Table 1

Distribution of employees with acute, traumatic occupational injuries in a cohort of aluminium manufacturing workers (N=30 163)

CharacteristicSubjects in categoryNumber of injuries (per cent)
Not injuredOne injuryTwo injuriesMore than three injuries
Sex*
 Male23 30121 286 (91.4)1674 (7.2)274 (1.2)67 (0.3)
 Female68626146 (89.6)578 (8.4)109 (1.6)29 (0.4)
Race*
 White20 91119 040 (91.1)1553 (7.4)260 (1.2)58 (0.3)
 Black44204021 (91.0)320 (7.2)59 (1.3)20 (0.5)
 Hispanic36253257 (89.9)299 (8.3)54 (1.5)15 (0.4)
 Asian1002937 (93.5)61 (6.1)3 (0.3)1 (0.1)
 Other205177 (86.3)19 (9.3)7 (3.4)2 (1.0)
Age*
 Under 2513681226 (89.6)113 (8.3)25 (1.8)4 (0.3)
 25 to 3448624354 (89.6)409 (8.4)75 (1.5)24 (0.5)
 35 to 4478847165 (90.9)598 (7.6)92 (1.2)29 (0.4)
 45 to 5410 2619400 (91.6)706 (6.9)124 (1.2)31 (0.3)
 Over 5557885287 (91.3)426 (7.4)67 (1.2)8 (0.1)
Time since hire (years)*
 <1 55254893 (88.6)488 (8.8)117 (2.1)27 (0.5)
 1–2 20201805 (89.4)182 (9.0)24 (1.2)9 (0.5)
 3–5 29012645 (91.2)211 (7.3)34 (1.2)11 (0.4)
 6–10 60765493 (90.4)483 (8.0)79 (1.3)21 (0.4)
 11–20 61775703 (92.3)393 (6.4)66 (1.1)15 (0.2)
 >20 74646893 (92.4)495 (6.6)63 (0.8)13 (0.2)
Job grade*
 1–356085229 (93.2)332 (5.9)36 (0.6)11 (0.2)
 4–760715556 (91.5)420 (6.9)74 (1.2)21 (0.4)
 8–1266496078 (91.4)486 (7.3)68 (1.0)17 (0.3)
 13–2156865051 (88.3)480 (8.4)120 (2.1)35 (0.6)
 22–7161495518 (89.7)534 (8.7)85 (1.4)12 (0.2)
Unionised*
 Yes14 40913 299 (92.3)872 (6.1)186 (1.3)52 (0.4)
 No12 10011 780 (97.4)301 (2.5)16 (0.1)3 (0.02)
Plant type*
 Rigid packaging25802244 (87.0)278 (10.8)51 (2.0)7 (0.3)
 Casting64766360 (98.2)112 (1.7)3 (0.05)1 (0.02)
 Closure systems456452 (99.3)2 (0.44)2 (0.22)
 Engineered products37303474 (93.1)203 (5.4)42 (1.1)11 (0.3)
 Fasteners22982271 (98.8)25 (1.1)2 (0.1)
 Consumer products27002565 (95.0)124 (4.6)8 (0.3)3 (0.1)
 Rolled products23612314 (98.0)37 (1.6)7 (0.3)3 (0.1)
 Smelter27852346 (84.2)325 (11.7)84 (3.0)30 (1.1)
Satisfaction scale†
 Low15 30914 194 (92.7)893 (5.8)172 (1.1)50 (0.3)
 Medium80577803 (96.9)225 (2.8)25 (0.3)4 (0.05)
 High31433082 (98.1)55 (1.8)5 (0.2)1 (0.03)
Work environment scale
 Poor environment17 38116 352 (94.1)838 (4.8)149 (0.9)42 (0.2)
 Average environment79937607 (95.2)321 (4.0)52 (0.7)13 (0.2)
 Good environment11351120 (98.7)14 (1.2)1 (0.1)
Supervisor scale†
 Poor perception19 20417 969 (93.6)1007 (5.2)177 (0.9)51 (0.3)
 Average perception59505783 (97.2)140 (2.3)23 (0.4)4 (0.1)
 Good perception13551327 (97.9)26 (1.9)2 (0.1)
Stress scale*
 High stress83957611 (90.7)615 (7.3)133 (1.6)36 (0.4)
 Medium stress10 79010 315 (95.6)398 (3.7)61 (0.6)16 (0.2)
 Low stress73237153 (97.7)160 (2.2)8 (0.1)2 (0.04)
  • *  p<0.05.

  • †All employees in plant assigned average values, for descriptive purposes.