Question | N | Yes from interview | Yes from questionnaire | kappa | 95% conf intervals |
---|---|---|---|---|---|
Yes-no have ever used copper amalgam | 84 | 51 | 52 | 0.88 | 0.77-0.99 |
Yes-no have ever used a mortar | 85 | 28 | 48 | 0.41 | 0.24-0.58 |
Yes-no have ever used a Dentomat | 85 | 76 | 77 | 0.54 | 0.24-0.84 |