Psychometric evaluation of health related quality of life among rural-to-urban migrants in China

Table 2 Overall and subgroup Cronbach’s alpha coefficients of SF-36

		Cronbach's Alpha	Cronbach's Alpha if item deleted
		Cronbach's Alpha	PF	RP	BP	GH	VT	SF	RE	MH
Overall		0.770	0.773	0.759	0.732	0.745	0.729	0.721	0.762	0.723
Gender	Male	0.762	0.763	0.752	0.719	0.735	0.717	0.710	0.756	0.721
Gender	Female	0.778	0.782	0.766	0.743	0.754	0.741	0.730	0.768	0.727
Marriage	Y	0.765	0.769	0.754	0.725	0.739	0.731	0.707	0.756	0.718
Marriage	N	0.783	0.787	0.773	0.747	0.751	0.737	0.745	0.777	0.739
Age	Before 80’s	0.763	0.773	0.752	0.729	0.741	0.718	0.700	0.752	0.720
Age	After 80’s	0.778	0.779	0.768	0.739	0.750	0.739	0.738	0.770	0.732
Settled	Y	0.795	0.791	0.787	0.772	0.763	0.764	0.761	0.785	0.747
Settled	N	0.765	0.770	0.754	0.725	0.742	0.723	0.714	0.758	0.719
Income (RMB, Yuan)	1000-2000	0.753	0.756	0.743	0.717	0.720	0.709	0.709	0.747	0.701
	2000-3000	0.805	0.811	0.797	0.762	0.795	0.768	0.749	0.799	0.768
	Over 3000	0.733	0.741	0.724	0.705	0.696	0.685	0.668	0.720	0.687

ISSN: 1477-7525