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Table 4 Factor Loadings of the 8 SF-36 scales using rotated principal components in Taiwan, Japan, Hong Kong and the US

From: Cultural Issues in Using the SF-36 Health Survey in Asia: Results from Taiwan

  Rotated Principal Components a
  Physical Mental
Scale Expected Taiwan Japan HK US Expected Taiwan Japan HK US
PF 0.80 0.75 0.78 0.85 0.09 0.17 -0.08 0.12
RP 0.80 0.86 0.63 0.81 0.19 0.19 0.34 0.27
BP 0.64 0.51 0.61 0.76 0.28 0.52 0.23 0.28
GH 0.46 0.37 0.70 0.69 0.56 0.66 0.10 0.37
VT 0.16 0.21 0.48 0.47 0.84 0.88 0.51 0.64
SF 0.38 0.45 0.20 0.42 0.61 0.60 0.74 0.67
RE 0.30 0.69 0.05 0.17 0.54 0.34 0.74 0.78
MH 0.02 0.13 0.10 0.17 0.90 0.89 0.77 0.87
  1. Strong association (r ≥ .70) Moderate to substantial association (.30 < r < .70) Weak association (r ≤ .30) a Correlations between each scale and rotated principal component. Source: Data for US is from Ware, J., Snow, K., Kosinski, M., & Gandek, B. (1993). SF-36 Health Survey: Manual & Interpretation Guide. MA: Boston: Nimrod Press. Data for Japan is from Fukuhara S, Ware JE, Kosinski M, Wada S, Gandek B (1998). Psychometric and Clinical Tests of Validity of the Japanese SF-36 Health Survey. J Clin Epidemiol, 51, 1998; 51: 1045–1053 Data for HK is from Lam, C. L., Gandek, B., Ren, X. S., & Chan, M. S. (1998). Tests of scaling assumptions and construct validity of the Chinese (HK) version of the SF-36 Health Survey. J Clin Epidemiol, 51, 1139–1147.