The percentage of response on questions of oral health knowledges and attitudes
| Liaoning Province | Urban | Rrual | X2 | P value | Effect Size | |||||||
| Agree N (%) | Disagree N (%) | Unknown N (%) | Agree N (%) | Disagree N (%) | Unknown N (%) | Agree N (%) | Disagree N (%) | Unknown N (%) | ||||
| Oral health awareness | ||||||||||||
| 1.Gum bleeding is normal when brushing your teeth | 551 (14.80) | 2635 (70.51) | 545 (14.69) | 212 (11.51) | 1372 (74.52) | 257 (13.95) | 339 (17.93) | 1263 (66.82) | 288 (15.23) | 34.91 | <0.001 | 0.097 |
| 2.Bacteria are one of the causes of inflammation of the gums | 2841 (76.13) | 234 (6.30) | 656 (17.57) | 1423 (77.29) | 110 (5.97) | 308 (16.73) | 1418 (75.02) | 124 (6.56) | 348 (18.41) | 2.642 | 0.267 | 0.027 |
| 3.Cleaning your teeth is not useful for preventing inflammation of the gums | 288 (7.74) | 2830 (75.92) | 613 (16.34) | 144 (7.82) | 1405 (76.31) | 292 (15.86) | 144 (7.61) | 1425 (75.39) | 321 (16.40) | 0.87 | 0.647 | 0.015 |
| 4.Dental caries are caused by bacteria on teeth | 2278 (61.10) | 384 (10.34) | 1069 (28.57) | 1206 (68.44) | 180 (9.8) | 455 (24.71) | 1072 (58.22) | 204 (11.08) | 614 (33.35) | 32.39 | <0.001 | 0.093 |
| 5.Sweets can lead to dental caries | 2798 (75.12) | 299 (8.30) | 634 (16.58) | 1449 (78.70) | 140 (7.60) | 252 (13.69) | 1349 (73.75) | 159 (8.41) | 382 (20.21) | 30.80 | <0.001 | 0.091 |
| 6.Fluoride is useless to dental protection | 204 (5.55) | 1853 (49.72) | 1674 (44.73) | 99 (5.37) | 951 (51.65) | 791 (42.96) | 105 (5.55) | 902 (47.72) | 883 (46.71) | 5.886 | 0.053 | 0.04 |
| 7.Pit and fissure sealant can prevent dental caries of adolescents | 1558 (41.82) | 479 (12.81) | 1694 (45.37) | 967 (52.52) | 185 (10.04) | 689 (37.42) | 591 (31.26) | 294 (15.55) | 1005 (53.17) | 173.87 | <0.001 | 0.216 |
| 8.Oral diseases can cause or exacerbate certain systemic diseases | 2219 (59.54) | 431 (11.45) | 1081 (29.01) | 1088 (59.09) | 213 (11.57) | 54 029.33 | 1131 (59.84) | 218 (11.50) | 541 (28.62) | 0.249 | 0.883 | 0.008 |
| Oral health attitudes | ||||||||||||
| 1.Oral health is important to life | 3473 (93.18) | 30 (0.71) | 228 (6.11) | 1699 (92.28) | 13 (0.71) | 129 (7.01) | 1774 (93.8) | 17 (0.89) | 99 (5.23) | 5.68 | 0.128 | 0.039 |
| 2.Regular oral examination is necessary | 2829 (75.81 | 82 (2.28) | 820 (21.92) | 1383 (75.12) | 37 (1.68) | 421 (22.87) | 1446 (76.5) | 45 (2.38) | 399 (22.27) | 2.24 | 0.524 | 0.024 |
| 3.Teeth are born good or bad, no correlation with the protection | 186 (5.04) | 3333 (89.32) | 212 (5.64) | 92 (4.99) | 1629 (88.48) | 120 (6.51) | 94 (4.97) | 1704 (90.15) | 92 (4.86) | 4.804 | 0.187 | 0.036 |
| 4.We should rely mainly on ourselves to prevent oral diseases | 3448 (92.41) | 84 (2.35) | 199 (5.24) | 1695 (92.06) | 36 (1.95) | 110 (5.97) | 1753 (92.7) | 48 (2.53) | 89 (4.71) | 4.441 | 0.218 | 0.034 |