| n | Past smokers (n = 146) | Occasional smokers (n = 169) | Regular smokers (n = 407) | p-value |
---|---|---|---|---|---|
Gendera | Â | Â | Â | Â | 0.002 |
 Men | 312 | 39 (12.5) | 37 (11.9) | 111 (35.6) |  |
 Women | 1070 | 105 (9.8) | 130 (12.1) | 283 (26.4) |  |
Classa | Â | Â | Â | Â | 0.137 |
 1st | 430 | 30 (7.0) | 60 (14.0) | 122 (28.4) |  |
 2nd | 461 | 62 (13.4) | 50 (10.8) | 118 (25.6) |  |
 3rd | 512 | 54 (10.5) | 58 (11.3) | 166 (32.4) |  |
Centre | Â | Â | Â | Â | 0.430 |
 Verona | 549 | 48 (8.7) | 65 (11.8) | 168 (30.6) |  |
 Vicenza | 236 | 21 (8.9) | 30 (12.7) | 69 (29.2) |  |
 Legnago | 197 | 24 (12.2) | 21 (10.7) | 59 (29.9) |  |
 Trento | 172 | 21 (12.2) | 25 (14.5) | 35 (20.3) |  |
 Bolzano | 251 | 32 (12.7) | 28 (11.2) | 76 (30.3) |  |