Table 3. Descriptive data, internal consistency and inter-correlations among the five latent MCQ-30 factors (CFA standardised solution).

Pre-treatment
	Mean (SD)	Median (IQR)	POS	NEG	CC	NC	CSC	Alpha
POS	9.2 (3.95)	8 (8.7–9.7)	1	.57**	.29**	.59**	.55**	.89
NEG	11.2 (4.17)	11 (10.6–11.7)		1	.42**	.58**	.64**	.80
CC	10.0 (4.10)	9 (9.5–10.6)			1	.46**	.18*	.85
NC	10.1 (3.68)	9.0 (9.6–10.6)				1	.64**	.73
CSC	13.3 (4.39)	13 (12.7–13.9)					1	.79

N.B. MCQ-30 subscales: ‘Positive beliefs about worry’ (POS); ‘Negative beliefs about worry’ (NEG); ‘Cognitive Confidence’ (CC); ‘Need for control over thoughts’ (NC); ‘Cognitive Self Consciousness’ (CSC) *p<.05; **p<.001.