Table 4.

Benchmark ordinary least squares model tests for heteroscedasticity and normality of residuals

Breusch–Pagan test				Shapiro–Wilks test			Prob > z
Variable χ 2		χ 2	p value	W	V	z
df	p
Physical functioning		18.98	0.0000a	–	–		–
Emotional functioning		12.58	0.0012a	–	–		–
Pain		14.65	0.0004a	–	–		–
Simultaneous		25.51	0.0000	0.95326	6.117	4.135	0.00002

^aBonferroni corrected