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Table 2 Injury-related details reported

From: Traumatic brain injury among people who are homeless: a systematic review

Research study Injury severity Mean age at first injury Injury preceded homelessness (%) Sex differences Lifetime history of TBI
Oddy et al. (2012) 81% mild 19.9 90% TBI more prevalent among males in the sample; no significant sex related difference between number of injuries 52.1% reported more than one injury
Hwang et al. (2008) 66% mild 17.8 70% TBI significantly more common among white males in the sample 60% reported more than one injury
Kim et al. (2007) 64% moderate or severe Homeless participants with a TBI significantly younger than non-homeless pariticipants1 NR NR NR
  1. NR, Not reported.
  2. 1Age at first injury not documented; at time of admission to the neurosurgery department for TBI, homeless participants were significantly younger than non-homeless participants.