Smoking status and history of study groups
| Coffeehouse workers (n = 114) | Other occupations (n = 93) | p Value | |||
|---|---|---|---|---|---|
| n | % | n | % | ||
| Non-smoker | 13 | 11.4 | 17 | 18.2 | |
| Ex-smoker | 3 | 2.6 | 2 | 2.2 | |
| Current smoker | 98 | 86.0 | 74 | 79.6 | 0.373 |
| >20 pack years | 56 | 55.4 | 35 | 46.1 | 0.216 |
| ETS | |||||
| Home (current) | 57 | 50.0 | 34 | 36.6 | 0.053 |
| Childhood (past) | 76 | 66.7 | 54 | 58.1 | 0.203 |
| Mean (SD) age at starting smoking | 17.6 (5.3) | 19.0 (6.7) | 0.137 | ||