## Table 3 |
|||||||

Relative risk assessment for baseline caries as predictor and caries incidence after
5 years as outcome |
|||||||

Variable |
Baseline |
After 5 years |
P value^{†}and relative risk |
||||

Dental caries |
Caries free |
||||||

n |
% |
n |
% |
n |
% |
||

Dental caries | 85 | 4.6 | 85 | 100 | - | - | P<0.001 |

Caries Free | 1745 | 95.4 | 464 | 26.6 | 1281 | 73.4 | RR=3.78 |

Total | 1830 | 100 | 549 | 30.0 | 1281 | 70.0 | 3.48<RR<4.10 |

^{†}Two tailed statistical significance at the 5% level.

Masood * et al.*

Masood * et al.* *BMC Public Health* 2012 **12**:989 doi:10.1186/1471-2458-12-989