Table 5.
Results of the multiple linear regression for the dependent variables number of teeth and decayed, missing, and filled teeth (DMFT)
|
Variable |
B |
SE |
t |
p value |
95% CI |
R-squared |
|---|---|---|---|---|---|---|
|
No. of teeth |
0.33 |
|||||
|
Age |
–0.29 |
0.05 |
–5.8 |
<0.001 |
–0.40, –0.19 |
|
|
Gender |
–0.84 |
1.8 |
–0.47 |
0.60 |
–4.4, 2.7 |
|
|
Group |
–2.5 |
0.62 |
–4.0 |
<0.001 |
–3.7, –1.2 |
|
|
DMFT |
0.32 |
|||||
|
Age |
3.1 |
0.05 |
5.6 |
<0.001 |
2.0, 0.42 |
|
|
Gender |
0.29 |
1.8 |
0.16 |
0.87 |
–3.3, 3.8 |
|
|
Group |
2.1 |
0.62 |
3.4 |
0.001 |
0.86, 3.3 |
B = coefficient (B); SE = standard error; t = t test; CI = confidence interval. Group: 1 = Alcohol, 2 = Cannabis, 3 = CNSS, 4 = Opiate.