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

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

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

ISSN: 1477-7525