Table 2.
Predicted probabilities of perceived harm, current substance use, and demographics from marginal effects of cannabis policy attitudes among young adults
| Recreational cannabis use | Private cannabis use | Public cannabis use | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| % (CI) Legal (n=398) | % (CI) Minor (n=144) | % (CI) Crime (n=27) | % (CI) DK (n=50) | % (CI) Support (n=484) | %, (CI) Not Sure (n=74) | % (CI) Oppose (n=62) | % (CI) Support (n=182) | % (CI) Not Sure (n=197) | % (CI) Oppose (n=239) | |
| High perceived harm | −27.2 | 16.0 | 5.8 | 5.5 | −15.7 | 11.2 | 4.5 | −13.1 | −1.0 | 14.1 |
| of cannabis | (−34.1, −20.2) | (8.7, 23.3) | (2.0, 9.5) | (1.7, 9.2) | (−22.1, −9.2) | (6.2, 16.1) | (−0.6, 9.6) | (−23.7, −2.5) | (−11.4, 9.4) | (4.8, 23.5) |
| Current cannabis use | 13.3 | −2.3 | −3.8 | −7.1 | 8.0 | −5.0 | −3.0 | 2.9 | 10.2 | −13.2 |
| (5.4, 21.3) | (−10.1, 5.4) | (−8.2, 0.5) | (−12.6, −1.6) | (1.0, 14.9) | (−10.4, 0.4 | (−8.3, 2.4) | (−5.7, 11.6) | (1.2, 19.3) | (−21.8, −4.5 | |
| Current alcohol use | −1.1 | 2.8 | −1.3 | −0.5 | 3.3 | 0.3 | −3.6 | 0.3 | −0.9 | 0.6 |
| (−11.8, 9.5) | (−7.7, 13.3) | (−4.7, 2.2) | (−5.0, 4.1) | (−5.1, 11.8) | (−6.0, 6.6) | (−9.9, 2.6) | (−11.2, 11.8) | (−13.1, 11.2) | (−10.9, 12.2) | |
| Current cigarette use | 4.8 | −3.6 | 3.4 | −4.6 | 1.6 | −4.1 | 2.6 | 4.8 | 0.2 | −5.0 |
| (−6.3, 15.9) | (−13.8, 6.7) | (−0.8, 7.6) | −14.4, 5.2) | (−8.2, 11.3) | (−12.6, 4.4) | (−3.9, 9.1) | (−5.2, 14.7) | (−10.2, 10.7) | (−16.0, 6.0) | |
| 19 or older | −2.5 | 5.4 | 1.0 | −3.9 | −4.7 | −1.4 | 6.1 | −7.1 | 5.9 | 1.2 |
| (−9.8, 4.8) | (−1.6, 12.4) | (−1.7, 3.7) | (−7.9, 0.1) | (−11.2, 1.7) | (−6.0, 3.3) | (1.0, 11.2) | (−14.7, 0.6) | (−2.1, 13.8) | (−6.8, 9.2) | |
| Female | −8.0 | 7.9 | −1.7 | 1.7 | −5.6 | 4.1 | 1.4 | −1.2 | −1.2 | 2.4 |
| (−16.9, 0.9) | (−0.9, 16.8) | (−4.7, 1.3) | (−3.2, 6.6) | (−13.4, 2.3) | (−2.2, 10.3) | (−4.3, 7.2) | (−10.1, 7.7) | (−10.5, 8.0) | (−7.0, 11.8) | |
| Race/Ethnicity | ||||||||||
| Black | 2.4 | −2.8 | −0.5 | 0.9 | −5.4 | 4.6 | 0.8 | 9.2 | −3.1 | −6.1 |
| (−6.7, 11.5) | (−11.5, 5.9) | (−4.2, 3.2) | (−3.7, 5.5) | (−13.5, 2.8) | (−1.3, 10.4) | (−5.7, 7.2) | (−1.0, 19.4) | (−13.3, 7.1) | (−16.1, 3.9) | |
| Asian | −3.5 | 0.3 | −0.7 | 3.9 | −7.7 | 8.5 | −0.8 | −2.1 | −0.2 | 2.3 |
| (−16.1, 9.2) | (−11.6, 12.2) | (−4.6, 3.1) | (−2.9, 10.6) | (−18.5, 3.1) | (0.1, 17.0) | (−8.6, 6.9) | (−15.3, 11.0) | (−14.1, 13.8) | (−11.6, 16.3) | |
| Hispanic/Other | −3.1 | 4.0 | 0.1 | −0.8 | −5.0 | 7.3 | −2.3 | −1.9 | 1.4 | 0.5 |
| (−13.8,7.5) | (−6.4, 14.5) | (−4.1, 4.0) | (−5.9, 4.3) | (−14.2, 4.2) | (−0.4, 15.0) | (−8.5, 3.9) | (−12.4, 8.5) | (−10.1, 13.0) | (−11.1, 12.1) | |
| Earn mostly B’s or | −4.8 | 4.1 | −1.1 | 1.8 | 0.1 | −0.9 | 0.7 | 8.7 | −2.8 | −5.9 |
| lower grades | (−12.9, 3.3) | (−3.7, 11.9) | (−3.9, 1.7) | (−2.2 − 5.9) | (−6.6, 6.9) | (−5.8, 4.1 | (−4.5, 6.0) | (0.1, 17.4) | (−11.6, 5.9) | (−14.5, 2.7) |
Note: CI = 95% confidence interval; DK=don’t know; bold indicates statistical significance less than 0.05.