Table 1.
Descriptive Statistics of Key Study Variables
| n days | M (SD) | Range | |
|---|---|---|---|
| Day-Level Variables | |||
| No Substance Use | 871 | -- | -- |
| Alcohol-only | 377 | -- | -- |
| Cannabis-only | 368 | -- | -- |
| SAM Use | 217 | -- | -- |
| Negative Affect (females) | -- | 16.22 (6.61) | 10.00 – 47.00 |
| Negative Affect (males) | -- | 15.37 (6.09) | 10.00 – 39.00 |
| Baseline Variables | |||
| Trait Anxiety (females) | -- | 4.43 (4.35) | 0.00 – 18.00 |
| Trait Anxiety (males) | -- | 3.45 (3.98) | 0.00 – 18.00 |
Notes. Means and standard deviations for negative affect are aggregated across all person-days. SAM use = simultaneous alcohol and marijuana use. Statistics are based on N=154 individuals across 1,833 person-days.