Qualitative variables | Number (n) | Mean ± SD | P value |
---|---|---|---|
Gender | |||
 Male | 148 | 19.66 ± 17.51 | 0.026* |
 Female | 92 | 24.04 ± 16.96 |  |
Removable partial denture | |||
 Uses | 68 | 16.76 ± 16.57 | 0.009* |
 Does not use | 172 | 23.15 ± 17.44 |  |
Alcohol consumption | |||
 Positive | 14 | 24.57 ± 18.96 | 0.634 |
 Negative | 226 | 21.14 ± 17.33 |  |
Smoking | |||
 Positive | 48 | 25.39 ± 18.82 | 0.109 |
 Negative | 192 | 20.32 ± 16.93 |  |
Co-morbidity with other systemic diseases | |||
 Positive | 133 | 20.95 ± 17.36 | 0.879 |
 Negative | 107 | 21.82 ± 17.52 |  |