TABLE 1—
Weighted Prevalence of Often/Always Wearing a Safety Belt as a Driver, by Type of State Safety Belt Law and Selected Characteristics: United States, National Young Driver Survey, 2006
| Characteristic | Total, % | Primary Law States, % | Secondary Law States, % | Prevalence Differencea | P |
| Total | 81.5 | 86.0 | 77.8 | 8.2 | .021 |
| Grade | |||||
| 9th | 80.6 | 85.8 | 73.6 | 12.2 | .046 |
| 10th | 84.5 | 87.7 | 82.2 | 5.5 | .143 |
| 11th | 79.1 | 84.5 | 75.0 | 9.5 | .083 |
| Sex | |||||
| Female | 85.8 | 90.0 | 82.2 | 7.8 | .034 |
| Male | 77.7 | 82.3 | 74.1 | 8.2 | .055 |
| Race/ethnicity | |||||
| African American | 68.6 | 76.1 | 58.2 | 17.9 | .032 |
| Latino/Hispanic | 83.6 | 87.1 | 79.2 | 7.9 | .235 |
| Other | 85.5 | 93.8 | 76.3 | 17.5 | .003 |
| White | 82.9 | 87.3 | 79.8 | 7.5 | .04 |
| Urbanicity | |||||
| Urban/suburban | 87.8 | 88.2 | 87.5 | 0.7 | .82 |
| Rural/town | 76.0 | 84.5 | 68.0 | 16.5 | .006 |
| Driver’s license | |||||
| Learner’s permit | 87.8 | 88.5 | 87.1 | 1.4 | .588 |
| Provisional license | 80.3 | 85.6 | 74.3 | 11.3 | .023 |
| Unrestricted license | 74.0 | 82.1 | 69.1 | 13.0 | .046 |
| Academic grades | |||||
| A’s and B’s | 85.5 | 89.3 | 82.5 | 6.8 | .073 |
| C’s | 73.0 | 79.8 | 67.8 | 12.0 | .025 |
| D’s and F’s | 53.5 | 69.2 | 41.2 | 28.0 | .053 |
| Socioeconomic level school | |||||
| Higher | 84.5 | 85.9 | 83.7 | 2.2 | .657 |
| Lower | 78.3 | 86.5 | 66.8 | 19.7 | .001 |
| Vehicle type | |||||
| Car | 83.3 | 87.3 | 79.9 | 7.4 | .032 |
| SUV | 85.9 | 93.0 | 80.2 | 12.8 | .008 |
| Minivan | 93.5 | 91.7 | 94.5 | −2.8 | .578 |
| Pickup truck | 65.9 | 72.0 | 60.8 | 11.2 | .052 |
Note. SUV = sport utility vehicle. For the total sample (unweighted frequencies), n = 3126; for the primary law states (unweighted frequencies), n = 1517; and for the secondary law states (unweighted frequencies), n = 1609. Surveyed states with primary enforcement safety belt laws: AL, CA, CT, GA, HI, IA, IL, IN, LA, MI, NC, NJ, NM, OR, SC, TN, and TX. Surveyed states with secondary enforcement safety belt laws: AZ, CO, FL, ID, MA, MN, MO, MS, MT, NE, NV, OH, PA, UT, VA, VT, and WI.
The difference between the prevalence in primary law states and the prevalence in secondary law states.