Table 3.

Sleep Variables by Final Vitamin Grouping

	No Vitamin		Multi-/Multiple Vitamins
	N = 263		N = 218
	M	SD	M	SD
SOLa	23.2	18.5	23.2	20.8
NWAKb**	1.4	1.0	1.8	1.1
WASOa*	24.2	26.9	29.3	30.4
TSTa	426.2	72.0	419.7	69.7
SEc	86.1	9.2	85.4	9.3
SQRd	3.4	0.6	3.4	0.7

^*p < .05.

^**p < .01.

Note. SOL – sleep onset latency; NWAK – number of awakenings; WASO – wake time after sleep onset; TST – total sleep time; SE – sleep efficiency; SQR – sleep quality rating

^aUnit of measurement is minutes.

^bUnit of measurement is count of awakenings.

^cUnit of measurement is percentage.

^dUnit of measurement is rating on a 5-point scale