Table I.
Characteristics of Responders and Non-Responders to a Smoking Survey in Trucking Industry Workers
| Characteristics | Responders (%)(N=4,594) | Non-responders (%)(N=6,760) |
|---|---|---|
| Age (years) | ||
| Mean [Standard Deviation] | 53.0 [9.6] | 49.9 [10.3] |
| Race | ||
| White | 4026 (88%) | 5200 (77%) |
| Black | 316 (7%) | 953 (14%) |
| Hispanic | 201 (4%) | 522 (8%) |
| Asian | 19 (0.4%) | 37 (0.6%) |
| Native Americans | 13 (0.3%) | 30 (0.4%) |
| Other | 19 (0.4%) | 18 (0.3%) |
| Sex | ||
| Male | 3879 (84%) | 5706 (84%) |
| Job Title | ||
| Longhaul Driver | 1290 (28%) | 1544 (23%) |
| Pick-Up and Delivery Driver | 430 (9%) | 622 (9%) |
| Pick-Up and Delivery Driver, and Dock Worker | 1073 (23%) | 1462 (22%) |
| Hostler | 152 (3%) | 232 (3%) |
| Dock Worker | 691 (15%) | 1472 (22%) |
| Mechanic | 108 (2%) | 180 (3%) |
| Clerk | 843 (18%) | 1225 (18%) |
| Janitor | 6 (0.1%) | 14 (0.2%) |
| Manager | 1 (0.02%) | 9 (0.1%) |
| Region | ||
| Northeast | 780 (17%) | 939 (14%) |
| Midwest | 1582 (34%) | 2171 (32%) |
| South | 1473 (32%) | 2440 (36%) |
| West | 759 (17%) | 1210 (18%) |
| Terminal Size | ||
| ≥500 | 1732 (38%) | 2825 (42%) |
| Terminal Location‡ | ||
| Urban | 3099 (67%) | 4638 (69%) |
‡
as defined by the United States Census