Table 4 Multivariate analysis of dmft and caries experience
Variables | dmft | Caries experience | ||||
|---|---|---|---|---|---|---|
IRR | 95% CI | P | OR | 95% CI | P | |
Fluoridation status | ||||||
Fluoridated | 1.00# | 1.00# | ||||
Pre-fluoridated | 1.38 | 1.14-1.67 | <0.01 | 1.62 | 1.31-2.01 | <0.01 |
Non-fluoridated | 1.53 | 1.23-1.89 | <0.01 | 1.86 | 1.46-2.37 | <0.01 |
Indigenous status | ||||||
Non-Aboriginal | 1.00# | 1.00# | ||||
Aboriginal | 1.45 | 1.03-2.03 | 0.03 | 1.94 | 1.31-2.88 | <0.01 |
Cardholder status | ||||||
Non-cardholder | 1.00# | 1.00# | ||||
Cardholder | 1.69 | 1.43-2.00 | <0.01 | 1.86 | 1.54-2.25 | <0.01 |
Mother’s country of birth | ||||||
English speaking | 1.00# | 1.00# | ||||
Non-English speaking | 1.41 | 1.02-1.93 | 0.04 | 1.13 | 0.79-1.62 | 0.51 |
Gender | ||||||
Male | 1.00# | 1.00# | ||||
Female | 0.91 | 0.77-1.07 | 0.25 | 0.89 | 0.74-1.07 | 0.20 |
Age | ||||||
5 | 1.00# | 1.00# | ||||
6 | 0.99 | 0.83-1.19 | 0.95 | 0.99 | 0.82-1.20 | 0.92 |
7 | 1.26 | 0.72-2.21 | 0.42 | 1.65 | 0.86-3.17 | 0.13 |