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Table 5 Discriminant validity of GOHAI and OHIP-14 in univariate and multivariate analysis using 25 th and 75 th percentile for ADD and SC scores respectively

From: Comparison of the OHIP-14 and GOHAI as measures of oral health among elderly in Lebanon

  n GOHAI   OHIP-14  
   ADD<39.75 SC>7 ADD<58 SC>4
Recruitment setting Dispensary § 122 41 (33.6%) 42 (34.4%) 39 (32.0%) 32 (26.2%)
  Private 84 10 (11.9%)* 10 (11.9%)* 16 (19.0%)+ 15 (17.9%)
  ORcrude (95% CI)   3.75 (1.75; 8.00) 3.89 (1.82; 8.30) 2.00 (1.03; 3.88) 1.64 (0.82; 3.26)
  ORadjusted (95% CI)   5.15 (1.87; 14.20) 4.63 (1.78; 12.04) 2.19 (0.97; 4.93) 1.62 (0.72; 3.64)
Age ≥ 76 years 50 17 (34.0%) 18 (36.0%) 18 (36.0%) 16 (32.0%)
  65-76 years 156 35 (22.4%) 35 (22.4%) 37 (23.7%) 32 (20.5%)
  ORcrude (95% CI)   1.78 (0.89; 3.57) 1.94 (0.97; 3.90) 1.81 (0.91; 3.59) 1.82 (0.90; 3.71)
  ORadjusted (95% CI)   3.03 (1.03; 8.92) 3.05 (1.12; 8.30) 2.89 (1.10; 7.58) 2.89 (1.08; 7.75)
Gender Women 123 35 (28.5%) 35 (28.5%) 37 (30.1%) 30 (24.4%)
  Men 83 16 (19.3%) 17 (20.5%) 18 (21.7%) 17 (20.5%)
  ORcrude (95% CI)   1.67 (0.85; 3.26) 1.54 (0.80; 2.99) 1.55 (0.81; 2.97) 1.25 (0.64; 2.46)
  ORadjusted (95% CI)   1.23 (0.53; 2.87) 1.23 (0.54; 2.81) 1.01 (0.47; 2.16) 0.87 (0.40; 1.88)
Perception of TMJ pain Present 34 18 (52.9%) 16 (47.1%) 20 (58.8%) 15 (44.1%)
  Absent 172 33 (19.2%)* 36 (20.9%)§ 35 (20.3%)* 32 (18.6%)§
  ORcrude (95% CI)   4.74 (2.19; 10.27) 3.36 (1.56; 7.23) 5.92 (2.57; 12.17) 3.45 (1.58; 7.52)
  ORadjusted (95% CI)   5.35 (2.04; 14.03) 3.54 (1.40; 8.96) 6.01 (2.51; 14.42) 3.28 (1.38; 7.81)
Perception of dry mouth Present 141 41 (29.1%) 40 (28.4%) 41 (29.1%) 36 (25.5%)
  Absent 65 10 (15.4%)+ 12 (18.5%) 14 (21.5%) 11 (16.9%)
  ORcrude (95% CI)   2.26 (1.05; 4.85) 1.75 (0.85; 3.61) 1.49 (0.75; 2.99) 1.68 (0.79; 3.57)
  ORadjusted (95% CI)   1.63 (0.67; 4.00) 1.39 (0.59; 3.30) 1.11 (0.51; 2.43) 1.40 (0.62; 3.18)
Number of FUs 0- 4 90 36 (40.0%) 38 (42.2%) 36 (40.0%) 31 (34.4%)
  5- 8 114 15 (13.2%)* 14 (12.3%)* 19 (16.7%)* 16 (14.0%)§
  ORcrude (95% CI)   4.40 (2.21; 8.75) 4.99 (2.48; 10.04) 3.33 (1.74; 6.38) 3.22 (1.62; 6.38)
  ORadjusted (95% CI)   2.73 (1.28; 5.82) 2.56 (1.20; 5.60) 2.15 (1.03; 4.51) 2.38 (1.14; 4.95)
Number of decayed teeth 7- 28 46 19 (41.3%) 19 (41.3%) 16 (34.8%) 15 (32.6%)
  0- 6 158 31 (19.6%)# 32 (20.3%)# 38 (24.1%) 31 (19.6%)
  ORcrude (95% CI)   2.88 (1.42; 5.84) 2.77 (1.37; 5.60) 1.68 (0.83; 3.42) 1.98 (0.95; 4.12)
  ORadjusted (95% CI)   3.75 (1.39; 10.07) 2.90 (1.13; 7.42) 1.07 (0.44; 2.58) 1.41 (0.59; 3.41)
Number of teeth 0- 21 163 47 (28.8%) 47 (28.2%) 47 (28.8%) 41 (25.2%)
  22- 28 43 4 (9.3%)# 6 (14.0%)+ 8 (18.6%) 6 (14.0%)
  ORcrude (95% CI)   3.95 (1.34; 11.67) 2.50 (1.01; 6.32) 1.77 (0.76; 4.10) 2.07 (0.82; 5.27)
  ORadjusted (95% CI)   5.78 (1.71; 19.57) 3.32 (1.08; 10.22) 1.90 (0.71; 5.07) 2.46 (0.87; 6.97)
  1. §: The referent categories are in the first row for all the explanatory variables.
  2. * p<0.0001, + p<0.05, # p<0.01, § p<0.001.