Table 1.
Characteristics of sample (n = 93) that either used alcohol or cannabis over the 28-day ecological momentary assessment (EMA) period.
| All participants (n = 93) | BPD (n = 60) | DD (n = 33) | ||||
|---|---|---|---|---|---|---|
| N (%) | Per person M (SD) | N (%) | Per person M (SD) | N (%) | Per person M (SD) | |
| Persons | ||||||
| Age | 30.9 (11.2) | 29.6 (11.0) | 33.3 (11.2) | |||
| Female | 79 (85.0%) | – | 54 (90.0%) | – | 25 (75.8%) | – |
| Race/Ethnicity | ||||||
| Caucasian | 80 (86.0%) | – | 50 (83.3%) | – | 30 (90.9%) | – |
| African American | 6 (6.5%) | – | 4 (6.7%) | – | 2 (6.1%) | – |
| Hispanic | 3 (3.2%) | – | 2 (3.3%) | – | 1 (3.0%) | – |
| Other | 4 (4.3%) | – | 4 (6.7%) | – | 0 (0.0%) | – |
| Income | ||||||
| < US$25,000 | 64 (68.8%) | – | 40 (66.7%) | – | 24 (72.7%) | – |
| US$25,000 – US$49,999 | 14 (15.1%) | – | 10 (16.7%) | – | 4 (12.1) | – |
| US$50,000 – US$74,999 | 7 (7.5%) | – | 4 (6.7%) | – | 3 (9.1%) | – |
| ≥ US$75,000 | 8 (8.6%) | – | 6 (10.0%) | – | 2 (6.1%) | – |
| Current Anxiety Disorder | 71 (78.0%) | – | 38 (63.3%)a | – | 33 (100.0%)a | – |
| Current Mood Disorder | 70 (77.8%) | – | 46 (76.7%) | – | 24 (72.7%) | – |
| Alcohol Users | 90 (96.8%) | – | 58 (96.7%) | – | 32 (97.0%) | – |
| Cannabis Users | 35 (37.6%) | – | 27 (45.0%)a | – | 8 (24.2%)a | – |
| Alcohol & Cannabis Users | 32 (34.4%) | – | 25 (41.7%)a | – | 7 (21.2%)a | – |
| Alcohol Users Only | 58 (62.4%) | – | 33 (55.0%)a | – | 25 (75.8%)a | – |
| Cannabis Users Only | 3 (3.2%) | – | 2 (3.3%) | – | 1 (3.0%) | – |
| Mean PANAS Hostility | 93 (100.0%) | 1.5 (0.5) | 60 (100.0%) | 1.5 (0.6)a | 33 (100.0%) | 1.3 (0.3)a |
| Mean PANAS Impulsivity | 77 (82.8%) | 6.0 (1.5) | 51 (85.0%) | 6.2 (6.2) | 26 (78.8%) | 5.7 (1.2) |
| Mean PANAS Positive Affect | 93 (100.0%) | 2.2 (0.6) | 60 (100.0%) | 2.1 (0.6) | 33 (100.0%) | 2.3 (0.7) |
| Days | ||||||
| Alcohol Days | 658 (24.9%) | 7.1 (6.7) | 434 (25.1%) | 7.2 (7.0) | 224 (24.4%) | 6.8 (6.3) |
| Cannabis Days | 364 (13.9%) | 3.9 (8.0) | 327 (19.1%) | 5.5 (9.5)a | 37 (4.1%) | 1.1 (2.5)a |
| Alcohol and Cannabis Days | 123 (4.7%) | 1.3 (3.4) | 108 (6.3%) | 1.8 (4.0)a | 15 (1.6%) | 0.5 (1.2)a |
| Occasions | ||||||
| Alcohol Occasions | 948 (7.1%) | 10.2 (13.0) | 629 (7.3%) | 10.5 (13.1) | 319 (6.7%) | 9.7 (13.0) |
| Cannabis Occasions | 821 (6.3%) | 8.8 (22.1) | 775 (9.1%) | 12.9 (26.6)a | 46 (1.0%) | 1.4 (3.4)a |
| Alcohol and Cannabis Occasions | 133 (1.0%) | 1.4 (4.4) | 124 (1.4%) | 2.1 (5.4)a | 9 (0.2%) | 0.3 (0.7)a |
a
Values in the same rows are significantly different at p < 0.05; PANAS = Positive and Negative Affect Scale.