.22–12.30 0.92 11.37 7.42–15.32 0.01
Blended 5.83 0.00–16.98 27.81 14.44–41.18
Single-parent 8.19 2.20–14.19 13.40 7.01–19.79
Arguments in the family No arguments 2.94 0.00–6.71 0.09 6.89 2.80–10.98 < 0.0001
Few arguments 10.12 4.72–15.52 11.52 7.09–15.95
Many arguments 13.70 0.00–28.06 38.83 25.82–51.86
Meals with parents ≥ 2 times/week 7.48 3.52–11.44 0.78 12.57 8.91–16.24 0.24
< 1 times/week 8.63 1.60–15.65 17.78 9.16–24.41
Conversations with parents Occasionally or frequently 5.64 2.39–8.90 0.02 12.93 9.41–16.45 0.31
Rarely or never 17.37 4.99–29.75 18.20 7.69–28.71
Interest in the school life of the adolescent Father, mother, or both 7.52 3.61–11.42 0.19 12.24 8.35–16.13 0.46
Another family member 5.60 0.00–11.79 13.99 4.11–23.89
No one shows interest 18.89 1.29–36.49 19.13 8.37–29.88
Relationship with parents Good 6.68 3.17–10.20 0.08 12.24 8.81–15.67 0.01
Bad 18.11 10.03–35.21 29.81 13.80–45.82
Behind in school No 6.65 3.97–10.09 0.43 11.30 7.22–15.37 0.15
Yes 10.35 8.17–19.89 16.41 10.52–22.31
Likes school Yes 6.50 3.01–9.99 0.004 12.51 8.81–16.22 0.46
No 28.17 6.01–50.34 16.08 6.86–25.29
Type of school Private 1.01 0.00–3.01 0.01 16.22 7.85–24.60 0.41
Public 8.66 4.60–12.74 12.49 8.63–16.35
Considers friends “nice and helpful” Yes 7.37 3.77–10.97 0.56 12.69 9.15–16.24 0.04
No 11.70 0.00–28.54 27.28 10.42–44.14
Feels unsafe walking in the neighborhood No 10.12 4.69–15.54 0.10 11.49 7.37–15.61 0.13
Yes 4.97 1.36–8.59 16.32 11.26–21.38

MW—minimum wage.

#P-value obtained through Pearson's chi-square test.

CI—confidence interval.