Skip to main content

Table 4 Multivariate odds ratios (ORs) and 95% confidence intervals (CIs) for tertiles of quality of life score (lowest tertile was used as the reference), according to predictorsa, among all participants (Weighted N = 1807)

From: Association between gingival parameters and Oral health–related quality of life in Caribbean adults: a population-based cross-sectional study

Predictors Tertile 2 vs. Tertile 1 (ref.) Tertile 3 vs. Tertile 1 (ref.)
OR (95% CI) p-value OR (95% CI) p-value
Age, years 0.99 (0.98; 0.99) 0.027 0.99 (0.98; 0.99) 0.002
Gender
 Male 0.79 (0.64; 0.98) 0.032 0.54 (0.42; 0.68) < 0.001
 Female (ref.) 1.0 1.0
Level of education
 None/basic 1.08 (0.76; 1.53) 0.666 1.14 (0.76; 1.71) 0.519
 Middle/technical 1.11 (0.81; 1.51) 0.517 1.04 (0.76; 1.42) 0.820
 University (ref.) 1.0 1.0
Smoking
 Current 1.24 (0.85; 1.83) 0.264 2.13 (1.57; 2.88) < 0.001
 Past 1.01 (0.75; 1.35) 0.950 1.02 (0.69; 1.49) 0.930
 Never (ref.) 1.0 1.0
Any diseases/conditions
 Yes 0.93 (0.74; 1.16) 0.512 1.39 (1.10; 1.76) 0.005
 No (ref.) 1.0 1.0
Number of missing teeth 1.04 (1.01; 1.07) 0.019 1.05 (1.02; 1.08) < 0.001
Mean gingival index 1.52 (1.10; 2.11) 0.012 2.24 (1.69; 2.97) < 0.001
Mean plaque index 1.00 (0.53; 1.89) 0.992 1.63 (0.81; 3.29) 0.175
Mean calculus index 1.13 (0.73; 1.73) 0.591 0.92 (0.62; 1.35) 0.663
Frequency of dental visits
  ≥ Once per year (ref.) 1.0 1.0
 Never 0.54 (0.27; 1.06) 0.073 1.02 (0.46; 2.25) 0.963
 Only when there is a problem 1.09 (0.71; 1.67) 0.687 1.58 (1.07; 2.32) 0.020
 Missing 0.68 (0.33; 1.41) 0.300 1.39 (0.86; 2.24) 0.184
Use of dental floss
 Yes 1.04 (0.81; 1.35) 0.745 0.96 (0.70; 1.31) 0.790
 No (ref.) 1.0 1.0
Location
 Kingston 0.70 (0.51; 0.95) 0.020 0.57 (0.34; 0.94) 0.028
 Santo Domingo 0.76 (0.54; 1.08) 0.127 0.83 (0.57; 1.19) 0.311
 San Juan (ref.) 1.0 1.0
  1. aOdds ratio estimates were obtained from a multinomial logistic regression model, with all listed variables as predictors and the three-level categorical OHIP score (tertile) as the outcome, using the lowest tertile (best summary quality of life score) as the reference