Table 1

Age, BMI, systolic (SBP) and diastolic blood pressures (DBP), and years of service for exposed and unexposed workers according to the job category (mean (SD))

Job category Age (y) BMI SBP (mm Hg) DBP (mm Hg) Duration of stay in the camp (y) Duration of service (y)
Furnace (n=21)43.1 (7.3) 25.1 (3.2)123.3 (16.9)78.3 (8.9)11.14 (5.2)11.52 (5.3)
Continuous casting (n=13)38.8 (6.7)25.9 (3.1)132.7 (20.6)85.8 (11.7)14.08 (4.1)14.38 (4.2)
Rolling mill (n=10)39.4 (4.5)25.1 (1.8)123.5 (9.4)77.5 (9.2) 9.4 (6.4) 9.40 (6.4)
Mechanical workshop (n=10)41.0 (8.2)23.9 (2.4)126.5 (16.3)80.0 (15.8) 8.9 (6.2) 8.90 (6.2)
Fabrication workshop (n=12)42.2 (5.7)25.9 (2.9)130.4 (19.7)81.6 (13.8)10.67 (4.5)10.67 (4.6)
General works (n=15)40.0 (6.5)26.3 (3.0)128.3 (20.1)80.0 (14.4)12.13 (3.9)12.13 (4.0)
Exposed (n=81)40.9 (6.5)1-150 25.4 (2.9)127.2 (17.8)80.4 (12.3)11.2 (5.1)11.23 (5.2)1-150
Unexposed (n=113)34.8 (8.8)1-150 24.6 (3.4)126.4 (12.3)80.2 (10.2)11.69 (4.6)1-150
  • 1-150 p<0001, t test for independent samples.