Table 2.

Distribution of Fe, Cu, and boron by quartile and clinical defined group of externalizing CBCL scores of PIF 9-year-old children (µg/g, dry weight).

	Quartile Groups:
	Fe:
Externalized CBCL Quartile	Children (n)	Mean	Std Dev	Geo-mean	Min	Max	Median	25th Percentile	75th Percentile
1	69	81.4	57.2	65.3	13.7	246.4	62.9	39.1	106.2
2	85	114.8	215.8	70.5	16.0	1868.7	60.2	40.4	116.3
3	51	117.2	84.9	93.5	22.7	403.0	95.5	55.4	148.7
4	68	107.0	115.9	79.0	17.5	823.8	76.3	50.9	114.3
	Cu:
Externalized CBCL Quartile	Children (n)	Mean	Std Dev	Geo-mean	Mini	Maxi	Median	25th Percentile	75th Percentile
1	69	18.6	9.0	17.04	5.4	64.6	17.0	13.0	21.1
2	85	18.0	9.9	16.47	7.8	78.0	15.5	13.0	20.5
3	51	18.4	6.7	17.36	9.1	41.3	17.3	13.8	21.6
4	68	22.0	14.5	19.34	2.5	116.8	19.0	14.4	25.6
	B:
Externalized CBCL Quartile	Children (n)	Mean	Std Dev	Geo-mean	Mini	Maxi	Median	25th Percentile	75th Percentile
1	69	0.29	0.13	0.27	0.12	0.87	0.27	0.22	0.32
2	85	0.28	0.13	0.27	0.12	0.99	0.27	0.21	0.32
3	51	0.28	0.11	0.27	0.16	0.67	0.28	0.21	0.32
4	68	0.33	0.14	0.30	0.09	0.78	0.28	0.24	0.38
	On Clinical Defined Groups:
	Fe:
Externalising Using CBCL Criteria	Children (n)	Mean	Std Dev	Geo-mean	Mini	Maxi	Median	25th Percentile	75th Percentile
Normal	190	103.6	153.4	72.5	13.7	1868.7	65.4	42.7	121.3
Borderline	47	102.8	76.8	83.2	23.0	369.3	83.5	54.1	117.7
Clinical	40	114.7	138.8	79.9	17.5	823.8	74.7	48.7	121.9
	Cu:
Externalising CBCL Criteria Range	Children (n)	Mean	Std Dev	Geo-mean	Mini	Maxi	Median	25th Percentile	75th Percentile
Normal	190	18.2	8.9	16.8	5.4	78.0	16.3	13.1	21.1
Border line	47	21.3	9.3	19.7	11.9	54.4	18.9	14.5	26.2
Clinical	40	22.0	17.2	18.7	2.5	116.8	18.6	13.9	24.7
	B:
Externalising CBCL Criteria	Children (n)	Mean	Std Dev	Geo-mean	Mini	Maxi	Median	25th Percentile	75th Percentile
Normal	190	0.29	0.12	0.27	0.12	0.99	0.27	0.21	0.32
Border line	47	0.32	0.14	0.30	0.17	0.76	0.28	0.22	0.38
Clinical	40	0.32	0.14	0.30	0.09	0.78	0.29	0.24	0.38