Table 1 Survey population composition
From: The prevalence of gingivitis and related risk factors in schoolchildren aged 6–12 years old
N | % | |
|---|---|---|
Gender | ||
Male | 1516 | 52.64 |
Female | 1314 | 47.36 |
Age(year) | ||
6 | 359 | 12.47 |
7 | 416 | 14.44 |
8 | 322 | 11.18 |
9 | 583 | 20.24 |
10 | 333 | 11.56 |
11 | 416 | 14.44 |
12 | 451 | 15.66 |
Area | ||
Han | 2004 | 69.58 |
Man | 728 | 25.28 |
Other | 148 | 5.14 |