Table 3.

Differences Between the Two Groups in Knowledge, Attitude, and Personal Protective Equipment Performance Before and After Education.

	Variables	Experimental group (n = 28); N (%) or M ± SD	Control group (n = 28); N (%) or M ± SD	t or χ2		p
Before	Knowledge	13.85 ± 1.15	13.68 ± 1.26		−0.01	.989
	Attitude	3.96 ± 0.60	3.95 ± 0.55		0.32	.748
After	Knowledge	15.57 ± 1.26	15.28 ± 0.98		1.54	.129
	Attitude	4.23 ± 0.48	4.14 ± 0.52		0.65	.518
	PPE performance
	Total no. of contamination sites*	42 (100)	89 (100)		−3.96	.000*
	Hand	38 (90)	63 (71)		2.78	.007*
	Face	3 (7)	9 (10)		1.65	.107
	Hair	0	8 (9)		2.82	.009*
	Body	1 (3)	9 (10)		2.02	.052
	Contamination area (cm2)	16.63 ± 24.27	95.41 ± 117.51		−3.47	.002*
	Mask fit test				−0.93	.354
	Pass	19 (68)	14 (50)
	Fail	9 (32)	14 (50)

PPE = personal protective equipment.

*p < .05.