Consort Diagram: Safety and Health Involvement For Truckers (SHIFT) Randomized Controlled Trial, United States, 2012–2014
Note. In the intervention arm, we defined completing intervention criteria as submitting 15 or more body weight and behavior logs, passing 4 training units with 80% correct or better, and completing 4 motivational interviewing phone calls.
aIntent-to-treat analyses were performed. All participants who completed enrollment were included in analyses.