Table 1.

Baseline measures by intervention group, for the subgroup of students with PSQI > 5 at baseline

	Refresh, n = 19 M (SD)	Breathe, n = 15 M (SD)	Significance of group difference
PSQI	7.7 (1.8)	7.5 (1.5)	t = 0.38; p = 0.71
CESD	19.7 (10.4)	14.7 (8.1)	t = 1.57; p = 0.13
Age	18.3 (0.4)	18.6 (1.0)	t = −1.23; p = 0.24
Women*	0.63 (0.50)	0.73 (0.46)	X2 = 0.40; p = 0.53
White/Caucasian*	0.63 (0.50)	0.53 (0.52)	X2 = 0.33; p = 0.56

^*Mean for categorical variables indicates the proportion of students who identified themselves as part of the specified group.