Skip to main content
. Author manuscript; available in PMC: 2016 Jan 4.
Published in final edited form as: Hum Factors. 2012 Oct;54(5):849–871. doi: 10.1177/0018720812442685

TABLE 2.

Data Collection Sites and Location Type

Variable n Percentage
Region (states)
    South (Texas, Florida, Tennessee) 509 26
    Midwest (Kentucky, Ohio, Missouri, Indiana) 541 28
    Northeast (Pennsylvania, New York, New Jersey, West Virginia) 353 18
    West (Nevada, California, Arizona, Oregon) 547 28
    Total 1,950 100
Location type
    Fleet 795 41
    Truck stop 566 29
    Truck show 589 30
    Total 1,950 100