Table 1. 2013–2017 TSCI estimated past-year driving within 1 h of marijuana use, personal acceptance of driving after marijuana use, and support for per-se laws
Variable | Level | Unweighted sample sizea | Weighted percent of total sample (95% CI) | Drivers who self-reported driving within one hour of using marijuana at least once in the last year | Respondents who said driving within one hour of using marijuana is somewhat or completely acceptable | Respondents who somewhat or strongly support a per-se marijuana law | |||
|---|---|---|---|---|---|---|---|---|---|
Weighted percent (95% CI) | Rao-Scott \({\chi }^{2}\) p-valueb | Weighted percent (95% CI) | Rao-Scott \({\chi }^{2}\) p-valueb | Weighted percent (95% CI) | Rao-Scott \({\chi }^{2}\) p-valueb | ||||
Full sample | NA | 11,816 | – | 5.0 (4.5, 5.4) | – | 9.7 (9.1, 10.3) | – | 82.6 (81.8, 83.4) | – |
Gender | Male | 5753 | 48.1 (47.1, 49.2) | 6.5 (5.8, 7.3) | 11.1 (10.1, 12.0) | 80.5 (79.2, 81.7) | |||
Female | 6063 | 51.9 (50.8, 52.9) | 3.5 (2.9, 4.1) | < 0.001 | 8.4 (7.6, 9.3) | < 0.001 | 84.4 (83.4, 85.5) | < 0.001 | |
Income | < $25,000 | 1888 | 17.3 (16.5, 18.1) | 9.4 (7.6, 11.2) | 13.8 (12.0, 15.7) | 76.0 (73.7, 78.3) | |||
$25,000-$49,999 | 2570 | 22.0 (21.1, 22.9) | 5.7 (4.5, 6.8) | 10.1 (8.8, 11.5) | 81.6 (79.8, 83.4) | ||||
$50,000-$74,999 | 2,220 | 18.2 (17.5, 19.0) | 4.3 (3.2, 5.3) | 9.2 (7.8, 10.7) | 83.9 (82.1, 85.7) | ||||
$75,000-$99,999 | 1708 | 14.6 (13.9, 15.4) | 3.8 (2.7, 4.9) | 9.3 (7.6, 11.0) | 82.9 (80.8, 85.0) | ||||
$100,000 or more | 3430 | 27.8 (26.9, 28.7) | 3.5 (2.8, 4.2) | < 0.001 | 7.3 (6.3, 8.3) | < 0.001 | 86.2 (84.8, 87.5) | < 0.001 | |
Race/ethnicity | Non-Hispanic white | 8696 | 66.0 (65.0, 67.1) | 4.3 (3.8, 4.9) | 9.9 (9.1, 10.6) | 83.1 (82.1, 84.0) | |||
Non-Hispanic black | 1047 | 11.5 (10.8, 12.3) | 7.5 (5.5, 9.5) | 11.5 (9.2, 13.7) | 76.5 (73.5, 79.5) | ||||
Non-Hispanic other | 409 | 5.0 (4.4, 5.5) | 5.9 (3.1, 8.7) | 9.3 (6.1, 12.5) | 89.5 (86.3, 92.6) | ||||
Hispanic | 1319 | 15.0 (14.1, 15.8) | 5.2 (3.7, 6.7) | 7.7 (6.0, 9.4) | 83.9 (81.6, 86.2) | ||||
Non-Hispanic 2 + races | 345 | 2.5 (2.2, 2.9) | 10.1 (5.3, 14.8) | 0.002 | 9.6 (6.1, 13.2) | 0.319 | 74.6 (68.9, 80.3) | < 0.001 | |
Education | Less than high school | 1060 | 12.4 (11.6, 13.1) | 8.5 (6.3, 10.7) | 11.0 (8.9, 13.2) | 78.1 (75.3, 80.9) | |||
High school | 3448 | 28.7 (27.7, 29.6) | 4.7 (3.8, 5.5) | 9.7 (8.6, 10.9) | 82.0 (80.5, 83.5) | ||||
Some college | 3389 | 29.7 (28.8, 30.7) | 5.5 (4.5, 6.4) | 11.1 (9.9, 12.4) | 81.4 (79.9, 83.0) | ||||
Bachelor’s or higher | 3919 | 29.2 (28.3, 30.2) | 3.6 (2.9, 4.3) | < 0.001 | 7.6 (6.6, 8.6) | 0.002 | 86.0 (84.7, 87.3) | < 0.001 | |
Age | 19–29 | 1870 | 19.7 (18.8, 20.6) | 11.6 (9.7, 13.4) | 15.1 (13.3, 17.0) | 76.0 (73.7, 78.3) | |||
30–44 | 2661 | 25.7 (24.7, 26.6) | 5.6 (4.6, 6.5) | 12.0 (10.6, 13.5) | 79.8 (78.1, 81.6) | ||||
45–59 | 3608 | 27.3 (26.4, 28.2) | 3.4 (2.7, 4.1) | 8.8 (7.7, 9.8) | 83.4 (82.0, 84.8) | ||||
60 or older | 3677 | 27.4 (26.5, 28.3) | 1.8 (1.3, 2.3) | < 0.001 | 4.6 (3.8, 5.4) | < 0.001 | 88.7 (87.5, 89.9) | < 0.001 | |
Marijuana Policy | RM and MM illegal | 6011 | 51.5 (50.4, 52.5) | 4.3 (3.7, 5.0) | 9.6 (8.7, 10.5) | 81.7 (80.5, 82.8) | |||
RM illegal, MM legal | 4855 | 41.0 (40.0, 42.0) | 5.9 (5.1, 6.8) | 9.6 (8.6, 10.6) | 82.6 (81.4, 83.9) | ||||
RM and MM legal | 950 | 7.5 (7.0,8.1) | 4.2 (2.7, 5.8) | 0.024 | 10.6 (8.2,13.0) | 0.733 | 87.8 (85.3, 90.3) | 0.003 | |
Per-se law | Absent | 8769 | 72.8 (71.9, 73.8) | 5.1 (4.6, 5.7) | 10.0 (9.3, 10.8) | 81.6 (80.6, 82.5) | |||
Present | 3047 | 27.2 (26.2, 28.1) | 4.5 (3.6, 5.4) | 0.563 | 8.8 (7.6, 9.9) | 0.319 | 85.1 (83.6, 85.5) | 0.002 | |