. Author manuscript; available in PMC: 2013 Jul 31.

Published in final edited form as: J R Stat Soc Ser C Appl Stat. 2012 Apr 24;61(4):653–664. doi: 10.1111/j.1467-9876.2011.01028.x

Table 3.

Wilcoxon test statistics for MEPS data accounting for different features of the survey design.

Variable	Scenario	X²	P-value
Education	Ignoring Design	959.81	< .0001
	Ignoring Strata	267.28	< .0001
	Ignoring Clusters	686.69	< .0001
	Ignoring Weights	467.91	< .0001
	Incorporating Design	355.10	< .0001
Income	Ignoring Design	1933.38	< .0001
	Ignoring Strata	400.79	< .0001
	Ignoring Clusters	1347.41	< .0001
	Ignoring Weights	632.16	< .0001
	Incorporating Design	626.24	< .0001
Perceived Health Status	Ignoring Design	0.03	0.864
	Ignoring Strata	0.99	0.319
	Ignoring Clusters	1.33	0.249
	Ignoring Weights	0.03	0.872
	Incorporating Design	1.06	0.301
BMI	Ignoring Design	0.52	0.472
	Ignoring Strata	3.28	0.070
	Ignoring Clusters	3.89	0.048
	Ignoring Weights	0.40	0.525
	Incorporating Design	3.28	0.070