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. 2006 Jun;63(6):378–386. doi: 10.1136/oem.2005.022558

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).