Table 3.
Comparison of past-year marijuana purchasers and non-purchasers
| Purchasers (N=777) | Non-purchasing users (N=400) | P | |
|---|---|---|---|
|
| |||
| How high usually got: | <0.001 | ||
| Not at all high | 6.6% | 13.9% | |
| A little high | 28.1% | 32.9% | |
| Moderately high | 52.6% | 35.7% | |
| Very high | 12.7% | 17.5% | |
| Frequency of use: | <0.001 | ||
| (Nearly) every day | 49.2% | 14.0% | |
| About once a week | 18.8% | 6.8% | |
| Once every 2/3 weeks | 9.0% | 5.2% | |
| Once every month or 2 | 11.4% | 16.6% | |
| Less often than that | 11.6% | 57.4% | |
| Medical recommendation | 25.8% | 12.5% | <0.001 |
| Type of use: | <0.001 | ||
| Smokable | 73.4% | 77.2% | |
| Inhalable | 15.1% | 5.4% | |
| Edible | 9.2% | 15.9% | |
| Other | 2.4% | 1.5% | |
| Gender male | 60.2% | 49.9% | 0.011 |
| Age: | 0.397 | ||
| 18–29 | 34.6% | 30.5% | |
| 30–39 | 20.8% | 19.2% | |
| 40–49 | 14.2% | 14.2% | |
| 50–64 | 23.2% | 25.1% | |
| 65+ | 7.2% | 11.0% | |
| Race/ethnicity: | 0.060 | ||
| White | 71.6% | 71.6% | |
| Black | 5.4% | 2.7% | |
| Hispanic | 12.5% | 8.3% | |
| Others | 10.4% | 17.3% | |
| Education: | 0.267 | ||
| HS grad or less | 42.4% | 35.8% | |
| Some college | 34.5% | 37.1% | |
| College grad | 13.8% | 17.3% | |
| Graduate school | 9.3% | 9.8% | |
| Marital status: | 0.389 | ||
| Married | 47.6% | 41.6% | |
| Separate/divorced | 17.6% | 20.5% | |
| Widowed | 2.7% | 2.2% | |
| Single | 32.2% | 35.7% | |
| Family income: | 0.039 | ||
| ≤20,000 | 29.7% | 26.2% | |
| $20,001–$50,000 | 32.5% | 26.9% | |
| $50,001–$80,000 | 15.3% | 16.5% | |
| >$80,000 | 17.9% | 20.0% | |
| Missing | 4.6% | 10.4% | |
| Mean usual grams (95% CI)1 | 1.35 (1.13,1.56) | 0.71 (0.65, 0.77) | |
| Mean total grams (95% CI)1 | 184.8 (130.6, 239.1) | 28.0 (14.5, 41.5) | |
1
Predicted values for the 400 marijuana non-purchasers