Table 2.
Demographic Characteristics of 754 Total Participants and 359 Participants Aged ≤50 Years Who Completed the Lanthony Desaturated D-15 Panel Test, Bay Area Solvent Study, 2007–2013
| Characteristic | All Participants |
Participants Aged ≤50 Years |
||||
|---|---|---|---|---|---|---|
| No. | % | Median (IQR) | No. | % | Median (IQR) | |
| Working as auto mechanic at time of assay | ||||||
| Yes | 350 | 46.4 | 178 | 49.6 | ||
| No | 404 | 53.6 | 181 | 50.4 | ||
| Race/ethnicity | ||||||
| Non-Hispanic white | 476 | 63.1 | 215 | 59.9 | ||
| Hispanic white | 114 | 15.1 | 67 | 18.7 | ||
| Asian | 70 | 9.3 | 34 | 9.5 | ||
| Black | 22 | 2.9 | 7 | 1.9 | ||
| Other or multiracial | 72 | 9.5 | 36 | 10.0 | ||
| Smoking statusa | ||||||
| Current smoker | 222 | 29.6 | 92 | 25.6 | ||
| Former smoker | 115 | 15.3 | 1 | 15.6 | ||
| Never smoker | 414 | 55.1 | 211 | 58.8 | ||
| Alcohol consumption (typical week), drinks/weekb | ||||||
| 0 | 176 | 23.4 | 88 | 24.5 | ||
| ≤7 | 341 | 45.3 | 166 | 46.2 | ||
| >7 | 235 | 31.3 | 105 | 29.3 | ||
| Education | ||||||
| High school or less | 254 | 33.7 | 122 | 34.0 | ||
| Some college | 326 | 43.2 | 152 | 42.3 | ||
| College degree or more | 174 | 23.1 | 85 | 23.7 | ||
| Year of birth | 1960 (1955–1965) | 1965 (1962–1969) | ||||
| Year of hire | 1982 (1977–1988) | 1987 (1983–1991) | ||||
| Age at interview, years | 51 (46–56) | 45 (41–48) | ||||
| Duration of active work, years | 26 (19–31) | 21 (15–26) | ||||
| Cumulative solvent exposure, mg/m3-year | ||||||
| Nonhexane solvents | 1,380.9 (675.7–2,511.1) | 1,042.0 (558.2–1,916.3) | ||||
| Hexanec | 33.7 (10.6–95.3) | 39.6 (11.3–113.8) | ||||
| Hexane plus acetoned | 17.7 (5.7–41.4) | 16.2 (4.7–44.8) | ||||
Abbreviation: IQR, interquartile range.
a A total of 751 participants responded to the question on smoking status.
b A total of 752 participants responded to the question on alcohol consumption.
c Among 400 total participants and 209 participants aged ≤50 years exposed to hexane.
d Among 315 total participants and 160 participants aged ≤50 years exposed to hexane in the presence of acetone.