From: Inequalities in oral health among adolescents in Gangneung, South Korea
D rate | 201l (1st grade, 15-yr-old) N = 1267 | 2013 (3rd grade, 17-yr-old) N = 1073 | ||
---|---|---|---|---|
Total | 217(17.1) | Â | 153(14.3) | Â |
Gender | ||||
 Girls | 92(15.9) |  | 62(12.2) |  |
 Boys | 125(18.1) |  | 91(16.1) |  |
School type | ||||
 General | 94(12.3) | *** | 70(9.9) | *** |
 Vocational | 123(24.6) |  | 83(22.8) |  |
Father’s education | ||||
 College or above | 50(10.5) | *** | 33(7.7) | *** |
 High school or below | 137(19.8) |  | 98(17.0) |  |
Mother’s education | ||||
 College or above | 46(13.3) |  | 31(10.3) |  |
 High school or below | 143(17.6) |  | 101(14.4) |  |
Perceived economic status | ||||
 High | 145(15.6) | * | 99(12.6) | ** |
 Low | 72(21.4) |  | 54(19.2) |  |
FAS | ||||
 High | 171(15.6) | *** | 115(12.5) | *** |
 Low | 46(27.4) |  | 38(26.0) |  |
Frequency of tooth-brushing | ||||
 ≥2 | 182(16.2) | * | 137(14.0) |  |
 < 2 | 35(24.5) |  | 16(17.4) |  |
Frequency of eating snacks | ||||
 < 1 | 71(15.7) |  | 118(13.4) | * |
 ≥1 | 131(17.3) |  | 35(18.9) |  |
Frequency of drinking soda | ||||
 < 1 | 99(15.1) |  | 134(13.6) |  |
 ≥1 | 95(18.6) |  | 19(21.1) |  |
Smoking experience | ||||
 No | 124(13.8) | *** | 91(12.0) | ** |
 Yes | 93(25.3) |  | 62(19.6) |  |
Annual visits to dental clinic | ||||
 Yes | 84(14.6) | * | 55(10.7) | ** |
 No | 133(19.2) |  | 98(17.6) |  |