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Table 2 Communalities (h2) and factor loadings by Varimax rotation with Kaiser normalization

From: Validity and reliability of the Malay version of sleep apnea quality of life index – preliminary results

Domain/item Factor 1 Factor 2 Factor 3 h 2
  Social interactions Daily functioning Emotional functioning  
A: daily functioning
  A1   0.751   0.826
  A2   0.799   0.705
  A3   0.769   0.789
  A4   0.688   0.754
  A5   0.823   0.805
  A6   0.719   0.774
  A7   0.822   0.795
  A8   0.757   0.711
  A9   0.621   0.621
  A10   0.637   0.666
  A11   0.780   0.859
B: social interactions
  B1 0.651    0.687
  B2 0.661    0.736
  B3 0.793    0.858
  B4 0.842    0.872
  B5 0.591 0.623   0.739
  B6 0.870    0.898
  B7   0.677   0.819
  B8 0.768    0.865
  B9 0.783    0.858
  B10 0.830    0.887
  B11 0.792    0.861
  B12 0.731    0.826
  B13 0.804    0.860
C: emotional functioning
  C1 0.625   0.599 0.825
  C2    0.602 0.718
  C3 0.603   0.638 0.840
  C4 0.537   0.694 0.868
  C5 0.579   0.665 0.853
  C6 0.674    0.776
  C7 0.617   0.619 0.794
  C8 0.592   0.626 0.841
  C9    0.609 0.680
  C10    0.690 0.571
  C11    0.635 0.608
D: symptoms
  D1   0.650 0.554 0.838
  D2   0.628   0.803
  D3   0.684   0.749
  D4   0.692   0.762
  D5   0.607   0.672
  1. Note: Values 0.55 and lower were suppressed.