Variables | OR | 95% CI | P value |
---|---|---|---|
Age group | |||
12 years | 1 | NA | NA |
13 years | 1.566 | 1.227–2 | < 0.001 |
14 years | 1.366 | 1.074–1.736 | 0.011 |
15 years | 2.131 | 1.65–2.753 | < 0.001 |
Region | |||
Shouguang, Weifang | 1.236 | 0.972–1.573 | 0.084 |
Huancui, Weihai | 1.456 | 1.133–1.871 | 0.003 |
Pingyi, Linyi | 1.554 | 1.190–2.028 | 0.001 |
Hedong, Linyi | 1 | NA | NA |
Gender | |||
Male | 1.57 | 1.307–1.886 | < 0.001 |
Female | 1 | NA | NA |
Q5 frequency of brushing (n = 3356) | |||
≥ 2/day | 1 | NA | NA |
1/day | 1.421 | 1.158–1.742 | 0.001 |
< 1/day | 1.691 | 1.209–2.364 | 0.002 |
Q9a frequency of having sweets | |||
Seldom or never | 1.75 | 1.161–2.639 | 0.008 |
1–3/month | 1.37 | 0.944–1.988 | 0.098 |
1/week | 1.318 | 0.951–1.827 | 0.097 |
2–6/week | 1.311 | 0.981–1.752 | 0.067 |
1/day | 1.1 | 0.8–1.512 | 0.557 |
≥ 2/day | 1 | NA | NA |
Q16 whether visited a dentist | |||
Yes | 1 | NA | NA |
Never | 1.249 | 1.037–1.504 | 0.019 |