Table 1.
Distribution of studies on psychosis in people living with homeless included in qualitative and quantitative analysis based on year, study design, sample size, instrument, country, response rate, study population and prevalence
| Author (year) (reference number) | Sample size | Tool | Country | Outcome (magnitude of psychosis) |
|---|---|---|---|---|
| (Susser et al., 1989) [37] | 223 | DSM | USA | 8%(n = 18) schizophrenia |
| (Munoz et al., 1998) [38] |
Madrid = 262 1563 = USA |
CIDI | Spain & USA |
Madrid; 2.4%(n = 6) Los Angeles 5.5%(n = 86) Schizophrenia |
| (Bassuk et al., 1986) [39] | 80 | DSM | USA | 3%(n = 2) Schizophrenia |
| (Koegel et al., 1988) [40] | 328 | DSM | USA |
13.7%(n = 45) Schizophrenia / schizophreniform 13.1%(n = 44) schizophrenia 0.6%(n = 2) schizophreniform |
| (Fichter and Quadflieg, 2001) [20] | 265 | DSMIII | Germany |
9.8%(n = 26) psychosis 4.4%(n = 12) schizophrenia |
| (Längle et al., 2005) [41] | 99 | ICD and DSM | Germany | 11%(n = 7) Psychosis disorders |
| (Connolly et al., 2008) [42] | 60 | DSM-IV | USA |
20%(n = 12) psychosis 10%(n = 6) schizophrenia 5%(n = 3) schizoaffective 5%(n = 3) psychosis NOS |
| (Ghose et al., 2013) [43] | 2898 | ICD | USA | 3.5%(n = 98) Schizophrenia |
| (Tsai et al., 2014) [44] | 29,143 | DSM | USA | 9.3%(n = 2707) Psychosis |
| (Noe et al., 2016) [45] | 497 | DSM | Canada | N = 263 (53%) Psychosis |
| (Sarajlija et al., 2014) [46] | 104 | ICD | Serbia |
35.6% psychosis (n = 37) N = 11 (10.6%) Schizophrenia |
| (Ayano et al., 2017) [7] | 456 | SCID) | Ethiopia |
Schizophrenia N = 274 (60.09%) Psychotic disorders NOS N = 45 (9.87%) |
| (Schinka et al., 2012) [47] | 10,111 | DSM | USA |
Schizophrenia = 432 (4.27%) Other psychosis = 420 (4.15%) |
| (Topolovec-Vranic et al., 2017) [48] | 2088 | MINI | Canada | 35%(N = 731) Psychosis |
| (Fletcher and Reback, 2017) [49] | 131 | SCID | USA | 22%%(n = 29) Psychosis |
| (Cuvee.Adams et al., 1996) [50] | 64 | DSM | UK | 42%(n = 27) Schizophrenia |
| (Fekadu1 et al., 2014) [51] | 217 | CANSAS | Ethiopia |
41%(n = 89) Psychosis Schizophrenia (n = 79) |
| (Okamura et al., 2014) [52] | 346 | WHO-Five Well-Being Index (WHO-5-J) | Japan | 8.1%(n = 28) Schizophrenia |
| (Prinsloo et al., 2012) [53] | 38 | DSM | Ireland | 5.3%(n = 2) Schizophrenia and Other Psychotic Disorders |
| (Kovess and Lazarus, 1999) [22] | 715 | CIDI | France | 5.8%(n = 42) schizophrenic/delusional disorders (certain) |
| (Larney et al., 2009) [54] | 105 | Lifetime (report) | Australia | 37.1%(n = 39) schizophrenia or other psychotic disorder. |
| (Fischer et al., 1986) [55] | 51 | DSM-III | USA | 2%(n = 1) schizophrenia |
| (Greifenhagen et.al. 1997) [21] | 32 | DSM-III | Germen |
Schizophrenic disorders n = 11 (34%) Schizophrenia n = 8 (25%) Schizophreniform disorder n = 3((%) |
| (Newton et al., 9194) [56] | 65 | DSM | Scotland | 3%(n = 2) schizophrenia |
| (Bacciardi et al., 2017) [57] | 416 | MINI | Canada | 26%(n = 94) Schizophrenia |
| (Goldstein et al., 2012) [58] | 3595 | DSM $ ICD | USA | 17.6%(n = 631) schizophrenia |
| (Freeman et al., 1979) [59] | 250 | Present State Examination (PSE) | Canada | 4.4%(n = 11) schizophrenia |
| (Bassuk et al., 1984) [60] | 78 | DSM | USA | 29.5%(n = 23) Schizophrenia |
| (Geddes et al., 1994) [61] |
79 in 1966 136 in 1992 |
DSM | Scotland |
25%(n = 20) in 1966 9%(n = 12) in 1992 Schizophrenia |
| Cougnard et.al. 2006 [62] | 104 | ICD | France | 32.7% (n = 34) psychosis |
| Yim et.al 2015 [63] | 79 | SCID | China |
Psychotic disorder 10.1% (n = 8) Schizophrenia (n = 3) Schizoaffective (n = 1) Psychotic NOS (n = 4) |