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Table 2 Gingivitis prevalence and extent in 12-year-old Puerto Ricans by gender and type of school, 2011

From: Prevalence of gingivitis and calculus in 12-year-old Puerto Ricans: a cross-sectional study

    Gingivitis Limited Gingivitis Extensive Gingivitis BOP% Sites
Strata N Wt N % 95% CI p-value1a % 95% CI p-value2b % 95% CI p-value2 Mean SE 95% CI p-value3c
Gender
 Female 841 814 79.57 (74.16–84.98) 0.54 18.75 (14.30–23.20) 0.48 60.82 (54.43–67.21) 0.64 17.69 0.932 (15.85–19.54) 0.83
 Male 745 773 81.29 (77.40–85.17) 20.48 (16.58–24.39) 60.80 (55.21–66.39) 17.90 0.852 (16.21–19.58)
School type
 Rural-public 597 612 77.59 (70.92–84.26) 0.15 21.66 (17.36–25.97) 0.67 55.92 (47.81–64.03) 0.09 16.82 1.168 (14.47–19.17) <0.0005
 Urban-public 628 722 83.24 (78.07–88.40) 0.16 16.36 (12.09–20.62) 0.96 66.88 (60.40–73.36) 0.07 19.44 1.191 (17.05–21.83) <0.002
 Private 361 253 79.15 (69.64–88.66) 23.82 (17.08–30.56) 55.33 (44.75–65.91) 15.44 1.223 (12.94–17.94)
  1. 1ap-values were obtained from multivariate logistic regression models, which included gender, school type (3 categories), and health region (11 regions)
  2. 2bp-values were obtained from multivariate polytomous logistic regression models (outcome categories: extensive, limited, no gingivitis), which included gender, school type (3 categories), and health region (11 regions)
  3. 3cp-values were obtained from multivariate linear regression models, which included gender, school type (3 categories), and health region (11 regions)