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Table 4 Factors associating with OIDP prevalence and extent in adults. State of São Paulo, Brazil, 2015

From: Is reduced dentition with and without dental prosthesis associated with oral health-related quality of life? A cross-sectional study

Covariates OIDP prevalencea Unadjusted Prevalence Ratiob OIDP extentc Unadjusted count ratiod
Personal characteristics and socioeconomic conditions
 Sex
  Male 44.9 (39.8,50.2) 1 1.4 (1.2,1.7) 1
  Female 56.7 (53.0,60.3) 1.26***(1.13,1.41) 2.0 (1.8,2.2) 1.40***(1.23,1.60)
 Race/Skin color
  White 47.6 (43.6,51.6) 1 1.6 (1.4,1.8) 1
  Brown 61.6 (57.2,65.8) 1.29***(1.19,1.40) 2.1 (1.8,2.3) 1.28***(1.13,1.45)
  Black 61.1 (52.8,68.8) 1.28**(1.11,1.48) 2.3 (1.8,2.7) 1.39**(1.14,1.71)
  Others 60.5 (44.1,74.8) 1.27 (0.97,1.67) 2.2 (1.5,3.0) 1.37 (0.96,1.94)
 Age group
  35,39 52.2 (48.7,55.7) 1 1.8 (1.6,1.9) 1
  40,44 54.0 (49.8,58.2) 1.03 (0.97,1.10) 1.9 (1.6,2.1) 1.05 (0.94,1.17)
 Income
   > USD$ 658,00 42.4 (37.6,47.5) 1 1.1 (0.9,1.3) 1
  USD$ 132,00 to 657,00 55.2 (51.1,59.2) 1.30*** (1.16,1.46) 1.9 (1.8,2.1) 1.70***(1.40,2.07)
   < USD$ 131,00 64.1 (51.9,74.7) 1.51***(1.22,1.87) 2.7 (1.9,3.4) 2.38***(1.68,3.37)
 Education (Years of study)
   > 11 46.3 (41.7,50.9) 1 1.4 (1.2,1.5) 1
  8,10 52.8 (47.2,58.4) 1.14***(1.02,1.27) 1.9 (1.6,2.1) 1.38***(1.23,1.55)
  4,7 64.2 (58.6,69.5) 1.39***(1.23,1.56) 2.5 (2.2,2.8) 1.82***(1.59,2.08)
   < 4 years 63.9 (56.7,70.6) 1.38***(1.21,1.58) 2.7 (2.2,3.2) 1.98***(1.64,2.37)
Health services
 Time since last dentist visit
  < 12 months 48.7 (44.5,52.8) 1 1.6 (1.4,1.8) 1
 1–2 years 54.5 (49.3,59.7) 1.12*(1.02,1.23) 1.8 (1.6,2.0) 1.11 (0.98,1.26)
  > 2 years 64.7 (60.0,69.1) 1.33***(1.21,1.46) 2.4 (2.2,2.7) 1.50***(1.31,1.73)
 Has not visited 31.8 (18.0,49.8) 0.65 (0.39,1.09) 0.9 (0.3,1.6) 0.60 (0.31,1.15)
Dental conditions
 DMFT
  0–10 48.7 (42.4,55.1) 1 1.6 (1.3,1.9) 1
  11–20 51.6 (47.8,55.4) 1.06 (0.93,1.20) 1.7 (1.5,1.9) 1.07 (0.89,1.30)
   > 21 61.0 (55.7,66.1) 1.25***(1.12,1.40) 2.4 (2.1,2.7) 1.55***(1.33,1.82)
 Untreated caries
  0 41.2 (37.2,45.2) 1 1.2 (1.0,1.3) 1
  1–3 58.7 (53.5,63.9) 1.43***(1.29,1.59) 2.0 (1.7,2.2) 1.68***(1.45,1.96)
  4–6 63.4 (56.4,69.8) 1.54***(1.36,1.74) 2.4 (2.1,2.7) 2.05***(1.77,2.38)
