Table 3.

Agreement and correlation between proxy assessments of family caregivers and SPC teams (paired N = 60)

POS item		Patients (N)	Weighted Cohen’s Kappa (kw) for grouped scores (3 Categories)	Significance level (kw)	Interpretation (kw)a	Spearman’s correlation coefficient (rs) for grouped scores (3 Categories)	Significance level (rs)
1	Pain	58	0.259	.007**	Fair	0.357	.006**
2	Other symptoms	57	0.252	.013*	Fair	0.271	.041*
3	Patient anxiety	56	0.093	.347	Slight	0.179	.186
4	Family anxiety	57	0.218	.019*	Fair	0.314	.018*
5	Information	57	-0.098	.200	Poor	-0.185	.167
6	Support	57	-0.038	.709	Poor	-0.023	.863
7	Life worthwhile	57	0.065	.531	Slight	0.141	.300
8	Self-worth	56	0.122	.251	Slight	0.205	.144
9	Wasted timeb	58	0.000		Slight	n.a.	n.a.
10	Personal affairs	48	0.114	.324	Slight	0.155	.293

^a as defined by Landis and Koch (1977) [30]; ^b due to missing variance (ceiling effects) in proxy assessments

Level of significance: * p < .05; ** p < .01

Abbreviations: POS, Palliative Care Outcome Scale; n.a., not applicable