|Study characteristics (N=8)|
|Research study||Quality1 rating||Setting||Sample size (% male); mean age in years (SD); mean duration of homelessness in days (SD)||TBI assessment method||Rate of TBI among sample|
|Oddy et al. (2012)||12||11 Homeless hostels and day centre services in the UK (dry and wet hostels and day centres)||N=100 (75%); 32.7 (12.3) NR||Self- Report: “Have you ever had an injury to the head which knocked you out or at least left you dazed, confused or disoriented?”||48%|
|Hux et al. (2009)||11||Homeless shelter in a midwest State (USA)||N=240 (14%); 35.6 (NR); NR||HELPS screening Tool; asks five questions related to events where respondents may have hit their head, the aftermath associated with the event and problems of daily living||20%|
|Hwang et al. (2008)||15||Shelters and meal programs in Toronto, Ontario (Canada)||N=904 (67%); 37.4 (12.9); 1606 (2154)||Self- Report: “Have you ever had an injury to the head which knocked you out or at least left you dazed, confused or disoriented?”||53%|
|Kim et al. (2007)||12||Neurosurgical department (Korea)||N = 76 (93%); 40 (53%) were 50 years old or above2; NR||Retrospective review of medical records and radiological films following admission to neurosurgical department||NA3|
|Solliday- McRoy et al. (2004)||10||Large homeless shelter in Milwaukee, Wisconsin (USA)||N=90 (100%); 41.0 (9.06); 87.7 (75.6)||Self-Report Questionnaire||48%|
|Gonzalez et al. (2001)||12||Health Care for the Homeless Clinic in Miami, Florida (USA)||N=60 (60%); 39.8 (11.4); NR||Documented instance of concussion or loss of consciousness or the patient's self-report||38%|
|Cotman & Sandman (1997)||10||Homeless residents of an 18 month residential program in Orange County, California (USA)||N=24 (54%); 30.6 (6.5); NR||Self-report||8%|
|Bremner et al. (1996)||15||Hostel in London (UK)||N=62 (100%); NR; median duration of last episode, 42 days4||Detailed semi-structured questionnaire to assess health history; Head injury was defined as “sufficient to lose consciousness at some point in their life”||46%|
NR, Not reported.
1Downs and Black quality checklist score; ratings between 12-17 considered good, 6-12 moderate, and <6 poor.
2Mean age not reported, 36 participants were younger than 50 years old, 40 participants were 50 years old or older.
3All participants included had a TBI as participants were recruited from a neurosurgical department.
4Participants were entrants to a homeless shelter therefore current duration of homelessness was not reported.
Topolovec-Vranic et al.
Topolovec-Vranic et al. BMC Public Health 2012 12:1059 doi:10.1186/1471-2458-12-1059