Table 3.
Analysis of risk factors associated with gingivitis in children aged 6–12 years in Jinzhou
| Variable | N | Gingivitis (n = 823) | Normal (n = 2057) | X2 | P |
|---|---|---|---|---|---|
| n (%) | n (%) | ||||
| Dental plaque | |||||
| No | 414 | 42 (10.15) | 372 (89.85) | 818.32 | 0.000 |
| Small amount | 1334 | 143 (10.72) | 1191 (89.28) | ||
| Medium amount | 996 | 528 (53.01) | 468 (46.99) | ||
| Large amount | 136 | 110 (80.88) | 26 (19.12) | ||
| Dental calculus | |||||
| No | 1996 | 221 (11.07) | 1775 (88.93) | 976.199 | 0.000 |
| Yes | 884 | 602 (68.09) | 282 (31.91) | ||
| BMI | |||||
| Slim | 104 | 33 (31.73) | 71 (68.27) | 0.528 | 0.913 |
| Normal | 1426 | 406 (28.47) | 1020 (71.53) | ||
| Obesity | 824 | 234 (28.4) | 590 (71.6) | ||
| Overweight | 526 | 150 (28.52) | 376 (71.48) | ||
| Crowded teeth | |||||
| No | 2086 | 271 (12.99) | 1815 (87.01) | 900.434 | 0.000 |
| Yes | 794 | 552 (69.52) | 242 (30.48) | ||
| Deep overjet | |||||
| NO | 2621 | 646 (23.5) | 1975 (76.5) | 220.467 | 0.000 |
| Yes | 259 | 177 (79.92) | 82 (20.08) | ||