Table 1.
Untreated ECC prevalence and significant untreated ECC (SiUC) according to sex, birthplace and district they lived in.
| Variables (n = 404) | Untreated ECC Prevalence |
p-Value 1 | Mean dt (SD) |
Mean Rank of dt |
p-Value 2 | Mean SiUC (SD) |
p-Value 3 |
|---|---|---|---|---|---|---|---|
| All children | 57% | 2.8 (3.8) | 7.1 (3.6) | ||||
| Child lived in district | 0.003 | 0.002 | <0.001 | ||||
| Hong Kong Island a (54) | 43% | 1.5 (2.4) | 163 | a < b | 4.2 (2.5) | a < b, c | |
| Kowloon b (121) | 69% | 3.5 (4.1) | 227 | 8.3 (3.8) | |||
| New Territories c (229) | 55% | 2.7 (3.7) | 199 | 7.1 (3.4) | |||
| Born in mainland China | 0.174 | 0.077 | <0.001 | ||||
| Yes a (45) | 56% | 2.6 (3.6) | 198 | 6.8 (3.5) | |||
| No b (357) | 67% | 4.1 (4.8) | 229 | 10.1 (3.2) | a > b | ||
| Sex | 0.480 | 0.256 | 0.369 | ||||
| Boys (216) | 56% | 2.6 (3.6) | 197 | 6.6 (3.6) | |||
| Girls (188) | 59% | 3.0 (3.9) | 209 | 7.7 (3.5) |
1 Comparison of ECC prevalence; 2 Comparison of the mean dt; 3 Comparison of the mean SiUC; Bold: p-value p < 0.05.