Psychometric validation of three new condition-specific questionnaires to assess quality of life, symptoms and treatment satisfaction of patients with aortic aneurysm

Journal of Patient-Reported Outcomes

Table 3 AneurysmDQoL - Factor loadings, communalities and reliability coefficients (pre and post-repair patients), ordered by factor loadings

Quality of life domain	Factor 1	Communalities	Alpha if item deleted (Original alpha = 0.959)
Household tasks	0.865	0.748	0.956
Family life	0.864	0.746	0.956
Friendships	0.837	0.701	0.956
Holiday	0.836	0.698	0.956
Getting out & about	0.831	0.691	0.956
Energy	0.829	0.687	0.956
Physical	0.819	0.671	0.956
Leisure	0.796	0.634	0.957
Do things for others	0.792	0.628	0.957
Health	0.791	0.626	0.957
Feelings about the future	0.774	0.599	0.957
Long journeys	0.768	0.590	0.957
Physical discomfort	0.747	0.557	0.957
Anxiety	0.688	0.473	0.958
Depend on others	0.687	0.471	0.958
Personal relationship	0.659	0.434	0.958
Others worry about me	0.583	0.340	0.959
Think clearly	0.546	0.299	0.960
Enjoy food	0.510	0.230	0.960
Sex life	0.506	0.256	0.960
Percentage total variance = 55.54	Number of items in scale = 20	Alpha = 0.959	ICC = 0.70