Table 3.

Confirmatory factor analysis (CFA) of the CIS‐R in full sample; three‐factor solutions

	Factor 1: “Depression‐anxiety”								Factor 2: “Somatic symptoms”				Factor 3: “Phobic compulsions”
	Forgetfulness/concentration problems	Sleep problems	Irritability	Depression	Worry	Anxiety	Obsessive thoughts	Depressive ideas	Somatic symptoms	Fatigue	Physical health worries	Panic	Phobias	Compulsive behaviours
Model 1: No constraints; all symptoms permitted to vary
White British	1.00	1.09	1.28	1.22	1.54	1.07	0.62	1.25	1.00	2.29	0.60	0.40	1.00	1.01
Irish	1.00	1.09	1.06	0.92	1.32	1.03	0.58	0.96	1.00	2.62	0.64	0.60	1.00	0.96
Black Caribbean	1.00	1.20	1.05	0.99	1.30	0.78	0.54	0.96	1.00	2.59	0.92	0.38	1.00	1.53
Bangladeshi	1.00	1.03	0.73	1.00	1.11	0.64	0.48	0.96	1.00	1.68	1.02	0.47	1.00	1.49
Indian	1.00	1.09	0.91	1.06	1.26	0.85	0.68	1.09	1.00	1.98	0.80	0.39	1.00	1.28
Pakistani	1.00	1.24	1.02	1.06	1.11	0.84	0.76	1.07	1.00	1.75	0.86	0.33	1.00	1.50
Goodness‐of‐fit statistics for Model 1
χ 2	2583.178
	p < 0.001
df	444
AIC	2955.18
TLI	0.85
RMSEA	0.03
Model 2: Factor 1 and Factor 3 are constrained while Factor 2 is permitted to vary
White									1.00	2.32	0.59	0.40
Irish									1.00	2.60	0.64	0.59
Black Caribbean	1.00	1.14	1.00	1.05	1.27	0.86	0.61	1.06	1.00	2.58	0.91	0.38	1.00	1.31
Bangladeshi									1.00	1.68	1.02	0.46
Indian									1.00	1.98	0.79	0.38
Pakistani									1.00	1.75	0.86	0.33
Goodness‐of‐fit statistics for Model 2
χ 2	2708.01
	p < 0.001
df	484
AIC	3000.01
TLI	0.86
RMSEA	0.03
Model 3: Fully constrained model; all symptoms have been constrained across the full sample
Overall sample	1.00	1.14	0.99	1.04	1.26	0.85	0.60	1.04	1.00	2.11	0.63	0.44	1.00	1.31
Goodness‐of‐fit statistics for Model 3
χ 2	3025.66
	p < 0.001
df	499
AIC	3287.66
TLI	0.84
RMSEA	0.03