Table 2. Feasibility/acceptability, reliability, and precision of the EC-PC.

	EC-PC
	Domain 1. Acceptance	Domain 2. Coping	Domain 3. Self-management	Domain. 4 Integration	Domain 5. Adjustment
Data quality (%)	100	100	100	100	100
Floor effect (%)	3.70	0.93	0.31	0.62	0.93
Ceiling effect (%)	7.41	4.63	12.96	8.02	7.41
Skewness	0.16	−0.29	−0.21	−0.82	0.05
Cronbach’s alpha	0.88	0.86	0.68	0.82	0.79
Item-total correlation	0.64–0.80	0.25–0.80	0.21–0.64	0.42–0.77	0.38–0.76
Inter-item correlation	0.55–0.76	0.14–0.73	0.19–0.69	0.25–0.63	0.16–0.70
Item homogeneity	0.65	0.48	0.42	0.47	0.40
Reproducibilitya	0.85	0.61	0.57	0.60	0.81
Precision (s.e.m.) (1/2 s.d.)	1.51 (1.96)	2.83 (2.27)	1.70 (1.30)	2.31 (1.83)	2.98 (3.42)

Abbreviation: EC-PC, Living with Chronic Illness Scale.

^aIntraclass correlation coefficient.