Table 1.

Demographic data.

	NS nurses	nNS nurses
Number	20	20
Age (years)	35.5 ± 2.5	33.8 ± 3.1
Gender	Female	Female
Years of nursing (years)	2.5 ± 1.1	2.6 ± 1.2
Serum total IgE	<0.35 IU/ml	<0.35 IU/ml
Regular menstrual	20 (100%)	20 (100%)
Blood glucose (mmol/L)	4.55 ± 1.56	4.61 ± 1.85
Second job nurse	0	0
Sleep disorder nurse	0	0
Mood disorder nurse	0	0