Skip to main content
. Author manuscript; available in PMC: 2018 Dec 6.
Published in final edited form as: J Breath Res. 2017 Dec 6;12(1):016008. doi: 10.1088/1752-7163/aa863c

Table 2.

Regression Estimates of Associations in the EPA-Matched Subset

X v. Y Plasma Plasma v EBC EBC Plasma v Saliva Saliva EBC v Saliva
Bivariate Full Bivariate Full Bivariate Full
N 413 318 240
Coefficients (SE)
 α – 0.60 (0.04)** – 0.77 (0.04)** – 0.74 (0.04)**
 β −0.46 – 0.02
(0.18 – 0.33)		 −0.28 – 0.15
(0.25 – 0.58)*		 −0.52 – 0.08
(0.20 – 0.33)		 −0.08 – 0.42
(0.24 – 0.25)		 −0.55 – 0.13
(0.23 – 0.31)		 −0.08 – −0.06
(0.27 – 0.27)
 γ 0.10 – 0.15
(0.20 – 0.20)		 −0.66 – −0.43
(0.29 – 0.30)		 −0.37 – −0.04
(0.23 – 0.23)		 −0.53 – −0.34
(0.28 – 0.28)		 −0.22 – −0.15
(0.25 – 0.25)		 −0.19 – 0.22
(0.31 – 0.32)

SE = standard error;

*

= p < 0.05;

**

= p < 0.001; α is the coefficient for Xij; Factor coefficients, β and γ, are ranges of coefficients and SE across levels for subject and sampling time, respectively; Significance for range indicates at least one level was statistically significant