Characteristics of employees who had any of the diseases of interest at any point during the study period
| Characteristics | Heart disease | Hypertension | Diabetes | Depression | Asthma |
|---|---|---|---|---|---|
| Count (%) with each disease | |||||
| Total employees (employee had disease ever) | 1544 (4.07) | 6715 (17.72) | 2373 (6.26) | 1215 (3.21) | 1127 (2.97) |
| Total jobs (employee had disease on that job) | 3701 (4.44) | 16 223(19.44) | 5554 (6.66) | 3343 (4.01) | 2871 (3.44) |
| Total injuries (employee had disease at time of injury) | 695 (3.91) | 2757 (15.50) | 1094 (6.15) | 642 (3.61) | 537 (3.02) |
| Employee level (count (%)) | |||||
| Sex | p<0.001 | p<0.001 | p<0.001 | p<0.001 | p<0.001 |
| Male | 1414 (91.58) | 5524 (82.26) | 2005 (84.49) | 846 (69.63) | 834 (74.00) |
| Female | 130 (8.42) | 1191 (17.74) | 368 (15.51) | 369 (30.37) | 293 (26.00) |
| Ethnicity/race | p<0.001 | p<0.001 | p<0.001 | p<0.001 | p<0.001 |
| American–Indian | 11 (0.71) | 32 (0.48) | 12 (0.97) | 8 (0.66) | 6 (0.53) |
| Asian/Pacific Islander | 8 (0.52) | 67 (1.00) | 29 (1.22) | 1 (0.08) | 7 (0.62) |
| Black/African–American | 156 (10.10) | 1426 (21.24) | 505 (21.28) | 107 (8.81) | 147 (13.04) |
| Hispanic/Latino | 59 (3.82) | 283 (4.21) | 241 (10.16) | 50 (4.12) | 72 (6.39) |
| Caucasian | 1308 (84.72) | 4887 (72.78) | 1564 (65.91) | 1045 (86.01) | 891 (79.06) |
| Other/multiple | 2 (0.13) | 20 (0.30) | 11 (0.46) | 4 (0.33) | 4 (0.36) |
| Job level (mean, SD) | |||||
| Age at start of job | 52.36*** | 48.32*** | 49.45*** | 41.18 | 44.62*** |
| 6.46 | 8.74 | 8.60 | 9.51 | 10.08 | |
| Tenure at start of job | 20.20*** | 17.12*** | 18.38*** | 11.05 | 14.12*** |
| 11.10 | 11.53 | 11.89 | 9.91 | 11.11 | |
| Length of job | 2.45*** | 2.46*** | 2.47*** | 1.99** | 2.25*** |
| 2.29 | 2.29 | 2.29 | 2.13 | 2.20 | |
| Location level (count (percent))† | |||||
| Original plant | 925*** (59.91) | 3396*** (50.57) | 1211*** (51.03) | 662*** (54.49) | 631*** (55.99) |
| Union plant | 718*** (46.50) | 2564*** (38.18) | 949*** (39.99) | 478*** (39.34) | 441*** (39.13) |
| Smelter plant | 561*** (36.33) | 2102*** (31.30) | 746*** (31.44) | 322*** (26.50) | 318*** (28.22) |
| Injury level (count (percent)) | |||||
| Severity | p=0.013 | p=0.761 | p=0.004 | p=0.473 | p=0.426 |
| First aid (non-reportable) | 528 (75.97) | 2048 (74.28) | 836 (76.42) | 487 (75.86) | 396 (73.74) |
| Medical treatment | 85 (12.23) | 364 (13.20) | 156 (14.26) | 75 (11.68) | 67 (12.48) |
| Restricted work | 64 (9.21) | 303 (10.99) | 88 (8.04) | 70 (10.90) | 62 (11.55) |
| Lost work day | 18 (2.59) | 42 (1.52) | 14 (1.28) | 10 (1.56) | 12 (2.23) |
| Injury type | p=0.019 | p=0.236 | p=0.145 | p=0.109 | p=0.380 |
| Abrasion/scratch | 77 (11.08) | 245 (8.89) | 102 (9.32) | 64 (9.97) | 43 (8.01) |
| Burn (chemical/thermal) | 70 (10.07) | 340 (12.33) | 138 (12.61) | 84 (13.08) | 68 (12.66) |
| Contusion/bruise | 148 (21.29) | 623 (22.60) | 265 (24.22) | 151 (23.52) | 127 (23.65) |
| Foreign body | 44 (6.33) | 172 (6.24) | 71 (6.49) | 29 (4.52) | 33 (6.15) |
| Laceration/cut | 119 (17.12) | 483 (17.52) | 203 (18.56) | 100 (15.58) | 78 (14.53) |
| Instantaneous sprain/strain | 155 (22.30) | 573 (20.78) | 211 (19.29) | 138 (21.50) | 114 (21.23) |
| Other | 82 (11.80) | 321 (11.64) | 104 (9.51) | 76 (11.84) | 74 (13.78) |
*p value less than 0.001.
**p value less than 0.01.
***p value less than 0.05.
†Categories of location level variables are not mutually exclusive.