Table 3.
Comparison of mean KTSND scores by gender, year of dental education and cohabitants’ smoking status in the sample of the study (n = 252)
| Mean KTSND Score (95% CI) | P-value | |
|---|---|---|
| Year of dental education | ||
| First | 10.9 (9.6–12.2) | 0.043* |
| Second | 10.3 (9.2–11.4) | |
| Third | 13.7 (12.6–14.8) | |
| Fourth | 11.9 (10.7–13.2) | |
| Fifth | 11.8 (10.7–12.9) | |
| Gender | ||
| Male | 12.1 (11.2–12.9) | 0.149 |
| Female | 11.3 (10.6–11.9) | |
| Cohabitants’ smoking status | ||
| With smoking cohabitants | 10.9 (9.9–11.9) | 0.173 |
| Without smoking cohabitants | 11.8 (11.1–12.4) | |
*
P < 0.05.