. Author manuscript; available in PMC: 2015 Nov 30.

Published in final edited form as: J Occup Environ Hyg. 2015 Nov;12(11):753–760. doi: 10.1080/15459624.2015.1047025

TABLE V.

Variance Component Estimates for Respirator FFR-A

Variance Component	Variance	Standard Deviation	Geometric Standard Deviation	Coefficient of Variation
Var(Panel), Σα_i²	0.002607	0.0511	1.1	5.1%
Var(subject(Panel)),σs²	0.989568	0.9948	2.7	130%
Var(Error), σ²	0.211286	0.4597	1.6	48.5%