Table 2.

Adjusted Percent Change (95% Confidence Interval) in Measles, Mumps, and Rubella Antibody Titer with a Doubling in Polyfluorinated Compound Serum Concentration among Children Aged 12 – 19 Years, National Health and Nutrition Examination Survey, 1999 – 2000 and 2003 – 2004

	Measles		Mumps		Rubella
	All (n=1188)	Seropositive (n=1152)	All (n=1186)	Seropositive (n=1101)	All (n=1190)	Seropositive (n=1148)
Polyfluorinated Compound
PFOS	−3.5 (−18.3, 14.0)	−2.9 (−17.3, 13.9)	−7.4 (−12.8, −1.7)	−5.9 (−9.9, −1.6)	−8.4 (−17.9, 2.1)	−13.3 (−19.9, −6.2)
PFOA	−0.1 (−13.8, 15.6)	−3.4 (−16.7, 11.9)	−6.0 (−12.4, 0.9)	−6.6 (−11.7, −1.5)	−2.5 (−9.1, 5.3)	−8.9 (−14.6, −2.9)
PFHxS	−3.8 (−11.5, 4.6)	−2.8 (−10.1, 5.21)	−2.6 (−6.7, 1.7)	−2.3 (−5.5, 0.9)	−5.0 (−10.8, 1.2)	−6.0 (−9.6, −2.2)
PFNA	1.8 (−11.4, 17.1)	1.1 (−11.8, 15.9)	−2.7 (−7.2, 2.0)	−2.7 (−8.4, 3.4)	3.2 (−5.3, 12.6)	0.6 (−6.7, 8.5)

Adjusted for age (continuous), sex, race/ethnicity, survey year