Table 2

Comparison of working and injury characteristics between workers with occupational injury and those with non-occupational injury
Non-occupational injury (n = 1,707) Occupational injury (n = 904)
Selected characteristics n (%) n (%)
Occupational group*
  White collar 1,017 (59.6) 318 (35.2)
  Service 288 (16.9) 164 (18.1)
  Farm 6 (0.4) 21 (2.3)
  Blue collar 373 (21.9) 388 (42.9)
Self-employed 208 (12.2) 99 (10.9)
Firm size
  < 10 290 (22.4) 166 (24.4)
  10–49 364 (28.2) 205 (30.1)
  50–499 432 (33.4) 214 (31.5)
  500+ 207 (16.0) 95 (14.0)
Job tenure (yr, mean (SE)) 6.2 (0.18) 6.4 (0.27)
Hours of working per week (mean (SE)) 38.6 (0.31) 41.7 (0.38)
Personal annual wage income ($) (mean (SE)) 32,679 (696.7) 28,005 (709.0)
Overtime work (>40 hrs/week)* 450 (26.4) 273 (30.2)
Part time/seasonal/shift work 131 (7.7) 54 (6.0)
Union membership 200 (13.8) 115 (14.4)
Cause of injury
  Fall 343 (33.1) 117 (62.7)
  Motor vehicle related 399 (38.5) 57 (20.2)
  Sports related 257 (24.8) 0
  Other 37 (3.6) 48 (18.4)
Type of injury: diagnosis category
  Superficial wound,   contusion 148 (8.7) 65 (7.2)
  Musculoskeletal (arthropathy,   back, sprain/strain) 640 (37.5) 371 (41.0)
  Fracture/dislocation 220 (12.9) 59 (6.5)
  Crushing, amputation,   poisoning, toxic, late effect 69 (4.0) 57 (6.3)
  Open wound/internal   organ injury 219 (12.8) 125 (13.8)
  Traumatic complication,   NEC 220 (12.9) 145 (16.0)
Injury severity (ISS) score *
  Minor (ISS 1–8) 956 (56.0) 482 (53.3)
  Moderate (ISS 9–15) 537 (31.5) 280 (31.0)
  Severe (ISS ≥ 16) 214 (12.5) 142 (15.7)
Injury treatment duration*
  More than one round 342 (20.0) 238 (26.3)
Lost work days *
  More than one day 587 (34.4) 421 (46.6)
No. of injury episodes*
  Multiple 648 (38.0) 383 (42.4)
Source of payment
  Workers’ compensation* N/A 349 (38.6)
  Other sources 1,701 (100.0) 555 (61.4)

* p < 0.05.

Occupational group – White collar, Management, business, and financial operations; Professional related; Sales related; and Office and administrative support. Blue collar: Construction, extraction, and maintenance; Production, transportation, and material moving.

N may not be 100% due to missing values, and some categories are not shown owing to small number.

SE: standard error.

Kim

Kim BMC Public Health 2013 13:303   doi:10.1186/1471-2458-13-303

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