Table 2 Frequency of demographic, socioeconomic, dental care, in relation caries experience (DMFT) and untreated decayed teeth (DT)
Predictors | DT | p-value* | DMFT | p-value * | ||
|---|---|---|---|---|---|---|
DT = 0 N(%) | DT ≥ 1 N(%) | DMFT≤3 N(%) | DMFT>3 N(%) | |||
Gender | ||||||
 Male | 104(10.2) | 471(46.1) | <0.0001 | 326(32) | 249(24.4) | 0.53 |
 Female | 187(18.3) | 258(25.3) |  | 261(25.6) | 184(18) |  |
Age (years) | ||||||
 12 | 106(10.4) | 217(21.3) | 0.06 | 191(18.7) | 132(12.9) | 0.29 |
 13 | 88(8.6) | 211(20.7) |  | 179(17.5) | 120(11.8) |  |
 14 | 99(9.7) | 299(29.3) |  | 217(21.3) | 181(17.7) |  |
School type | ||||||
 Public | 136(13.3) | 585(57.4) | <0.0001 | 213(20.9) | 508(49.8) | 0.001 |
 Private | 155(15.2) | 141(13.8) |  | 179(17.5) | 120(11.8) |  |
Mother education (years) | ||||||
  ≥ 9 | 423(41.5) | 312(30.6) | <0.0001 | 513(50.3) | 182(17.8) | <0.0001 |
 <9 | 85(8.3) | 200(19.6) |  | 170(16.7) | 115(11.3) |  |
Household expenditure | ||||||
 >3.20$/day | 255(25) | 292(28.6) | 0.01 | 323(31.7) | 224(22) | 0.29 |
  ≤ 3.20$/day | 134(13.1) | 339(33.2) |  | 264(25.9) | 209(20.5) |  |
Tooth brushing frequency | ||||||
 Irregular | 125(12.3) | 588(57.6) | <0.0001 | 330(32.4) | 383(37.5) | <0.0001 |
 Regular | 176(17.3) | 131(12.8) |  | 204(20) | 103(10.1) |  |
Mouth washing frequency | ||||||
 Irregular | 268(26.3) | 686(67.3) | 0.24 | 358(35.1) | 507(49.7) | 0.34 |
 Regular | 23(2.3) | 43(4.2) |  | 93(9.1) | 62(6.1) |  |
Dental appointment per year | ||||||
 No | 136(13.3) | 535(52.5) | <0.0001 | 267(26.2) | 404(39.6) | <0.0001 |
 Yes | 196(19.2) | 153(15) |  | 214(20.1) | 135(13.2) |  |
Dental floss use | ||||||
 No | 260(28.4) | 597(58.5) | 0.07 | 372(36.5) | 515(50.5) | 0.39 |
 Yes | 30(2.9) | 103(10.1) |  | 72(7.1) | 61(5.9) |  |