Table 3 Adjusted prevalence ratios of good to excellent self-rated dental health stratified by household income group
From: Self-rated dental health and dental insurance: modification by household income
Income < $40,000 | Income $40,000– < $80,000 | Income $80,000– < $120,000 | Income ≥ $120,000 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PR | (95% CIs) | P | PR | (95% CIs) | P | PR | (95% CIs) | P | PR | (95% CIs) | P | |
n = 206 | n = 314 | n = 258 | n = 215 | |||||||||
Sex | ||||||||||||
Male | 1.05 | (0.81,1.36) | 0.706 | 1.10 | (0.97,1.24) | 0.141 | 0.83 | (0.72,0.96) | 0.014 | 0.89 | (0.79,1.01) | 0.069 |
Female (ref.) | – | – | – | – | ||||||||
Age group | ||||||||||||
30 – 39 (ref.) | – | – | – | – | ||||||||
40 – 49 | 0.89 | (0.65,1.20) | 0.439 | 1.03 | (0.89,1.19) | 0.678 | 1.10 | (0.94,1.28) | 0.239 | 0.95 | (0.81,1.12) | 0.555 |
50 – 61 | 0.70 | (0.51,0.95) | 0.023 | 0.93 | (0.8,1.09) | 0.372 | 1.05 | (0.90,1.23) | 0.525 | 0.81 | (0.68,0.97) | 0.024 |
Tooth brushing | ||||||||||||
Less than twice a day (ref.) | – | – | – | – | ||||||||
Twice a day or more | 1.33 | (1.03,1.71) | 0.029 | 1.20 | (1.05,1.38) | 0.009 | 1.11 | (0.96,1.29) | 0.154 | 1.08 | (0.94,1.24) | 0.263 |
Dental insurance | ||||||||||||
Insured | 1.38 | (1.07,1.78) | 0.014 | 1.20 | (1.05,1.37) | 0.007 | 1.10 | (0.96,1.26) | 0.184 | 1.00 | (0.85,1.17) | 0.997 |
Uninsured (ref.) | – | . | – | – | – | |||||||