TABLE 1.
Description of the sample
| Age | M = 16.64 (SD =1.05) | ||
| Sex | 67% male | ||
| Ethnicity | 54% non-Hispanic white | ||
| 45% Hispanic/Latino(a) | |||
| Marijuana use | |||
| Lifetime use | 85% | ||
| Past 30 day use | 61% | ||
| Days used in the past 30 days | M = 3.07 (SD = 2.30) | ||
| Used 5 or more days in past 30 days | 24% | ||
| Used 10 or more times in past 30 days | 19% | ||
| Marijuana consequences | |||
| Composite score | M = 1.23 (SD = 0.44) | ||
| Individual items | |||
| Couldn’t remember what happened when you were using marijuana | M = 1.17 (SD = 0.58) | ||
| Missed school or work because of using marijuana | M = 1.23 (SD = 0.66) | ||
| Did something you later felt sorry for because of using marijuana | M = 1.11 (SD = 0.42) | ||
| Got in trouble at school or home because of using marijuana | M = 1.21 (SD = 0.56) | ||
| Had trouble concentrating on what you were doing because of using marijuana |
M = 1.41 (SD = 0.83) | ||
| Mental health symptoms1 | M = 4.71 (SD = 0.90) | ||
| Positive marijuana expectancies2 | M = 2.47 (SD = 0.72) | ||
| Negative marijuana expectancies3 | M = 2.61 (SD = 0.72) | ||
1
Mental Health Index-5 (MHI-5); higher scores indicative of better mental health, possible range 1 through 6
2
higher scores indicative of higher agreement with positive expectancies
3
higher scores indicative of higher agreement with negative expectancies