Figure 1From: Thai SF-36 health survey: tests of data quality, scaling assumptions, reliability and validity in healthy men and womenThai SF-36 item-scale correlations. The horizontal axis shows the individual items; the vertical axis shows item-scale correlations. Correlations are labelled with letters to indicate the scale (P = PF, R = RE, B = BP, G = GH, V = VT, S = SF, E = RE, M = MH). Correlations are displayed in large font for hypothesized scales and in smaller font for non-hypothesized scales.Back to article page