A new instrument for measuring anticoagulation-related quality of life: development and preliminary validation

Table 4 DASS factor analysis results: 3-factor solution

Item	Loading: Limits	Loading: Hassles	Loading: Positive	Communality	New alpha	Item-total
1a	0.68	0.34	-0.07	0.58	0.85	0.67
1b	0.67	0.30	-0.04	0.54	0.85	0.65
1c	0.50	0.09	-0.04	0.26	0.87	0.40
1d	0.77	0.13	-0.12	0.63	0.85	0.65
1e	0.81	0.31	-0.06	0.76	0.84	0.77
2a	0.56	0.32	-0.16	0.44	0.86	0.56
2b	0.43	-0.06	0.06	0.19	0.88	0.31
2c	0.48	0.22	-0.04	0.28	0.87	0.48
2d	0.75	0.41	-0.02	0.73	0.84	0.78
4d	0.58	0.38	0.07	0.49	0.86	0.60
3a	0.51	0.60	-0.01	0.62	0.87	0.69
3b	0.34	0.65	0.06	0.54	0.87	0.64
3c	0.19	0.64	0.08	0.46	0.87	0.59
3d	0.26	0.71	-0.02	0.58	0.87	0.68
3e	0.12	0.81	0.00	0.67	0.86	0.74
3f	0.27	0.44	-0.05	0.27	0.88	0.46
3g	0.20	0.77	0.06	0.64	0.86	0.74
4g	0.29	0.64	0.03	0.49	0.87	0.58
4i	0.07	0.68	0.06	0.47	0.88	0.56
3h	0.04	-0.17	0.51	0.29	0.80	0.33
4a	0.06	-0.06	0.76	0.58	0.74	0.57
4b	0.01	0.11	0.83	0.70	0.71	0.70
4f	-0.25	-0.07	0.57	0.39	0.78	0.42
4h	-0.02	0.38	0.74	0.69	0.73	0.67
4j	-0.15	0.20	0.70	0.56	0.74	0.58

The elements are rotated factor loadings (columns 1–3), communalities (column 4), Cronbach's alpha coefficient with the item in question deleted, calculated using standardized variables (column 5), and the item-total correlation, calculated using standardized variables (column 6).

ISSN: 1477-7525