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Table 1 Respondent characteristics compared to population estimates

From: Self-rated dental health and dental insurance: modification by household income

  Dentate respondents n = 1052 (a)Population estimates n = 4010
  Per cent (95% CIs) Per cent (95% CIs)
Sex
 Male 42.3 (39.3,45.3) 49.8 (47.6, 52.0)
 Female 57.7 (54.7,60.7) 50.2 (48.0, 52.4)
Age group (years)
 30 – 39 24.7 (22.1,27.3) 34.2 (32.0, 36.6)
 40 – 49 32.9 (30.0,35.7) 32.7 (30.7, 34.8)
 50 – 61 42.5 (39.5,45.5) 33.0 (31.2, 35.0)
Tooth brushing
 Less than twice a day 42.9 (39.9,45.9) n.a.  
 Twice a day or more 57.1 (54.1,60.1) n.a.  
Income group
 <$40 000 20.7 (18.2,23.3) 21.7 (19.3,24.2)
 $40 000 – < $80 000 31.6 (28.7,34.5) 33.0 (30.4,35.7)
 $80 000+ 47.7 (44.5,50.7) 45.3 (42.5,48.2)
 $80 000 – < $120 000 26.0 (23.2,28.7) n.a.  
 $120 000+ 21.7 (19.1,24.2) n.a.  
Dental insurance
 Insured 53.9 (43.1,49.1) 59.1 (56.9, 61.2)
 Uninsured 46.1 (50.9,56.9) 40.9 (38.8, 43.1)
Self-rated dental health
 Poor/fair 27.5 (24.8,30.2) 19.8 (18.0, 21.8)
 Good to excellent 72.5 (69.8,75.2) 80.2 (78.2, 82.0)
  1. (a)Population comparison estimates derived from the 2010 National Dental Telephone Interview Survey (NDTIS), participants aged 30–61 years. Income categories were not comparable with current study; in the 2010 NDTIS the highest income category was $110,000 or more.
  2. n.a.: denotes not available.