Table 2. The proportion of men and women at risk of depression and the degree of stress perception according to day and night/shift work.

Variables		Depression risk		p value*	Stress perception		p value*
		Low risk	High risk		Low	High
Male				0.031			0.57
	Day work	4,545 (97.6)	111 (2.4)		3,525 (75.8)	1,123 (24.2)
	Night/Shift work	846 (96.4)	32 (3.6)		658 (74.9)	220 (25.1)
Female				0.001			0.783
	Day work	4,163 (95.1)	214 (4.9)		3,145 (71.8)	1,237 (28.2)
	Night/Shift work	836 (92.4)	69 (7.6)		644 (71.3)	259 (28.7)

^*Calculated by χ² test.