Table 3.

Median absolute correlation within exposure groups for the pregnancy and childhood periods. Overall and centered within-cohort correlations are provided.

Exposure group	Pregnancy period				Childhood period
	N	Overall Median (min-max)	Within-cohort Median (min-max)	I² Median (min-max)	N	Overall Median (min-max)	Within-cohort Median (min-max)	I² Median (min-max)
All exposure variables	87	0.08 (0.00–0.99)	0.03 (0.00–0.94)	0.54 (0.00–0.99)	122	0.07 (0.00–0.98)	0.03 (0.00–0.98)	0.00 (0.00–0.99)

Atmospheric pollutants	4	0.30 (0.11–0.74)	0.53 (0.47–0.63)	0.96 (0.94–0.97)	4	0.44 (0.21–0.76)	0.55 (0.47–0.62)	0.97 (0.89–0.98)
UV	0	-	-	-	1	-	-	-
Surrounding natural spaces	3	0.07 (0.02–0.22)	0.05 (0.04–0.32)	0.51 (0.00–0.79)	6	0.11 (0.01–0.67)	0.09 (0.01–0.34)	0.26 (0.00–0.90)
Meteorology	3	0.54 (0.27–0.70)	0.11 (0.10–0.59)	0.95 (0.95–0.98)	2	0.67 (0.67–0.67)	0.47 (0.47–0.47)	0.97 (0.97–0.97)
Built environment	9	0.27 (0.01–0.89)	0.28 (0.01–0.89)	0.86 (0.00–0.98)	15	0.27(0.00–0.72)	0.17(0.00–0.68)	0.71 (0.00–0.97)
Traffic	3	0.26 (0.06–0.31)	0.21 (0.10–0.35)	0.84 (0.82–0.93)	5	0.20 (0.11–0.57)	0.13 (0.02–0.56)	0.70 (0.00–0.99)
Road traffic noise	1	-	-		3	0.34 (0.23–0.59)	0.11 (0.05–0.32)	0.24 (0.00–0.99)
OCs	8	0.38 (0.01–0.97)	0.42 (0.11–0.95)	0.92 (0.63–0.99)	8	0.42 (0.05–0.96)	0.56 (0.18–0.94)	0.83 (0.00–0.97)
PBDE	2	0.21 (0.21–0.21)	0.11 (0.11–0.11)	0.87 (0.87–0.87)	2	0.36 (0.36–0.36)	0.34 (0.34–0.34)	0.37 (0.37–0.37)
PFASs	5	0.49 (0.12–0.67)	0.52 (0.29–0.73)	0.91 (0.54–0.94)	5	0.45 (0.30–0.60)	0.50 (0.26–0.55)	0.67 (0.00–0.92)
Metals and elements	10	0.07 (0.00–0.99)	0.03 (0.00–0.30)	0.00 (0.00–0.91)	10	0.06 (0.01–0.51)	0.09 (0.01–0.42)	0.07 (0.00–0.89)
Phthalate metabolites	10	0.23 (0.00–0.91)	0.21 (0.00–0.91)	0.65 (0.00–0.99)	10	0.25 (0.08–0.98)	0.25 (0.06–0.97)	0.23 (0.00–0.92)
Phenols	7	0.18 (0.01–0.57)	0.14 (0.03–0.53)	0.31 (0.00–0.99)	7	0.21 (0.07–0.64)	0.17 (0.07–0.58)	0.40 (0.00–0.95)
OP pesticide metabolites	4	0.32 (0.24–0.63)	0.33 (0.24–0.59)	0.85 (0.74–0.97)	5	0.26 (0.18–0.50)	0.27 (0.17–0.51)	0.61 (0.00–0.93)
Tobacco smoking	3	0.54 (0.27–0.62)	0.41(0.33–0.45)	0.91 (0.83–0.91)	3	0.42 (0.38–0.51)	0.43 (0.37–0.51)	0.88 (0.85–0.90)
Water DBPs	3	0.69 (0.39–0.76)	0.38 (0.19–0.39)	0.97 (0.86–0.99)	0	-	-	-
Indoor air pollution	0	-	-	-	5	0.20 (0.05–0.43)	0.14 (0.01–0.53)	0.60 (0.00–0.83)
Lifestyle	12	0.11 (0–0.42)	0.03 (0.00–0.14)	0.00 (0.00–0.58)	27	0.07 (0.00–0.59)	0.04 (0.00–0.70)	0.00 (0.00–0.91)
Socio-economic capital	0	-	-	-	4	0.06 (0.02–0.15)	0.04 (0.00–0.13)	0.00 (0.00–0.46)

N: number of compounds assessed in the exposure family. min-max: minimum and maximum values observed across all pairs of exposures in the exposure group