Table 1.
Dependence measured with FTND and HSI tests in the 1655 daily smokers: concordance between them, and diagnostic accuracy statistics of HSI.
| Males | Females | All | |
|---|---|---|---|
| N | 941 | 714 | 1,655 |
| FTND-High dependence | 15.6% (13.0-18.3) | 10.6% (7.8-13.4) | 13.6% (11.6-15.5) |
| HSI-High dependence | 18.3% (15.5-21.1) | 10.0% (7.2-12.8) | 14.9% (12.9-16.9) |
| Kappa | 0.75 (p < 0.0001) | 0.60 (p < 0.0001) | 0.70 (p < 0.0001) |
| Sensitivity, CI (95%) | 83.1% (76.1-90.1) | 62.3% (49.3-75.3) | 76.2% (69.8-82.6) |
| Specificity, CI (95%) | 95.7% (94.3-97.2) | 96.8% (95.4-98.2) | 96.2% (95.2-97.2) |
| Accuracy, CI (95%) | 94.1% (92.5-95.6) | 93.8% (92.0-95.7) | 94.0% (92.8-95.1) |
| +PV, CI (95%) | 74.6% (67.0-82.3) | 64.4% (51.3-77.5) | 71.6% (65.0-78.1) |
| -PV, CI (95%) | 97.4% (96.2-98.6) | 96.5% (95.0-98.0) | 97.0% (96.1-97.9) |
CI: confidence interval, +PV: positive predictive value, -PV: negative predictive value.