TABLE 2.
Past-year substance use, baseline affect, and mean daily noon survey outcomesa
| AUD− (N = 101) |
AUD+ (N = 120) |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| DEP− (N = 56) |
DEP+ (N=45) |
DEP− (N = 56) |
DEP+ (N = 64) |
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| N | % | N | % | N | % | N | % | Significance | |
|
| |||||||||
| Any cigarette use (past year) | 7a | 12.5 | 11a | 24.4 | 18b | 32.1 | 29b | 45.3 | Group, p<0.05 |
| Any cannabis use (past year) | 25a | 44.6 | 24a | 53.3 | 39b | 69.6 | 37b | 57.8 | Group, p<0.05 |
| Any other substance use (past year) | 7a | 12.5 | 8a | 17.8 | 18b | 32.1 | 21b | 32.8 | Group, p<0.05 |
|
| |||||||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||
|
| |||||||||
| Beck Depression Inventoryb | 3.8a | 3.6 | 13.5b | 6.0 | 4.9a | 4.7 | 14.0b | 7.4 | Cohort, p<0.001 |
| State-Trait Anxiety Inventory, traitc | 51.9a | 6.8 | 63.1b | 6.0 | 52.2a | 6.5 | 64.0b | 8.2 | Cohort, p<0.001 |
| Stimulation (daily report)d | 46.1 | 17.3 | 45.4 | 12.5 | 44.5 | 15.1 | 42.0 | 16.1 | n.s. |
| Sedation (daily report)d | 15.8a,c | 13.6 | 26.6a,d | 14.2 | 22.4b,c | 14.0 | 31.9b,d | 14.8 | Group, Cohort, p<0.01 |
| Negative affect (daily report)e | 18.8a | 15.5 | 32.8b | 17.6 | 22.5a | 15.5 | 34.5b | 17.1 | Cohort, p<0.001 |
a
Differing subscripts denote significant differences for main effects of group (AUD+ versus AUD−), cohort (DEP+ versus DEP−), or their interaction.
b
Scores range from 0 to 63.
c
Scores are based on age- and sex-adjusted t-scores, range from 20 to 80.
d
From the Brief Biphasic Alcohol Effects Scale, scores range from 0 to 100.
e
Factor score (mean of sad/depressed, anxious/worried, and stressed ratings), with range of 0 to 100.