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. 2017 Aug 25;17:308. doi: 10.1186/s12888-017-1468-y

Table 1.

Comparisons in socio-demographic variables between FEP-C (control) and PROD (prodrome) groups

Socio-demographic characteristics FEP-C (n = 283; 83.7%) PROD
(n = 14; 4.1%)
Statistics
Mean (S.D.)/n(%) Mean (S.D.)/n(%) Test statistics df P-value
Age, y 27.9 (5.5) 24.2 (6.0) t = 2.46 295 0.01
 Range 18–37 15–34
Gender chi2 = 0.36 1 0.60a
 Female 124 (43.8) 5 (35.7)
 Male 159 (56.2) 9 (64.3)
Ethnicity chi2 = 2.65 2 0.29a
 White 98 (35.1) 7 (53.8)
 Black 126 (45.2) 3 (23.1)
 Other 55 (19.7) 3 (23.1)
Country of birth chi2 = 6.14 1 0.02b
 UK 124 (46.8) 10 (83.3)
 Not in the UK 141 (53.2) 2 (16.7)
Education chi2 = 1.30 1 0.21b
 School 111 (55.2) 8 (72.7)
 A-Level, or above 90 (44.8) 3 (27.3)
Employment status chi2 = 1.24 1 0.27a
 Unemployed 172 (64.7) 7 (50.0)
 Employed 94 (35.3) 7 (50.0)
Marital status chi2 = 2.98 1 0.10a
 Not in stable relationship 207 (75.3) 7 (53.9)
 Married/stable relationship 68 (24.7) 6 (46.1)
Living arrangements chi2 = 4.08 2 0.15b
 Alone 74 (27.0) 1 (7.1)
 Partner/family 125 (45.6) 10 (71.4)
 No stable accommodation 75 (27.4) 3 (21.4)
Cannabis use chi2 = 1.86 1 0.26b
 No 118 (50.2) 4 (30.8)
 Yes 117 (49.8) 9 (69.2)

ARMS At Risk Mental State, IQR inter-quantile range, S.D. standard deviation, df degree of freedom, y years, FEP-C (control) group FEP patients who present to mental health services for FEP without prior contact with the prodromal services, PROD (prodrome) group FEP patients who had first presented to the prodromal services with the ARMS and who, by definition, subsequently transitioned to FEP

achi-square test

bFisher’s exact test