Table 2.
Relationship between demographics and prevalence of gingivitis in children aged 6–12 years in Jinzhou
| Variable | N | Gingivitis | Normal (n = 2057) | X2 | P | ||
|---|---|---|---|---|---|---|---|
| Total (n = 823) | Localized gingivitis (n = 701) | Generalized Gingivitis (n = 122) | |||||
| n (%) | n (%) | n (%) | n (%) | ||||
| Gender | |||||||
| Male | 1516 | 429 (28.3) | 353 (23.28) | 76 (5.01) | 1087 (71.7) | 0.121 | 0.728 |
| Female | 1364 | 394 (28.89) | 348 (25.51) | 46 (3.37) | 970 (71.11) | ||
| Age | |||||||
| 6 | 359 | 63 (17.55) | 58 (16.16) | 5 (1.39) | 296 (82.45) | 73.27 | 0.000 |
| 7 | 416 | 78 (18.75) | 66 (15.86) | 12 (2.89) | 338 (81.25) | ||
| 8 | 322 | 102 (31.68) | 91 (28.26) | 11 (3.42) | 220 (68.32) | ||
| 9 | 583 | 169 (28.99) | 149 (25.56) | 20 (3.43) | 414 (71.01) | ||
| 10 | 333 | 99 (29.73) | 81 (24.32) | 18 (5.41) | 234 (70.27) | ||
| 11 | 416 | 132 (31.73) | 110 (26.44) | 22 (5.29) | 284 (68.27) | ||
| 12 | 451 | 180 (21.87) | 146 (31.53) | 34 (7.34) | 271 (60.08) | ||
| Ethnicity | |||||||
| Han | 2004 | 574 (28.64) | 489 (24.4) | 85 (4.24) | 1430 (71.36) | 1.481 | 0.477 |
| Man | 728 | 213 (29.27) | 180 (24.73) | 33 (4.53) | 515 (70.74) | ||
| Other | 148 | 36 (24.32) | 32 (21.62) | 4 (2.7) | 112 (75.68) | ||
| Area | |||||||
| Urban | 2580 | 732 (28.37) | 623 (24.15) | 109 (4.22) | 1848 (71.63) | 0.506 | 0.477 |
| Rural | 300 | 91 (30.33) | 78 (26) | 13 (4.33) | 209 (69.67) | ||