Table 1.

Baseline characteristics of the nurses

	Variables	N	%
Age	Mean age (SD)	36.9 (8.1)
Age group (years)	21–30	638	26.4
	31–40	1033	42.7
	> 40	747	30.9
Marital status	Single	395	16.3
	Married	2023	83.7
No. of children	No child	502	20.9
	1–3 child	1419	59.2
	>3 child	475	19.9
Education level	Certificate	569	23.6
	Diploma	1720	71.2
	Degree and above	126	5.2
Household income	B40	788	37.0
	M40	1173	55.0
	T20	171	8.0
Level of healthcare	Hospital	1524	63.0
	Primary care	894	37.0
Year of service (years)	1–5	435	18.2
	6–10	635	26.5
	>10	1322	55.3
Time spent on clinical activities	>50%	1547	67.2
	<50%	756	32.8
Shift work	Yes	1056	44.6
	No	1311	55.4
Total number of shifts per month	>24×	544	49.8
	<24×	549	50.3
Number of night shifts per month (evening+night)	> 6×	409	40.7
	1–6×	596	59.3
Number of double shifts per month	> 5×	103	25.9
	1–4×	294	74.1
Number of on calls/extended hours per month	1–3×	324	36.9
	4–6×	217	24.7
	>7×	338	38.4
Sleeping hours	<6 hours	673	28.8
	6–7 hours	1305	55.9
	>7 hours	358	15.3
Encountered traumatic events at work	Yes	667	27.7
	No	1737	72.3
Received debriefing/psychological support for post-traumatic events	Yes	189	28.8
	No	468	71.2
Travelling time to the workplace	>30 min	444	18.5
	16–30 min	817	34.1
	<15 min	1138	47.4