Table 1.
Characteristics of cases (n=209) and controls (n= 235), NCCLS, 2001–2006, included in the reliability study of self-reported pesticide use
| Characteristics | Cases n (%) |
Controls n (%) |
|---|---|---|
| Gender | ||
| Male | 125 (59.8) | 139 (59.2) |
| Female | 84 (40.2) | 96 (40.8) |
| Age at diagnosis, years (reference date for controls) | ||
| Mean (s.e.) | 3.76 (0.13) | 3.88 (0.12) |
| Race/ethnicity | ||
| Non-Hispanic white | 72 (34.4) | 106 (45.1) |
| Hispanic | 88 (42.1) | 85 (36.2) |
| Non-Hispanic black | 7 (3.4) | 7 (3.0) |
| Non-Hispanic other races | 42 (20.1) | 37 (15.7) |
| Maternal age at child’s birth, years | ||
| Mean (s.e.) | 30.3 (0.43) | 30.5 (0.38) |
| Household income, $ | ||
| < 29,999 | 53 (25.4) | 37 (15.7) |
| 30,000–44,999 | 30 (14.3) | 27 (11.5) |
| 45,000–59,999 | 27 (12.9) | 34 (14.5) |
| 60,000–74,999 | 16 (7.7) | 26 (11.1) |
| ≥ 75,000 | 83 (39.7) | 111 (47.2) |
| Maternal education | ||
| High school or less | 66 (31.6) | 68 (28.9) |
| Some college | 60 (28.7) | 68 (28.9) |
| College or postgraduate | 83 (39.7) | 99 (42.2) |
| Paternal education | ||
| High school or less | 82 (40.0) | 82 (35.6) |
| Some college | 40 (19.5) | 63 (27.4) |
| College or postgraduate | 83 (40.5) | 85 (37.0) |
| Urban/rural residence | ||
| Rural | 22 (10.5) | 36 (15.3) |
| Suburban | 32 (15.3) | 24 (10.2) |
| Urban | 155 (74.2) | 175 (74.5) |
| Days between interviews | ||
| Mean (s.e.) | 218.6 (7.2) | 212.9 (5.4) |