Assessing the relative importance of key quality of life dimensions for people with and without a disability: an empirical ranking comparison study

Table 2 Absolute agreement Intraclass Correlation (ICC) for rankings of 12 quality of life dimensions

Type	Group	ICC	95% Confidence interval		F test with true value = 0
Type	Group	ICC	Lower bound	Upper bound	Value	df1	df2	p-value
Average^a	With disability (n = 410)	0.989	0.979	0.996	86.7	11	4499	< 0.000
	Without disability (n = 443)	0.987	0.987	0.995	68.9	11	4862	< 0.000
	Sub-group analysis
	Self-reported (n = 208)	0.976	0.951	0.992	37.5	11	2277	< 0.000
	Proxy-reported (n = 202)	0.983	0.966	0.994	53.4	11	2211	< 0.000

ICC calculation performed in R version 4.0.3 using the package irr().Average rating, absolute agreement, twoway random effects
^aAgreement between the average ranking on the same QUALITY OF LIFE dimension by different survey respondents

ISSN: 1477-7525