Table 3 Results of linear regression analysis for the significant predictors of efficacy to remove simulated biofilms (RCE-b)
Predictors for RCE-b in all participants | B | SE | 95% CI | p-value | |
|---|---|---|---|---|---|
Lower limit | Upper limit | ||||
Constant term | 75.594 | 7.181 | 61.328 | 89.860 | 0.000 |
Age | − 0.229 | 0.224 | − 0.673 | 0.216 | 0.309 |
Gender | 4.695 | 2.400 | − 0.072 | 9.462 | 0.053 |
Handedness | 3.517 | 2.198 | − 0.849 | 7.883 | 0.113 |
Plays computer games/consoles regularly | − 6.371 | 2.798 | − 11.929 | − 0.813 | 0.025 |
Previous education in medicine/dentistry | 4.671 | 2.353 | − 0.004 | 9.346 | 0.050 |
Group of instruments (GRA, AIR) | − 1.594 | 1.738 | − 5.046 | 1.859 | 0.362 |
Group of training (CTP, DTP) | − 4.839 | 1.997 | − 8.807 | − 0.870 | 0.017 |