. Author manuscript; available in PMC: 2018 Nov 21.

Published in final edited form as: Stat Methods Med Res. 2014 Nov 28;26(2):839–864. doi: 10.1177/0962280214560046

Table 3.

Proportion of significant (p < α) within-subclass balance tests.

Elimination	K (# subclasses)	α = 0.01	α = 0.05
E1	5	0.018	0.103
	10	0	0.052
	15	0.004	0.042
E2	5	0.012	0.115
	10	0.009	0.079
	15	0.006	0.053
E3	5	0.018	0.097
	10	0.006	0.064
	15	0.014	0.048