. Author manuscript; available in PMC: 2017 Jun 1.

Published in final edited form as: Ann Occup Hyg. 2016 Feb 17;60(5):581–596. doi: 10.1093/annhyg/mew001

Table 4.

Method of Triads results (n=160)

Paired exposures	Correlation		Estimated validity compared to T	Validity

	Coefficient	p-value		Coefficient	95% bootstrap CI^**
Dosimetry-area	0.30	0.0005	Dosimetry	0.70	0.68–0.72
Dosimetry-perceived^*	0.28	0.002	Perceived	0.50	0.48–0.51
Area-perceived^*	0.22	0.02	Area	0.41	0.40–0.42

P1, Difficulty hearing item

^**

Created from 1000 bootstrap samples

T = “True” exposure