BMC Public Health

Table 3 Frequencies of child blood As levels at Time I testing by community (N = 252)

From: A comparison of arsenic exposure in young children and home water arsenic in two rural West Texas communities

	Community 1				Community 2
As intervals (μg/dL)	Freq	Freq %	Cumul Freq	Cumul Freq %	Freq	Freq %	Cumul Freq	Cumul Freq %
2.800–2.999	0	0.0	102	100.0	0	0.0	150	100.0
2.600–2.799	1	1.0	102	100.0	0	0.0	150	100.0
2.400–2.599	0	0.0	101	99.0	2	1.3	150	100.0
2.200–2.399	2	2.0	101	99.0	1	0.7	148	98.7
2.000–2.199	0	0.0	99	97.1	1	0.7	147	98.0
1.800–1.999	4	3.9	99	97.1	4	2.7	146	97.3
1.600–1.799	6	5.9	95	93.1	3	2.0	142	94.7
1.400–1.599	10	9.8	89	87.3	7	4.7	139	92.7
1.200–1.399^a	10	9.8	79	77.5	28	18.7	132	88.0
1.000–1.199	6	5.9	69	67.6	24	16.0	104	69.3
0.800–0.999	6	5.9	63	61.8	33	22.0	80	53.3
0.600–0.799	15	14.7	57	55.9	33	22.0	47	31.3
0.400–0.599	22	21.6	42	41.2	14	9.3	14	9.3
0.200–0.399	14	13.7	20	19.6	0	0.0	0	0.0
0.000–0.199	6	5.9	6	5.9	0	0.0	0	0.0
Total	102	100.0	102	100.0	150	100.0	150	100.0

^a 1.2 μg/dL, CDC As blood level limit

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ISSN: 1471-2458

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