Skip to main content

Table 4 Calculus prevalence and extent in 12-year-old Puerto Ricans by gender and school, 2011

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

    Total Calculus
(yes/no)
Supragingival Calculus Subgingival Calculusa
Strata N Wt
N
% 95% CI p-value2b % 95% CI p-value2b % 95% CI p-value2b
Gender
 Female 841 814 57.31 (51.10–63.51) 0.005 52.37 (46.27–58.47) 0.001 18.34 (13.35–23.32) 0.34
 Male 745 773 66.28 (60.95–71.60) 62.06 (56.59–67.65) 21.30 (16.72–25.88)
School Type
 Rural- public 597 612 52.68 (45.93–59.44) 0.63 46.07 (39.13–53.01) 0.47 20.80 (15.42–26.18) 0.02
 Urban- public 628 722 67.39 (59.49–75.29) 0.55 64.18 (56.57–71.80) 0.47 20.25 (13.73–26.76) 0.23
 Private 361 253 66.60 (57.23–75.98) 63.49 (55.08–71.89) 15.98 (7.94–24.01)
  1. aalone or accompanied by supragingival calculus
  2. 2bp-values were obtained from multivariate logistic regression models (outcome categories: supragingival, subgingival calculus, and none), which included gender, school type (3 categories), and health region (11 regions)