Table A1.

Estimated slope (s) and statistical significance of a multiple linear regression for AAMA and GAMA in µg/g creatinine (after normalization by logarithmic transformation using natural logarithm, ln) and in function of the sampling day in children. ***: $p<0.001$; ns: not significant.

Study	AAMA (ln(µg/g Creatinine)/Day)	GAMA(ln(µg/g Creatinine)/Day)
UBA, GerES V (Germany), children	s: 0.0002, ***	s: 0.0003, ***
EPIUD, NAC II (Italy), children	s: 0.0008, ***	s: 0.0003, ns
ANSP, ESTEBAN (France), children	s: 0.0004, ns	s: −0.0003, ns