Dietary Predictors and Plasma Concentrations of Perfluorinated Compounds in a Coastal Population from Northern Norway

Table 3

Back-transformed parameter estimates, 95% confidence interval (CI) and 𝑃 values for the final regression models of selected PFCs and significant predictors.

	PFOS		PFOA		PFHxS		PFHpS
	𝛽 (95% CI)	𝑃	𝛽 (95% CI)	𝑃	𝛽 (95% CI)	𝑃	𝛽 (95% CI)	𝑃
Male sex	1.75 (1.43, 2.14)	<.001	1.44 (1.12, 1.85)	.009	2.72 (1.86, 3.92)	<.001	2.07 (1.57, 2.74)	<.001
Age (years)	1.02 (1.01, 1.03)	<.001	1.01 (0.998, 1.02)	.096	1.03 (1.01, 1.03)	<.001	1.03 (1.01, 1.04)	<.001
Consumption of fatty fish (150 g per week during a year)	1.22 (1.02, 1.45)	.029					1.32 (1.03, 1.68)	.027
Consumption of fruit and vegetables (150 g per day during a year)	−1.16 (−1.08, −1.25)	<.001					−1.17 (−1.06, −1.29)	.002
𝑅^2 (%)	57		17		41		50

𝛽, parameter estimates (back-transformed logresults); 𝑅², coefficient of determination, that is, the proportion of variability in the dataset that is explained by the model; PFOS, perfluorooctane sulfonate; PFOA, perfluorooctanoate; PFHxS, perfluorohexane sulfonate; PFHpS, perfluoroheptane sulfonate.