Table 2 Means and standard deviations (SD) of body mass index (BMI), systolic and diastolic blood pressure (SBP, DBP), and total serum cholesterol (TotC) and percentages of smoking among industrially employed white‐collar and blue‐collar (W/B) workers by noise, shift work, and physical workload exposures.
| n | BMI (kg/m2) | SBP (mm Hg) | DBP (mm Hg) | TotC (mmol/l) | Use of gemfibrozil (%) | Smoking | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Never | Sometimes | Always | (%) | |||
| Noise | ||||||||||
| W | No noise | 524 | 26.0 (2.9) | 137.1 (15.8) | 89.3 (9.0) | 6.8 (1.1) | 42.9 | 36.5 | 20.6 | 29.8 |
| B | No noise | 416 | 26.6 (3.1) | 141.6 (16.3) | 91.1 (10.0) | 6.9 (1.1) | 40.9 | 40.4 | 18.8 | 32.2 |
| B | Continuous noise | 680 | 26.7 (2.8) | 141.4 (16.7) | 90.6 (10.0) | 6.9 (1.1) | 42.1 | 34.7 | 23.2 | 33.9 |
| B | Continuous and impulse noise | 184 | 26.5 (2.8) | 142.2 (16.6) | 91.4 (10.0) | 7.0 (1.1) | 38.6 | 37.0 | 24.5 | 34.8 |
| Day or shift work | ||||||||||
| W | Day work | 477 | 26.0 (2.9) | 137.0 (15.9) | 89.3 (9.0) | 6.8 (1.1) | 43.2 | 36.5 | 20.3 | 28.2 |
| W | Shift work | 47 | 26.2 (2.6) | 138.0 (14.9) | 89.6 (8.9) | 7.2 (1.3) | 40.4 | 36.2 | 23.4 | 46.8 |
| B | Day work | 663 | 26.6 (2.9) | 141.5 (16.3) | 91.1 (9.7) | 6.9 (1.1) | 41.5 | 37.1 | 21.4 | 32.3 |
| B | Shift work | 617 | 26.6 (2.9) | 141.7 (16.7) | 90.6 (10.3) | 6.9 (1.1) | 40.8 | 36.6 | 22.5 | 34.7 |
| Physical workload* | ||||||||||
| W | 1 tertile | 515 | 26.0 (2.9) | 137.1 (15.9) | 89.3 (9.0) | 6.8 (1.1) | 43.1 | 36.1 | 20.8 | 30.0 |
| B | 1 tertile | 272 | 26.8 (3.1) | 141.5 (16.3) | 90.6 (10.4) | 7.0 (1.0) | 39.0 | 40.8 | 20.2 | 33.2 |
| B | 2 tertile | 401 | 26.8 (2.9) | 141.0 (15.8) | 90.7 (10.0) | 6.9 (1.1) | 42.4 | 35.9 | 21.7 | 31.4 |
| B | 3 tertile | 607 | 26.5 (2.8) | 141.9 (17.1) | 91.1 (9.8) | 6.9 (1.1) | 41.4 | 35.7 | 22.9 | 34.9 |
*Product of proportion of exposed (prevalence P) and mean level of exposure (level L).