Measuring needs-based quality of life and self-perceived health inequity in patients with multimorbidity: investigating psychometric measurement properties of the MultiMorbidity Questionnaire (MMQ) using primarily Rasch models

Journal of Patient-Reported Outcomes

Table 8 Discriminative abilities of the MMQ1 scales between the global item’s response options

	Very good–good	Good–acceptable	Acceptable–poor	Poor–very poor
1. Physical ability	582	78	90	84
2. Worries	888	50	42	2012
3. Limitations in everyday life	406	82	34	142
4. Social life	648	68	50	48
5. Self-image	9930	50	58	1898
6. Personal finances	5462	96	40	10,478