Health and Quality of Life Outcomes

Table 6 Correlation of the SF-8 scale scores PCS and MCS proposed by Ware et al. [8] and the scale scores based on the Bi-factor models

From: Confirmatory and bi-factor analysis of the Short Form Health Survey 8 (SF-8) scale structure in a German general population sample

	M	SD	Skewness¹	PHS (2-DIM)	PHS (3-DIM)	OHS	MHS	SF-8 total
PCS	50.31	8.40	−1.331	.960	.974	.771	.599	.882
MCS	53.25	7.83	−1.731	.613	.513	.647	.939	.794
PHS (2-DIM)	50.00	10.00	−0.943	.898²	.954	.893	.716	.957
PHS (3-DIM)	50.00	10.00	−1.497		.892	.718	.689	.918
OHS (3-DIM)	50.00	10.00	−1.121			.779	.633	.852
MHS	50.00	10.00	−1.168				.854	.887
SF-8 Total	50.00	10.00	−1.211					.918

¹Standard error of skewness = .049; ²Cronbachs α in the diagonal (italics)

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ISSN: 1477-7525

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