Table 2. Immediate effectiveness of the RPE education program.

Results of qualitative fit test for RPE
Initial fit test			Final fit test				p-value
			Pass		Fail
			N	%	N	%
Subgroup by mask change
			Post VFlex 9102S				0.070
	Initial VFlex 9102S	Pass	5	58.3	1	33.3
		Fail	7	41.7	2	66.7
			Post VFlex 9102				1.000
	Initial VFlex 9102S	Pass	1	50.0	0	0.0
		Fail	1	50.0	2	100.0
			Post VFlex 9102S				0.004
	Initial VFlex 9102	Pass	3	25.0	0	0.0
		Fail	9	75.0	5	100.0
			Post VFlex 9102S				0.070
	Initial VFlex 9102	Pass	4	36.4	1	33.3
		Fail	7	63.6	2	66.7
Overall							<0.001
		Pass	13	35.1	2	15.4
		Fail	24	64.9	11	84.6

RPE: respiratory protective equipment

Statistical analysis: McNemar test