Table 1a.
Dichloromethane exposure patterns in relation to demographic characteristics
| Ever Exposed* | Never Exposed | |
|---|---|---|
| Total N = 284,309 | 25,200 (8.9%) | 259,109 (91.1%) |
| Child’s Sex | ||
| Male | 12,830 (8.8%) | 132,872 (91.2%) |
| Female | 12,370 (8.9%) | 126,237 (91.1%) |
| Maternal age | ||
| <20 | 2,954 (9.9%) | 26,931 (90.1%) |
| 20–24 | 6,549 (9.6%) | 61,847 (90.4%) |
| 25–29 | 7,315 (9.3%) | 71,483 (90.7%) |
| 30–34 | 5,504 (8.3%) | 60,911 (91.7%) |
| 35+ | 2,868 (7.0%) | 37,895 (93.0%) |
| Missing | 10 | 42 |
| Maternal education (1989+) | ||
| < 8 years | 4,196 (13.7%) | 26,515 (86.3%) |
| 9–11 years | 4,594 (10.2%) | 40,261 (89.8%) |
| 12 years | 5,774 (8.3%) | 63,520 (91.7%) |
| 13–15 years | 3,456 (7.0%) | 46,136 (93.0%) |
| 16+ | 2,906 (5.9%) | 46,703 (94.1%) |
| Missing | 195 | 4,451 |
| Neighborhood SES-Index Variable | ||
| 1 (lowest) | 8,520 (12.0%) | 62,455 (88.0%) |
| 2 | 6,949 (10.1%) | 62,146 (89.9%) |
| 3 | 4,280 (6.8%) | 58,743 (93.2%) |
| 4 | 3,084 (6.9%) | 41,891 (93.1%) |
| 5 (highest) | 2,367 (6.5%) | 33,874 (93.5%) |
| Method of Payment for Prenatal Care (1989+) | ||
| Private, HMO, Blue Cross, Blue Shield | 11,052 (9.0%) | 111,735 (91.0%) |
| Medi-Cal, Government, Self-pay, Military | 9,841 (8.0%) | 113,558 (92.0%) |
| Missing | 228 | 2,546 |
| Mother’s Race | ||
| White Non-Hispanic | 5,772 (5.8%) | 94,070 (94.2%) |
| Hispanic | 14,930 (11.4%) | 115,536 (88.6%) |
| Black | 1,793 (9.6%) | 16,919 (90.4%) |
| Other/refused | 2,705 (7.7%) | 32,584 (92.3%) |
| Father’s Race | ||
| White Non-Hispanic | 5,537 (6.3%) | 81,967 (93.7%) |
| Hispanic | 14,445 (11.7%) | 109,394 (88.3%) |
| Black | 1,894 (10.1%) | 16,945 (89.9%) |
| Other/refused | 3,324 (6.2%) | 50,803 (93.8%) |
| Urban/Rural | ||
| Metropolitan | 25,200 (9.7%) | 233,856 (90.3%) |
| Micropolitan/Small Town | 0 (0%) | 11,987 (100%) |
| Rural | 0 (0%) | 13,266 (100%) |
*
Children and pregnant women living within 3km of dichloromethane releases