Table 1 Characteristics of the study population
Incidence of permanent tooth decay | ||||||
|---|---|---|---|---|---|---|
Variables | Male | Female | ||||
No | Yes | p-value§ | No | Yes | p-value§ | |
Age (years) † | 15.47 ± 0.08 | 15.81 ± 0.11 | 0.011 | 15.50 ± 0.08 | 15.59 ± 0.14 | 0.603‡ |
Income (quartiles) | ||||||
Q1 (lowest) | 56 (9.16) | 49 (19.44) | <.001 | 64 (11.19) | 40 (21.86 | <.001 |
Q2 | 140 (22.91) | 67 (26.58) | 142 (24.83) | 58 (31.69) | ||
Q3 | 179 (29.29) | 74 (29.36) | 176 (30.77) | 50 (27.32) | ||
Q4 (highest) | 236 (38.62) | 62 (24.60) | 190 (33.22) | 35 (19.13) | ||
Obesity | ||||||
Normal | 528 (84.75) | 212 (82.81) | 0.500 | 523 (89.86) | 160 (86.49) | 0.118 |
Obesity | 95 (15.25) | 44 (17.19) | 59 (10.14) | 25 (13.51) | ||
Living area | ||||||
Rural | 336 (53.93) | 135 (52.73) | 0.536 | 323 (55.50) | 105 (56.76) | 0.745 |
Urban | 287 (46.07) | 121 (47.27) | 259 (44.50) | 80 (43.24) | ||
Drinking experience | ||||||
No | 403 (65.32) | 141 (55.29) | 0.010 | 388 (67.36) | 113 (61.41) | 0.206 |
Yes | 214 (34.68) | 114 (44.71) | 188 (32.64) | 71 (38.59) | ||
Smoking experience | ||||||
No | 489 (79.25) | 170 (66.93) | 0.004 | 524 (90.97) | 153 (83.15) | <.001 |
Yes | 128 (20.75) | 84 (33.07) | 52 (9.03) | 31 (16.85) | ||
Dental checkup within a year | ||||||
No | 400 (64.62) | 187 (73.33) | 0.001 | 321 (55.44) | 119 (64.32) | 0.103 |
Yes | 219 (35.38) | 68 (26.67) | 258 (44.56) | 66 (35.68) | ||
Tooth brushing after every meal | ||||||
No | 430 (70.382) | 194 (76.98) | 0.029 | 281 (48.78) | 94(51.09) | 0.315 |
Yes | 181 (29.62) | 58 (23.02) | 295 (51.22) | 90 (48.91) | ||