Table 2.
Prevalence of dental caries and gingival bleeding according to sociodemographic background and oral health–related habits (N = 413).
| Variables | DMFT > 0 | p-Value | Gingival Bleeding | p-Value |
|---|---|---|---|---|
| Socio-demographic background | ||||
| Sex | 0.381 | 0.293 | ||
| Boy | 50% | 63% | ||
| Girl | 54% | 58% | ||
| Father’s education level | 0.444 | 0.034 * | ||
| Compulsory education level | 53% | 59% | ||
| Post-compulsory education level | 47% | 73% | ||
| Mother’s education level | 0.530 | <0.010 * | ||
| Compulsory education level | 53% | 58% | ||
| Post-compulsory education level | 48% | 76% | ||
| Monthly pocket money | 0.085 | 0.024 * | ||
| Up to 100 RMB (~US$ 7) | 48% | 57% | ||
| More than 100 RMB (~US$ 7) | 57% | 67% | ||
| Oral health-related habits | ||||
| Tooth brushing habit (daily) | 0.901 | 0.503 | ||
| Less than twice | 52% | 62% | ||
| Twice or more | 53% | 58% | ||
| Sugary snacking habit | 0.002 * | 0.874 | ||
| No | 45% | 61% | ||
| Yes | 61% | 62% | ||
| Sour food snacking habit | 0.750 | 0.246 | ||
| No | 53% | 63% | ||
| Yes | 51% | 57% |
DMFT: decayed, missing and filled teeth; RMB: renminbi (Chinese Yuen); US$: U.S. Dollar. *: p < 0.05.