Rasch analysis of the long-term conditions questionnaire (LTCQ) and development of a short-form (LTCQ-8)

Table 3 Final Rasch model results for the short 8-item version of the LTCQ (LTCQ-8) (N = 1204)

Item #	Item description	Item severity measures	Infit MNSQ	Outfit MNSQ
4	Felt in control of daily life	− 0.01	0.83	0.80
7	Felt safe at home	− 1.58	1.06	0.82
8	Felt safe outside the home	− 0.12	0.93	0.86
10	Felt more dependent on others than you wanted*	1.32	1.21	1.20
11	Felt lonely due to health conditions*	0.23	1.13	1.06
12	Worried about being treated differently*	− 0.20	1.13	1.10
15	Felt that your health conditions made you unhappy*	0.76	0.90	0.95
19	Felt confident in managing health conditions	− 0.40	0.90	0.89

*Questions are reverse-scored, i.e. ‘Never’ is the most positive response option

ISSN: 1477-7525