N (%) | Interval | Months |
---|---|---|
114 (71.2) | From the first use of waterpipe to the appearance of the first HONC symptom | 10.9 |
61 (38.1) | From the first use of waterpipe to ICD-10 | 13.9 |
50 (90.9) | From smoking a whole waterpipe head to the appearance of the first HONC symptom | 0.6 |
37 (67.3) | From smoking a whole waterpipe head to ICD-10 | 5.0 |
HONC, Hooked on Nicotine Checklist; ICD-10, International Classification of Diseases Nicotine Dependence (≥3 criteria).