Skip to main content

Table 1 Demographic, functional and clinical characteristics of CHR-P and Controls

From: Duration of basic and attenuated-psychotic symptoms in individuals at clinical high risk for psychosis: pattern of symptom onset and effects of duration on functioning and cognition

  Controls CHR-P df H/χ2 p
Number of participants 60 134    
Female participants, n (%) 42 (68.9) 93 (69.4) 1 χ2 = 0.00 1.0
Age at baseline, median (range) 22 (18–32) 20 (16–34) 1 H = 6 0.01
Age at onset, median (range) 17 (4–31)    
Years in education, median (range) 16 (12–24) 15 (8–26) 1 H = 127 <0.001
UK citizen, N (%) 28 (45.9) 97 (72.4) 1 χ2 = 12 <0.001
GAF, median (range) 88 (67–97) 58 (21–95) 1 H = 32 <0.001
GF: Role, median (range) 9 (5–9) 8 (4–9) 1 H = 55 <0.001
GF: Social, median (range) 9 (7–9) 8 (5–9) 1 H = 67 <0.001
Current medication, n (%)
 No medication 60 (98.36) 68 (50.75) 1 χ2 = 42 <0.001
 Anti-psychotic 0 2 (01.49) 1 χ2 = 0.01 0.9
 Mood stabiliser 0 1 (0.75) 1 χ2 = 0.00 1.0
 Anti-depressant 0 30 (22.39) 1 χ2 = 15 <0.001
 Anti-convulsant 0 1 (0.75) 1 χ2 = 0.00 1.0
 Other 1 (1.64) 13 (9.70) 1 χ2 = 3 0.06
 Multiple 0 21 (15.67) 1 χ2 = 8 0.005
Lifetime diagnosis, n (%)
 No diagnosis 57 (95.0) 21 (15.67) 1 χ2 = 126 <0.001
 Anxiety disorder 2 (3.33) 89 (66.42) 1 χ2 = 77 <0.001
 Mood disorders 0 86 (64.18) 1 χ2 = 73 <0.001
 Eating disorders 0 13 (9.70) 1 χ2 = 5 0.03
 Alcohol dependence/abuse 1 (1.67) 40 (29.85) 1 χ2 = 18 <0.001
 Substance dependence/abuse 0 21 (15.67) 1 χ2 = 10 0.001
 Suicidality n (%)
 Suicidality 1 (1.67) 72 (53.73) 1 χ2 = 49 <0.001
 No diagnosis 59 (98.33) 62 (46.27)    
  1. Abbreviations: CHR-P clinical high risk for psychosis, df degrees of freedom, H Kruskal-Wallis H test, χ2 Chi-Squared test, GAF Global Assessment of Functioning, GF:Role/Social Global Functioning Role & Social Scale