Table 3 Simple and multiple Poisson regression analysis of the relationship between socio-demographic and dental status variables according to OIDP (as discrete variable) in adolescents age 12 yr.
Variables | Unadjusted Rate Ratio (IC 95%) | P | Adjusted Rate Ratio (IC 95%) | P |
|---|---|---|---|---|
Level 1 | ||||
Sex | 0.170 | 0.104a | ||
Male | 1.0 | 1.0 | ||
Female | 1.2 (0.9;1.4) | 1.2 (1.0;1.5) | ||
Maternal schooling at child birth | 0.141 | 0.013a | ||
≥ 9 yr | 1.0 | 1.0 | ||
5 - 8 yr | 1.1 (0.8;1.4) | 1.2 (0.9;1.6) | ||
≤ 4 | 1.2 (0.9;1.6) | 1.4 (1.0;1.9) | ||
Mother employment status at child aged 6 month | <0.001 | <0.001a | ||
No | 1.0 | 1.0 | ||
Yes | 1.5 (1.2;1.9) | 1.6 (1.3;2.0) | ||
Level 2 | ||||
Untreated dental caries at age 6 | 0.043 | 0.016b | ||
0 | 1.0 | 1.0 | ||
1-3 | 1.2 (1.0;1.6) | 1.2 (1.0;1.6) | ||
4-19 | 1.3 (1.0;1.6) | 1.4 (1.1;1.7) | ||
Cross bite at age 6 yr | 0.020 | 0.058b | ||
No | 1.0 | 1.0 | ||
Yes | 1.3 (1.0;1.7) | 1.3 (1.0;1.6) | ||
Level 3 | ||||
Family economic status at age 12 | 0.138 | 0.612c | ||
A + B | 1.0 | 1.0 | ||
C | 1.1 (0.8;1.4) | 1.0 (0.7;1.4) | ||
D+E | 1.2 (0.9;1.6) | 1.1 (0.8;1.5) | ||
Level 4 | ||||
Untreated dental caries at age 12 | <0.001 | 0.029d | ||
No | 1.0 | 1.0 | ||
Yes | 1.6 (1.3;1.9) | 1.3 (1.0;1.6) | ||
Dental pain at age 12 | <0.001 | <0.001d | ||
No | 1.0 | 1.0 | ||
Yes | 2.2 (1.8;2.8) | 1.9 (1.5;2.5) | ||
Dental fluorosis at age 12 | 0.120 | 0.046d | ||
No | 1.0 | 1.0 | ||
Yes | 0.8 (0.6;1.1) | 0.7 (0.5;1.0) | ||
Gingival bleeding at aged 12 | 0.004 | 0.047d | ||
<11.5% of teeth | 1.0 | 1.0 | ||
11.5-28.0% of teeth | 1.3 (1.0.1.7) | 1.1 (0.9;1.5) | ||
28.5-92.0% of teeth | 1.5 (1.1;1.9) | 1.3 (1.0;1.7) | ||
Incisal crowding at aged 12 | <0.001 | 0.003d | ||
No | 1.0 | 1.0 | ||
Yes | 1.5 (1.2;1.9) | 1.4 (1.1;1.8) |