Sealant group | Control group | Adjusted HR* (95% CI) | P value | |||||
---|---|---|---|---|---|---|---|---|
N | Case | Cumulative incidence of caries (%) | N | Case | Cumulative incidence of caries (%) | |||
Sex | ||||||||
Male | 2515 | 315 | 12.5 | 2434 | 522 | 21.4 | 0.59 (0.51–0.68) | < 0.001 |
Female | 2307 | 387 | 16.8 | 1962 | 499 | 25.4 | 0.66 (0.58–0.76) | < 0.001 |
District area | ||||||||
Urban | 4107 | 581 | 14.1 | 3608 | 787 | 21.8 | 0.65 (0.58–0.72) | < 0.001 |
Rural | 715 | 121 | 16.9 | 788 | 234 | 29.7 | 0.56 (0.45–0.70) | < 0.001 |
Total | 4822 | 702 | 14.6 | 4396 | 1021 | 23.2 | 0.63 (0.57–0.69) | < 0.001 |