Prevalence and correlates of depressive symptoms among nurses during COVID-19 pandemic

Table 3 Comparison between the studied groups regarding Patient Health Questionnaire (PHQ) score

Parameter	Groups		Test
	Nurses directly exposed to COVID-19 group	Nurses less exposed to COVID-19 group	Test of sig	p
	N = 228 (%)	N = 228 (%)	Test of sig	p
PHQ-9 score
Median	12	9	Z (− 5.745)	< 0.001**
IQR	9–17	6–13
Range	1–26	0–22
PHQ-9
No depression	87 (38.2%)	187 (82%)	χ² 84.495^§	< 0.001**
Mild depression	37 (16.2%)	15 (6.6%)
Moderate depression	53 (23.2%)	17 (7.5%)
Severe depression	51 (22.4%)	9 (3.9%)

Z Mann Whitney test χ² Chi square for trend test **p ≤ 0.001 is statistically highly significant IQR interquartile range