Table 1.
Socio-demographic background and oral health-related behaviours of the study Lisu children
| Variables (N = 482) | n | % |
|---|---|---|
| Socio-demographic background | ||
| Sex | ||
| Boy | 233 | 48.3 |
| Girl | 249 | 51.7 |
| Father’s education level | ||
| Primary school level, ≤ 6 years | 271 | 56.2 |
| Secondary school level or above, > 6 years | 211 | 43.8 |
| Mother’s education level | ||
| Primary school level, ≤ 6 years | 282 | 58.5 |
| Secondary school level or above, > 6 years | 200 | 41.5 |
| Monthly pocket money | ||
| Less than 50RMB (~ US$ 7) | 325 | 67.4 |
| More than 50RMB (~ US$ 7) | 157 | 32.6 |
| Oral health-related behaviours | ||
| Toothbrushing frequency (daily) | ||
| Less than twice | 315 | 65.4 |
| Twice or above | 167 | 34.6 |
| Sugary snacking habits | ||
| No | 335 | 69.5 |
| Yes | 147 | 30.5 |
| Sour food snacking habits | ||
| No | 360 | 74.7 |
| Yes | 122 | 25.3 |
RMB Renminbi (Chinese Yuen), US$ U.S. Dollar