Skip to main content

Table 3 Summary of the RASCH analysis for each factor

From: Development of a questionnaire to measure health-related quality of life (HRQoL) in patients with atrial fibrillation (AF-QoL)

  Rasch analysis for factor # 1 Psychological Domain (AF-QoL-7)     
AF-QoL-40 Item Numer Item Measure Error Infit Outfit
30 What affects me the most is the helplessness I feel during a crisis 0.59 0.13 1.09 1.07
32 I am afraid that my disease complicates things. 0.34 0.12 1.09 1.05
29 I am afraid of pain or of suffering a heart attack. 0.13 0.12 0.98 0.92
17 I am afraid of having a sudden and unexpected tachycardia. -0.02 0.12 0.96 0.99
16 I feel depressed when I find that I get tired. -0.05 0.12 1.08 1.09
28 I feel depressed when I think that my disease will last forever. -0.29 0.11 0.79 0.76
15 I have negative thoughts about my future. -0.70 0.11 1.12 1.03
  Rasch analysis for factor # 2 Physical Domain (AF-QoL-11)     
2 I get more tired than usual when I perform physical exercise 0.72 0.12 1.24 1.17
6 I get tired during a brisk walk. 0.62 0.11 0.94 0.76
39 I felt more vitality before I was diagnosed with the disease. 0.48 0.11 0.98 0.97
4 I have stopped performing physical exercise 0.15 0.10 1.17 1.08
33 My disease has impaired my quality of life. 0.14 0.10 0.97 0.89
31 I feel affected by the impossibility of carrying out certain activities; "I want to, but my body cannot". 0.01 0.10 0.81 0.73
35 Sexual relationships are less frequent than before I was diagnosed with the disease. -0.13 0.10 0.96 0.89
5 I get tired when I walk for thirty minutes and I have to rest. -0.16 0.09 1.24 1.06
34 Changes have occurred in my sexual activity due to the medications I take. -0.40 0.09 0.97 1.09
37 I am afraid that my heart is "triggered" during sexual intercourse. -0.56 0.09 1.07 1.10
23 I find it difficult to get out of the house to carry out any activity. -0.87 0.09 1.01 1.05