   > 7 70.8 (60.6,79.3) 1.72***(1.47,2.02) 3.4 (2.7,4.1) 2.93***(2.31,3.71)
 Bleeding on probing
  No 46.8 (42.8,50.9)   1.5 (1.3,1.6) 1
  Yes 61.5 (55.8,66.9) 1.31***(1.17,1.48) 2.3 (1.9,2.6) 1.54***(1.30,1.83)
 Dental calculus
  No 46.1 (41.3,50.9) 1 1.4 (1.2,1.6) 1
  Yes 58.7 (53.9,63.4) 1.27**(1.12,1.44) 2.1 (1.9,2.4) 1.48***(1.25,1.74)
 Presence of periodontal pockets
  No 48.2 (44.7,51.7)   1.5 (1.4,1.7) 1
  Shallow pockets 66.2 (60.3,71.6) 1.37***(1.25,1.50) 2.6 (2.2,2.9) 1.66***(1.44,1.90)
  Deep pockets 73.7 (64.3,81.3) 1.53***(1.34,1.74) 2.6 (2.1,3.2) 1.7***(1.4,2.0)
Symptoms status
 Dental pain
  No 41.2 (36.6,46.0) 1 1.1 (1.0,1.3) 1
  Yes 78.8 (73.6,83.4) 1.91***(1.70,2.16) 3.3 (2.9,3.6) 2.93***(2.58,3.33)
Capital Social
 Probability of cooperation
  Much or relatively likely 51.0 (47.1,54.9) 1 1.7 (1.6,1.9) 1
  Neither likely nor unlikely 59.9 (52.8,66.6) 1.17* (1.04,1.32) 1.9 (1.7,2.1) 1.11 (0.98,1.26)
  Much or relatively unlikely 56.3 (50.6,61.8) 1.10 (0.99,1.23) 2.1 (1.8,2.4) 1.21*(1.03,1.43)
 Feeling of safe
  Much or relatively safe 47.8 (44.3,51.4) 1 1.5 (1.4,1.7) 1
  Neither safe nor unsafe 52.8 (44.3,61.1) 1.10 (0.92,1.32) 1.9 (1.5,2.2) 1.22 (0.97,1.53)
  Much or relatively unsafe 62.9 (57.6,68.0) 1.32*** (1.20,1.44) 2.3 (2.0,2.7) 1.52***(1.30,1.79)
 Self-perception of happiness
  Much or relatively happy 51.1 (47.4,54.8) 1 1.7 (1.5,1.8) 1
  Neither help nor unhappy 62.1 (53.9,69.5) 1.21** (1.06,1.39) 2.7 (2.3,3.0) 1.59***(1.37,1.86)
  Much or relatively unhappy 71.9 (58.2,82.4) 1.41*** (1.19,1.65) 3.2 (2.7,3.8) 1.94***(1.63,2.31)
Oral health perception
 Self-perception of need of dental treatment
  No 24.2 (20.4,28.6) 1 0.5 (0.4,0.7) 1
  Yes 59.8 (56.3,63.2) 2.47***(2.11,2.88) 2.1 (1.9,2.3) 3.99***(3.20,4.97)
 Self-perception of need of dental prosthesis
  No 48.1 (44.5,51.8) 1 1.5 (1.4,1.7) 1
  Yes 74.5 (69.7,78.9) 1.55***(1.42,1.68) 3.2 (2.9,3.6) 2.13***(1.87,2.44)
  1. aProportion (95% confidence intervals) of individuals who answered “yes” to at least one OIDP question. Estimates considered weighting and complex sampling design. bUnadjusted Prevalence ratio and 95% confidence intervals. cMean of OIDP extent (95% confidence intervals). dCount ratio and 95% confidence intervals. Estimates considered weighting and complex sampling design. * p < 0.05, ** p < 0.01, *** p < 0.001