Table 2:
Distribution of tobacco product usage characteristics of the participant
| Variable | n (%)* |
|---|---|
| Tobacco use (n=17084) | |
| Daily | 4646 (27.2) |
| Occasionally | 585 (3.4) |
| Never | 9256 (54.2) |
| I quit | 2597 (15.2) |
| Daily use of packed or rolled cigarettes (n=4646) | |
| Yes | 4536 (97.6) |
| No | 110 (2.4) |
| Average number of cigarettes per day | |
| Mean±standard deviation | 16.7±9.7 |
| Daily or almost daily use of tobacco products for at least 1 year (n=7828) | |
| Yes | 6833 (87.3) |
| No | 995 (12.7) |
| Duration of daily tobacco product use (year) (n=6833) | |
| Mean±standard deviation | 20.3±13.4 |
| Average age of starting to use tobacco products regularly (n=6833) | |
| Mean±standard deviation | 19.3±6.7 |
| Frequency of exposure to tobacco smoke indoors (n=17084) | |
| Every day, ≥1 hour a day | 2706 (15.8) |
| <1 hour every day | 1188 (7.0) |
| At least once a week (but not every day) | 869 (5.1) |
| Less than once a week | 1409 (8.2) |
| Never/Almost never | 10912 (63.9) |
| Current use of electronic cigarettes or similar electronic products (n=17084) | |
| Daily | 72 (0.4) |
| Occasionally | 76 (0.4) |
| No, but I have used them in the past | 417 (2.4) |
| Never | 16519 (96.7) |
(%): column percentage