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Table 2 DUP (months) and association with demographic and clinical characteristics

From: Which pathways to psychiatric care lead to earlier treatment and a shorter duration of first-episode psychosis?

   N Median (inter-quartile range) Kruskal Wallis Χ2 df P
Total sample   480 3 (1 – 9.5)    
Age 25 or less 166 3 (1 to 8)    
  >25 - 32 159 3 (1 to 10) 0.445 2 0.80
  >32 155 3 (1 to 10)    
Gender Male 294 4 (1 to 10) 3.84 1 0.05
  Female 186 3 (1 to 8)    
Single Yes 202 3 (1 to 9) 0.94 1 0.36
  No 278 3 (1 to 10)    
Qualifications None 255 4 (1 to 10)    
  Yes 214 3 (1 to 8) 1.69 1 0.19
Social class I, II, III 113 4 (1 to 9)    
  IV, V 226 4 (1 to 12) 6.99 2 0.03
  Unclassified, not working 141 3 (1 to 6)    
UK born No 239 3 (1 to 9) 2.79 1 0.10
  Yes 241 4 (2 to 10)    
Ethnicity White 177 4 (2 to 10) 5.08 3 <0.001
  Black 160 3 (1 to 5)    
  Indian sub-continent 114 4 (2 to 12)    
  Other 29 4 (2 to 12)    
Diagnosis Schizophrenia 165 6 (2 to 12) 98.87 7 <0.001
  Delusional disorder 29 6 (4 to 18)    
  Brief psychotic disorder 46 1 (1 to 1)    
  Schizoaffective disorder 91 3 (1 to 9)    
  Non-affective psychosis NOS 29 2 (1 to 6)    
  Psychotic depression 67 5 (2 to 9)    
  Psychotic mania 49 1 (1 to 3)    
  Affective psychosis - NOS 3 1.5 (1 to 3)    
Detained within a No 253 4 (1 to 12) 5.86 1 0.02
week of contact Yes 221 3 (1 to 6)    
1st contact on GP 169 4 (2 to 10) 13.02 7 0.07
care pathway NRH 12 3 (1 to 9.5)    
  CHSC 36 5.5 (2 to 12)    
  CJS 122 3 (1 to 10)    
  HoMed 7 1 (1 to 3)    
  PS 15 3 (1 to 6)    
  A&E 102 2 (1 to 6)    
  EC 17 1 (1 to 6)    
  1. Spearman correlation coefficient between the number of close persons and DUP = −0.28, P<0.001.