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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)