Shiftwork sleep disorder and associated factors among nurses working at public hospitals in Harari Regional state and Dire Dawa Administration, Eastern Ethiopia: a cross-sectional study

Table 2 Other Shiftwork -related characteristics of nurses working at public hospitals in Harari Regional State and Dire Dawa administration, Eastern Ethiopia, 2021(n = 369)

Variables	Category	Frequency	Percentage
Frequency of rotation per day	Two shifts	258	69.9
Frequency of rotation per day	Three shifts	111	30.1
Length of night shift time	8 h	43	11.7
	12 h	80	21.7
	14 h	246	66.7
Number of night shifts per month	< 7 days	37	10
	8–11 days	224	60.7
	> 11 days	108	29.3
Taking a nap	Yes	256	69.4
Taking a nap	No	113	30.6
Used prescribed sleep medication	Yes	37	10
Used prescribed sleep medication	No	332	90
Used non-prescribed sleep medication	Yes	6	1.6
Used non-prescribed sleep medication	No	363	98.4
Used non-prescribed injectable sleep medication	Yes	19	5.1
Used non-prescribed injectable sleep medication	No	350	94.9

ISSN: 1472-6955