Table 2 Multivariable logistic regression model for dental caries (n = 3868; method: backward)
Variables | OR | 95% CI | P value |
|---|---|---|---|
Age group | |||
12 years | 1 | NA | NA |
13 years | 1.176 | 0.971–1.425 | 0.096 |
14 years | 1.045 | 0.861–1.268 | 0.653 |
15 years | 1.322 | 1.092–1.601 | 0.004 |
Region | |||
Shouguang, Weifang | 1.397 | 1.140–1.711 | 0.001 |
Huancui, Weihai | 1.435 | 1.158–1.779 | 0.001 |
Hedong, Linyi | 1.12 | 0.923–1.360 | 0.252 |
Pingyi, Linyi | 1 | NA | NA |
Gender | |||
Female | 1.69 | 1.471–1.943 | < 0.001 |
Male | 1 | NA | NA |
An only child or not? | |||
Yes | 1 | NA | NA |
No | 1.253 | 1.065–1.474 | 0.007 |
Q12 self-evaluation of oral health condition | |||
Great | 1 | NA | NA |
Good | 1.415 | 1.0–2.003 | 0.05 |
General | 1.518 | 1.080–2.134 | 0.016 |
Poor | 2.633 | 1.82–3.896 | < 0.001 |
Severe | 3.346 | 1.783–6.278 | < 0.001 |
Q15 toothache in the past 12 months | |||
Usually | 2.207 | 1.391–3.501 | 0.001 |
Occasionally | 1.482 | 1.264–1.736 | < 0.001 |
Do not remember | 0.995 | 0.795–1.244 | 0.963 |
Never | 1 | NA | NA |
Q16 visited a dentist | |||
Yes | 1.728 | 1.501–1.990 | < 0.001 |
Never | 1 | NA | NA |
Q21f the impact of oral problems on sleeping | |||
Serious impact | 1.538 | 1.080–2.190 | 0.017 |
General impact | 0.998 | 0.749–1.330 | 0.991 |
Minor impact | 1.193 | 0.980–1.452 | 0.079 |
Unclear | 0.756 | 0.527–1.084 | 0.128 |
No impact | 1 | NA | NA |