Table 2.

General linear models comparing sleep variables between steroid groups and on-vs. off-steroid weeks

		Total sleep timea	Sleep onset latencya	Sleep qualitya		Night wakeningsb	Nappingb
Prednisone vs. dexamethasone, on steroid	Mean difference	−0.39	0.12	1.21*	Rate ratio	0.45*	0.50
	95 % CI	−0.90, 0.14	−0.25, 0.50	0.25, 2.18	95 % CI	0.23, 0.85	0.20, 1.21
Prednisone vs. dexamethasone, off steroid	Mean difference	−0.19	0.02	0.86*	Rate ratio	0.70	0.70
	95 % CI	−0.66, 0.27	−0.23, 0.27	0.15, 1.57	95 % CI	0.37, 1.30	0.32, 1.50
Off- vs. on-steroid, dexamethasone	Mean difference	0.06	−0.03	0.70**	Rate ratio	0.54**	0.70**
	95 % CI	−0.09, 0.20	−0.10, 0.05	0.35, 1.05	95 % CI	0.42, 0.69	0.57, 0.85
Off- vs. on-steroid, Prednisone	Mean difference	0.25*	−0.13	0.35	Rate ratio	0.84	0.98
	95 % CI	0.01, 0.50	−0.30, 0.03	−0.24, 0.93	95 % CI	0.54, 1.32	0.72, 1.33

^*p < 0.05

^**p < 0.01

^aLinear models

^bPoisson models