Table 1. Cortisol and prolactin concentrations in nurses and medical technicians working night shift and morning shift.

	Variable	M	SD	t	df	p value
Cortisol	First shift (n=77)	14.29 ug/dL	3.879	-2.345	144	0.020*
	Shift work (n=80)	16.04 ug/dL	5.338
Prolactin	First shift (n=77)	284.84 mlU/L	150.06	-2.366	136	0.019*
	Shift work (n=80)	358.52 mlU/L	232.77

*p<0.05