Table 4.
Bivariate and Multivariate logistic regression model for independent variables' effect on caries increment at baseline and after five years
| Independent Variable | n(%) | Caries free after 5 years n(%) | Caries free p†Value |
Crude |
Adjusted |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| OR | 95% CI†† | P† | OR | 95% CI†† | P† | |||||
| Gender |
|
|
|
0.153 |
|
|
0.088 |
|
|
0.143 |
| |
Male |
950 (51.1) |
679 (71.4) |
|
1.19 |
0.97-1.46 |
|
1.16* |
0.95-1.41 |
|
| |
Female |
850 (48.1) |
602 (68.4) |
|
1 |
|
|
1 |
|
|
| Ethnicity |
|
|
|
0.558 |
|
|
0.122 |
|
|
0.958 |
| |
Malay |
808 (44.2) |
561 (69.4) |
|
1.04 |
0.82-1.32 |
|
0.99** |
0.78-1.25 |
|
| |
Chinese |
570 (31.1) |
395 (69.3) |
|
1.22 |
0.94-1.58 |
|
1.12** |
0.87-1.45 |
|
| |
Indian |
449 (24.5) |
323 (71.9) |
|
1 |
|
|
1 |
|
|
| Urban/Rural |
|
|
|
<0.001 |
|
|
<0.001 |
|
|
<0.001 |
| |
Urban |
1200 (65.6) |
890 (74.2) |
|
1.80 |
1.46-2.22 |
|
1.75*** |
1.42-2.1 |
|
| Rural | 630 (34.4) | 391 (62.1) | 1 | 1 | ||||||
Odds ratio adjusted for ethnicity and urban/rural (*), gender and urban/rural (**), gender and ethnicity (***).
†Two tailed statistical significance set at 5% level.
†† Confidence Interval.