N = 1461
	Item	N		%
Sex (a)	Female	1335		8.2
	Male	119		91.8
Age group	20s	610		41.8
	30s	452		30.9
	40s and older	399		27.3
Marital status (a)	Unmarried	950		65.4
	Married	502		34.6
Engaged in childcare (a)	No	1031		71.0
	Yes	421		29.0
Engaged in nursing care (a)	No	1338		91.8
	Yes	120		8.2
Years of experience as a nurse	11.6 ± 9.0
No. of years at present position	3.7 ± 3.5
Work schedule	Day shift	296		20.4
	Other shifts	1125		78.4
	Other	20		1.2
No. of overtime hours worked in the previous month (a)	None	71		4.9
No. of overtime hours worked in the previous month (a)	Under 10	703		48.9
	10 to under 20	444		30.9
	20 to under 30	145		10.1
	30 to under 40	52		3.6
	40 or more	24		1.7
No. of paid vacation days taken during the previous fiscal year (a)	0 to under 10	932		65.8
	10 to under 20	448		31.6
	20 to under 30	27		1.9
	30 to under 40	4		0.3
	40 to under 50	4		0.3
	50 or more	2		0.1
Receiving outpatient care (a)	No	1154		79.1
	Yes	305		20.9
Location of hospital	Major city	1074		73.5
	Regional city	387		26.5