Ten years of progress in the Hokkaido birth cohort study on environment and children’s health: cohort profile—updated 2013

Table 1 Items measured in the Hokkaido study on environment and children’s health

Specimen	Measurement
Exposure measurement
Maternal blood	PCB and dioxin; PCDD and PCDF (congeners)
	OH–PCB (congener level)
	PFCs (PFOS, PFOA and other PFAAs)
	MEHP (phthalate metabolite)
	Chlorinated pesticides
	Cotinine
Maternal hair	Me–Hg
Cord blood	BPA
Child urine	Cotinine
Child urine	Phthalate and phosphate esters (7-year-old)
House dust	Phthalate and phosphate esters (7-year-old)
Biochemical measurements
Maternal blood	TSH, FT4, Folic acid, 11 Fatty acids
Cord blood	IgE, TSH, FT4, 9 Steroid hormones

PCB polychlorinated biphenyls, PCDF polychlorinated dibenzofurans, PCDD polychlorinated dibenzodioxins, OH–PCB hydroxylated polychlorinated biphenyl, PFCs perfluorinated compounds, PFOS perfluorooctane sulfonate, PFOA perfluorooctanoic acid, PFAAs perfluoroalkyl acids, MEHP mono-2-ethylhexyl phthalate, Me–Hg methylmercury, BPA bisphenol A, TSH thyroid stimulating hormone, FT4 free thyroxine

ISSN: 1347-4715