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Table 4 Poisson regression results for substance use; Brazilian National School Health Survey (PeNSE), Brazil

From: Health-risk behavior differences between boarding and non-resident students: Brazilian adolescent National School Health Survey

Residing in EIsExperience smoking (yes)Smoked during the last 30 days (≥ 3 days)Experience drinking (yes)Drinking during the last 30 days (≥ 10 days)
Prevalence (%)PR (95% CI)PR adj (95% CI)Prevalence (%)PR (95% CI)PR adj (95% CI)Prevalence (%)PR (95% CI)PR adj (95% CI)Prevalence (%)PR (95% CI)PR adj (95% CI)
Non-residents18.21113.11151.8114.711
Boarding students23.71.31(1.22–1.39)1.12(1.03–1.21)22.31.69(1.47–1.96)1.68(1.42–1.99)521.00(0.96–1.05)0.97(0.93–1.01)11.32.32(2.02–2.66)2.12(1.79–2.50)
Residing in EIsExperience getting drunk (≥ 3 days)Previous drug use (yes)Used drugs in the last 30 days (≥ 3 days)
Prevalence (%)PR (95% CI)PR adj (95% CI)Prevalence (%)PR (95% CI)PR adj (95% CI)Prevalence (%)PR (95% CI)PR adj (95% CI)
Non-residents12.5118.41121.711
Boarding students20.11.60(1.45–1.77)1.51(1.35–1.71)12.11.45(1.32–1.59)1.23(1.10–1.38)33.21.61(1.46–1.77)1.59(1.31–1.94)
  1. The analysis was conducted using the Poisson regression model with robust variance. The effect measure is the PR with its respective 95% CI. The model was adjusted for confounding variables: municipality, school, class shift, sex, age, region of Brazil and mother’s schooling
  2. PR adj: adjusted prevalence ratio; CI: confidence interval. EIs: Educational Institutions
  3. Bolded p-values denote significance (p < .05)