The quality of working life questionnaire for cancer survivors (QWLQ-CS): factorial structure, internal consistency, construct validity and reproducibility

Table 5 Intraclass Correlation Coeffient (ICC) and Standard Error of Measurement (SEM) of the stable subgroup of cancer survivors

QWLQ-CS	Total sample¹						Stable subgroup²
	Baseline			4 weeks follow-up			Baseline			4 weeks follow-up			Difference baseline – 4 weeks follow-up		SEM	ICC*	ICC 95% CI
	N	Mean	SD	N	Mean	SD	N	Mean	SD	N	Mean	SD	Mean	SD			Lower bound	Upper bound
Subscale 1	130	80.35	13.51	100	81.65	12.63	87	80.52	12.23	86	81.45	12.95	0.87	9.74	12.57	0.70	0.58	0.80
Subscale 2	130	81.48	10.49	101	80.32	10.73	87	81.89	9.21	87	80.78	10.93	−1.10	9.40	10.11	0.57	0.41	0.69
Subscale 3	129	81.10	10.92	101	81.13	10.52	86	81.25	11.44	87	82.04	10.25	0.97	8.68	10.87	0.68	0.55	0.78
Subscale 4	112	74.82	13.97	88	75.55	14.15	77	75.55	14.26	76	75.95	13.39	0.38	7.55	13.89	0.85	0.77	0.90
Subscale 5	130	56.89	24.32	101	56.09	24.61	87	57.70	24.11	87	58.22	24.24	0.52	11.96	24.17	0.88	0.82	0.92
Total score	130	75.47	9.82	101	75.39	9.75	87	75.94	9.70	87	76.17	9.50	0.23	5.44	9.59	0.84	0.77	0.89

¹Sample of cancer survivors in field study II
²Stable subgroup of cancer survivors in field study II who indicated no change in their health/work situation within the last four weeks
*Confirmed hypotheses in bold

ISSN: 1471-2407