NOPUSNational Occupant Protection Use Survey
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Regression results using the NOPUS data from Model (1) are reported in Table 3.
In addition, given the way in which NOPUS data are collected, there is always the open question as to whether the relative declines in usage measured here extend to other locations and times.
Finally, one might be concerned that drivers only change their behavior in locations observed by NOPUS such as traffic-controlled intersections, but not in other locations.
Second, the NOPUS data allow me to examine the effect of cell phone bans on drivers' seat belt usage, which I use as a proxy for general safe-driving behavior.