TABLE 3.

Comparison of the level of hardiness among the nurses before the COVID-19 and during the COVID-19.

Group Variables	Before COVID-19 (n = 266)			During COVID-19 (n = 242)			Independent t test	Effect size	P value
	Median	Mean	SD	Median	Mean	SD
Control	15.00	14.31	2.28	15.00	14.20	2.52	0.49	0.05	0.62
Challenge	17.00	16.65	2.73	17.00	16.90	2.69	−1.05	0.09	0.29
Obligation	16.00	15.96	2.75	16.00	15.73	2.89	0.92	0.08	0.35
Hardiness	47.00	46.92	7.05	47.50	46.84	7.14	0.13	0.01	0.89

SD, Standard Deviation.