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. Author manuscript; available in PMC: 2007 Dec 1.
Published in final edited form as: Am J Ind Med. 2006 Dec;49(12):1013–1020. doi: 10.1002/ajim.20399

Table II.

Characteristics of White Men in the Trucking Industry by Job Categories

Job Categories
Longhaul Driver Pick-Up and Delivery Driver Dock Worker Pick-Up and Delivery Driver, and Dock Worker Hostler Mechanic Clerk
N 1130 362 570 940 137 91 132
Age (years)
 Mean [Standard Deviation] 56.3 [8.5] 53.0 [9.0] 49.4 [10.1] 53.0 [8.5] 51.4 [9.1] 53.1 [9.5] 56.1 [9.1]
Education
 Less than High School 99 (9%) 25 (7%) 37 (6%) 66 (7%) 7 (5%) 8 (9%) 1 (1%)
 High School or more, or Trade School 827 (73%) 277 (77%) 424 (74%) 713 (76%) 101 (74%) 67 (74%) 104 (79%)
 Missing 204 (18%) 60 (17%) 109 (19%) 161 (17%) 29 (21%) 16 (18%) 27 (20%)
Region
 Midwest 466 (41%) 112 (31%) 195 (34%) 300 (32%) 50 (37%) 32 (35%) 58 (44%)
 Northeast 138 (12%) 80 (22%) 151 (26%) 210 (22%) 29 (21%) 16 (18%) 12 (9%)
 South 391 (35%) 93 (26%) 147 (26%) 291 (31%) 39 (28%) 33 (36%) 50 (38%)
 West 135 (12%) 77 (21%) 77 (14%) 139 (15%) 19 (14%) 10 (11%) 12 (9%)
Terminal Size
 <500 399 (35%) 258 (71%) 261 (46%) 904 (96%) 52 (38%) 53 (58%) 87 (66%)
 ≥500 731 (65%) 104 (29%) 309 (54%) 36 (4%) 85 (62%) 38 (42%) 45 (34%)
Location
 Rural 403 (36%) 81 (22%) 199 (35%) 351 (37%) 38 (28%) 23 (25%) 46 (35%)
 Urban 727 (64%) 281 (78%) 371 (65%) 589 (63%) 99 (72%) 68 (75%) 86 (65%)

as defined by the United States Census