Relation between smoking, exposure to hand transmitted vibration, and cold induced finger blanching
| Lifetime exposure | n4-150 | Any cold induced blanching | Consulted a doctor about cold induced blanching | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n | PR (95% CI) | n | PR (95% CI) | ||||||
| Men: | |||||||||
| Smoking: | |||||||||
| Never | 2885 | 207 | 1.0 | 42 | 1.0 | ||||
| Ever | 3437 | 460 | 1.4 (1.2,1.6) | 80 | 1.0 (0.7,1.4) | ||||
| Exposure to hand transmitted vibration: | |||||||||
| Never | 3314 | 220 | 1.0 | 37 | 1.0 | ||||
| Only in leisure | 306 | 31 | 1.4 (1.0,2.0) | 6 | 1.7 (0.7,3.9) | ||||
| Only at work | 2107 | 296 | 2.0 (1.7,2.3) | 55 | 2.2 (1.5,3.4) | ||||
| Work and leisure | 595 | 120 | 2.5 (2.1,3.1) | 24 | 3.1 (1.8,5.1) | ||||
| Women: | |||||||||
| Smoking: | |||||||||
| Never | 2957 | 378 | 1.0 | 68 | 1.0 | ||||
| Ever | 2413 | 336 | 1.0 (0.9,1.2) | 70 | 1.1 (0.8,1.5) | ||||
| Exposure to hand transmitted vibration: | |||||||||
| Never | 4812 | 611 | 1.0 | 114 | 1.0 | ||||
| Only in leisure | 129 | 26 | 1.5 (1.0,2.1) | 2 | 0.5 (0.1,2.1) | ||||
| Only at work | 380 | 63 | 1.2 (1.0,1.5) | 20 | 1.9 (1.2,3.1) | ||||
| Work and leisure | 49 | 14 | 2.1 (1.3,3.2) | 2 | 1.4 (0.3,5.2) | ||||
↵4-150 A few subjects did not answer all the questions.
Risk estimates were derived from a single regression model with adjustment for age, report of frequent headaches, and reports of often feeling tired or stressed. Models were fitted separately for men and women.