Table 3.

Fit statistics (location, residuals and p values) of the 10 items for the first random sample of 300

Items	Initial solution			Rescore only disordered items to 01123*			Rescore all items to 01 123
	Location	Residuals	P values	Location	Residuals	P values	Location	Residual	P values
Feel tired (1)	–0.42	4.28	0.000*†	0.00	1.35	0.005	–0.51	1.22	0.000†
Feel nervous (2)	–0.11	–0.85	0.001†	–0.56	–1.19	0.004†	–0.12	–3.26	0.020
Feel so nervous (3)	0.13	–3.16	0.000†	–0.32	–3.65	0.002†	0.05	–4.13	0.002†
Feel hopeless (4)	–0.06	−0.62	0.008*	0.34	–1.54	0.001†	–0.03	–1.77	0.104
Feel restless or fidgety (5)	–0.22	0.46	0.002†	–0.69	0.11	0.001*†	–0.26	–1.93	0.302
Feel so restless (6)	0.08	–3.11	0.000*†	–0.38	–3.39	0.007	0.04	–3.73	0.003†
Feel depressed (7)	0.26	3.87	0.000*†	0.74	3.00	0.000†	0.35	3.18	0.000†
Everything was an effort (8)	–0.15	–0.33	0.125*	0.28	–1.90	0.000†	–0.16	–2.36	0.301
Feel so sad (9)	0.16	–0.48	0.058	0.65	–2.32	0.001†	0.25	–2.64	0.003†
Feel worthless (10)	0.34	1.33	0.001†	–0.06	2.41	0.003†	0.39	0.60	0.247

*Disordered items.

†P values depend on χ² values (Bonferroni correction (p value/number of items))=0.05/10=0.005).