Table 2.

Comparison of MISS score mean and standard deviation amongst male and female workers by flexible work arrangement

	N	Mean	SD	Non-flexible worker			Flexible worker
				N	Mean	SD	N	Mean	SD
Total subjects	31,243	2.03	2.33	29,068	2.00	2.31	2,175	2.40	2.52
Male	14,616	1.85	2.23	13,609	1.81	2.20	1,007	2.35	2.48
Female	16,627	2.19	2.40	15,459	2.17	2.39	1,168	2.44	2.55

MISS, Minimal Insomnia Symptoms Scale; N. The number of subjects surveyed; SD. Standard Deviation.