| Factor | Dental caries | COR (95% CI) | AOR (95% CI) | ||
| Yes | No | ||||
| Age | 10 | 83 | 68 | 2.23 (1.36 - 3.66) | 1.75 (1.03 - 2.98) |
| 11 | 59 | 48 | 2.25 (1.31 - 3.84) | 1.86 (1.05 - 3.31) | |
| 12 | 74 | 84 | 1.61 (0.99 - 2.63) | 1.43 (0.84 - 2.42) | |
| 13 | 54 | 68 | 1.45 (0.86 - 2.44) | 1.25 (0.72 - 2.18) | |
| 14 | 42 | 77 | 1.00 | 1.00 | |
| Average monthly expenditure | <500 | 37 | 56 | 0.56 (0.33 - 0.97) | 0.51 (0.28 - 0.90) |
| 500 - 1000 | 78 | 102 | 0.65 (0.41 - 1.03) | 0.62 (0.38 - 1.00) | |
| 1000 - 2000 | 113 | 104 | 0.93 (0.60 - 1.44) | 0.84 (0.53 - 1.34) | |
| >2000 | 70 | 60 | 1.00 | 1.00 | |
| Family knowledge | Good | 299 | 340 | 0.40 (0.15 - 1.08) | 0.37 (0.12 - 1.10) |
| Poor | 13 | 6 | 1.00 | 1.00 | |
| Tooth cleaning | Yes | 282 | 330 | 0.45 (0.24 - 0.85) | 0.47 (0.23 - 0.96) |
| No | 30 | 16 | 1.00 | 1.00 | |
| Sweet intake | Yes | 268 | 273 | 1.83 (1.95 - 2.81) | 1.94 (1.22 - 3.09) |
| No | 38 | 71 | 1.00 | 1.00 | |
| Tea consumption | Once a day | 221 | 256 | 1.01 (0.59 - 1.71) | 0.92 (0.51 - 1.63) |
| Twice a day | 54 | 40 | 1.58 (0.83 - 3.00) | 1.47 (0.73 - 2.97) | |
| Three times a day | 4 | 9 | 0.52 (0.14 - 1.87) | 0.38 (0.97 - 1.52) | |
| Once a week | 3 | 7 | 0.50 (0.11 - 2.12) | 0.30 (0.69 - 1.34) | |
| Seldom | 29 | 34 | 1.00 | 1.00 | |
| Oral hygiene | Poor | 104 | 157 | 1.65 (1.20 - 2.26) | 1.59 (1.12 - 2.26) |
| Good | 207 | 189 | 1.00 | 1.00 | |