Psychometric responsiveness of the health-related quality of life questionnaire (HeartQoL-P) in the Iranian post-myocardial infarction patients

Table 3 Explanatory Factor Analysis* pattern of matrix loadings for 14 items in the psychometric responsiveness of the translated Health-Related Quality of Life questionnaire (HeartQoL-P) in the Iranian post-myocardial infarction patients (n = 275)

Items	Questions	Factor 1	Factor 2
Q4	Fast walking for more than 100 m	0.906	0.160
Q3	Going up stairs or a hill / Going down stairs or a hill without taking a break	0.897	0.183
Q13	Exercise intolerance	0.897	0.201
Q2	Gardening, vacuuming, carrying groceries	0.879	0.224
Q14	Working only at home or yard environment	0.871	0.205
Q5	Lifting or moving heavy objects	0.843	0.119
Q1	Walking on the ground at home	0.832	0.267
Q7	Physical restriction	0.782	0.214
Q6	Shortness of breath	0.720	0.238
Q8	Tiredness, fatigue, lack of energy	0.604	0.465
Q10	Feeling depressed	0.363	0.797
Q12	Feeling anxious	−0.052	0.794
Q11	Feeling hopeless	0.356	0.784
Q9	Feeling under tension or restlessness	0.181	0.667

*Explanatory Factor Analysis (EFA) using (Principal Axis Factor) PAF extraction method and varimax rotation with Kaser normalization/bold numbers indicate the items related to the corresponding factor//Factor 1 (physical), Factor2 (emotional)

ISSN: 1477-7525