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Table 3 Poisson regression results for sexual behaviors; 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 EIs

Sexual intercourse (yes)

Age of first sexual intercourse (≤12 years old)

Number of sexual partners (≥2)

Condom use during last sexual intercourse (no)

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-residents

27.6

1

1

25.9

1

1

63.6

1

1

30.9

1

1

Boarding students

42.1

1.53(1.45–1.60)

1.17(1.10–1.25)

29

1.12(1.01–1.23)

1.06(0.95–1.19)

70.8

1.11(1.04–1.18)

1.05(0.98–1.13)

30.6

0.99(0.90–1.09)

0.99(0.88–1.11)the

  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)