Table 2.

Characteristics of childhood acute lymphocytic leukemia cases and controls included in the parental occupational pesticide analyses.

Characteristic	Cases (n=669)		Controls (n=1021)
	N	%	N	%
Age, yearsa
0–4	379	57	581	57
5–9	191	29	290	28
10–14	99	14	150	15
Sexa
Male	375	56	585	57
Female	294	44	436	43
Latinoa*
Yes	334	50	468	46
No	329	50	553	54
Maternal racea
White	547	82	872	85
Black	27	4	32	3
Asian or other	92	14	117	12
Annual household income, $**
<30,000	226	34	236	23
30,000–59,999	208	31	268	26
≥60,000	235	35	517	51

^aMatching criteria.

^*Chi-square test for difference between cases and controls p < 0.05.

^**Chi-square test for difference between cases and controls p < 0.001.