Table 4.

Multivariate effects on outcome variables^a

Effect		Value	Fb	Significance	Partial eta squared
Baseline STAI score (covariate)	Pillai trace	0.138	3.435	0.041	0.138
	Hotelling trace	0.16	3.435	0.041	0.138
Baseline sleep score (covariate)	Pillai trace	0.425	15.903	0.000	0.425
	Hotelling trace	0.74	15.903	0.000	0.425
Treatment group (independent)	Pillai trace	0.163	4.199	0.022	0.163
	Hotelling trace	0.195	4.199	0.022	0.163
Study center	Pillai trace	0.013	0.292	0.748	0.013
	Hotelling trace	0.014	0.292	0.748	0.013
Group*center	Pillai trace	0.015	0.318	0.729	0.015
	Hotelling trace	0.015	0.318	0.729	0.015

Notes:

^aDesign baseline STAI + baseline sleep + treatment allocation + center + group*center;

^bExact statistic.

Abbreviation: STAI, State-Trait Anxiety Inventory.