Table 2

Sex-stratified demographic characteristics of all workers who sustained wr-mTBI due to assault and non-assault mechanisms

Non-assault-induced wr-mTBI (2854)Assault-induced wr-mTBI (275)Males (1814)Females (1315)
Non-assaultAssaultNon-assaultAssault
n%n%n%n%n%n%
Female120342.211240.7
Male165157.816359.3
Age at the time of injury (by decade)
 15–24 years43015.14014.523814.42616192161412.5
 25–34 years71725.1662441625.24728.8301251917
 35–44 years61621.65720.740124.33521.521517.92219.6
 45–54 years66123.26523.633520.33018.432627.13531.3
 >55 years43015.14717.126115.82515.3169142219.6
Employment type *
 Full-time employee197769.316961.5127377.110564.470458.56457.1
 Part-time employee37313.14917.8814.91911.729224.33026.8
 Others50417.75720.7297183923.920717.21816.1
Occupation type *
 Community and personal service workers36112.611943.31247.5754623719.74439.3
 Professionals50917.87125.81338.11911.737631.35246.4
 Services-related occupations
 (managers/technicians and trades workers/clerical and administrative workers/sales workers)
92532.45319.358635.5442733928.298
 Goods-related occupations
 (machinery operators and drivers/labourers)
105937.13211.680848.92515.325120.976.3
Workplace industry group *
 Healthcare and social assistance2739.67025.5422.5159.223119.25549.1
 Education and training44915.75118.51217.3116.732827.34035.7
 Public administration and safety1354.76824.7794.86036.8564.787.1
 Others1997708631.2140985.47747.258848.898.1
Employer size *
 Small58720.65419.642125.54930.116613.838§ 34.00§
 Medium117041.007226.2727443923.944336.8
 Large71925.27527.338223.14628.2337282925.9
 Government37813.27426.91217.32917.825721.44540.2
Socioeconomic status
 1–2 (most disadvantaged)44915.74416297183018.415212.61412.5
 3–4 (disadvantaged)429153914.226215.92414.716713.91513.4
 5–6 (middle)66123.25620.441725.33420.924420.32219.6
 7–8 (advantaged)68023.87025.538923.63722.729124.23329.5
 9–10 (most advantaged)63522.2662428617.33823.3349292825
Days off work
 Did not take days off work234682.220875.6131879.811570.6102885.59383
 Took days off work50817.86724.433320.24829.417514.51917
Hospitalised
 Not hospitalised240784.324087.3131979.913683.4108890.410492.9
 Hospitalised44715.73512.733220.12716.61159.687.1
  • 2  test significant at p<0.000 (assault vs non-assault; males).

  • †Χtest significant at p<0.000 (assault vs non-assault).

  • ‡Χtest significant at p<0.000 (assault vs non-assault; females).

  • §Categories collapsed due to small cell count.

  • wr-mTBI, work-related mild traumatic brain injury.