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. 2016 Feb 28;60(5):608–618. doi: 10.1093/annhyg/mew006

Table 3.

Effects of subject and particle size on the performance of RPDs (two-way ANOVA)

Protection device	Factor	P value
SM1	Subject	<0.0001**
SM1	Size	0.822
SM2	Subject	<0.0001**
SM2	Size	0.384
N95 SMR1	Subject	<0.0001**
N95 SMR1	Size	0.170
N95 SMR2	Subject	<0.0001**
N95 SMR2	Size	0.129
FS Prototype N100	Subject	<0.0001**
FS Prototype N100	Size	<0.0001**
Control N100 FFR	Subject	0.004**
Control N100 FFR	Size	<0.0001**

**P < 0.01.