Table 3.
Lifestyle of the Respondents.
| Variables | ||||
|---|---|---|---|---|
| Characteristics/% (N) | Cases (n = 400) | Controls I (n = 200) | Controls II (n = 200) | P |
| Smoking | ||||
| Never | 16% (64) | 37% (74) | 58% (116) | .94 |
| Passive smoking | 40% (160) | 46% (92) | 7% (14) | .94 |
| An active smoker | 30% (120) | 21% (42) | 8% (16) | .01 |
| Former smoker | 47% (188) | 31% (62) | 27% (54) | .94 |
| Age at the start of regular smoking | ||||
| 10–14 years | 7% (28) | 0% (0) | 0% (0) | .03 |
| 15–20 years | 33% (132) | 20% (40) | 4% (8) | .59 |
| 21–25 years | 7% (28) | 3% (6) | 8% (16) | .52 |
| >25 years | 53% (212) | 77% (154) | 88% (176) | .94 |
| Time of smoking a cigarette | ||||
| <10 years | 7% (28) | 55% (110) | 25% (50) | .62 |
| 10–20 years | 20% (80) | 14% (28) | 64% (128) | .65 |
| >20 years | 73% (292) | 31% (62) | 11% (22) | .01 |
| Number of cigarettes smoked | ||||
| Up to 10 cigarettes a day | 7% (28) | 16% (32) | 12% (24) | .12 |
| From 10 to 20 a day | 20% (80) | 43% (86) | 70% (140) | .59 |
| Over 30 a day | 73% (292) | 41% (82) | 18% (36) | .01 |
| Consuming alcohol | ||||
| Abstinent | 33% (132) | 43% (86) | 39% (78) | .94 |
| 30 mL of vodka daily | 14% (56) | 3% (6) | 4% (8) | .12 |
| 100 mL of wine daily | 14% (56) | 9% (18) | 7% (14) | .52 |
| 380 mL of beer a day | 0% (0) | 9% (18) | 10% (20) | .94 |
| 60 mL of vodka daily | 0% (0) | 9% (18) | 2% (4) | .94 |
| 200 mL of wine a day | 14% (56) | 6% (12) | 24% (48) | .59 |
| 700 mL of beer a day | 14% (56) | 6% (12) | 6% (12) | .12 |
| More | 11% (44) | 15% (30) | 8% (16) | .59 |