Table 1.
Clinical Characteristics by Affective Group
| Demographics | No MDE (n=115) |
MDE (n=110) |
Test Stat | BDI<20 (n=149) |
BDI≥20 (n=70) |
Test Stat |
|---|---|---|---|---|---|---|
| Age | 42.3 (10.2) | 42.1 (9.3) | NS | 41.6 (9.3) | 43.8 (10.2) | NS |
| % Male | 57.39 | 46.36 | χ2(1)=2.74 p=0.098 |
52.35 | 51.43 | NS |
| Education (yrs) | 11.8 (2.0) | 11.3 (2.3) | t(223)=1.88 p=0.061 |
11.7 (2.1) | 11.3 (2.2) | NS |
| Race | NS | NS | ||||
| % Caucasian | 34.21 | 42.73 | 37.84 | 37.14 | ||
| % African Am | 28.95 | 23.64 | 26.35 | 28.57 | ||
| % Hispanic | 35.96 | 31.82 | 34.46 | 32.86 | ||
| % Employed | 50.4 | 38.2 | χ2(1)=3.42; p=0.064 |
44.3 | 41.4 | NS |
| Clinical Variables | ||||||
| Baseline BDI-II score | 12.5 (9.5) | 19.6 (12) | t(217)=−4.89 p≤0.001 |
9.6 (5.7) | 29.4 (8.1) | t(217)=20.89 p≤0.001 |
| Primary Substance of Abuse (DSM-IV) |
||||||
| Alcohol (%) | 4.35 | 10.91 | NS | 4.03 | 14.29 | χ2(1)=5.96; p≤0.05 |
| Amphetamines (%) | 5.22 | 3.64 | NS | 6.71 | 0 | χ2(1)=3.50; p=0.06 |
| Cannabis (%) | 6.96 | 10.0 | NS | 6.71 | 12.86 | NS |
| Cocaine (%) | 16.52 | 21.91 | NS | 22.82 | 11.43 | χ2(1)=3.29; p=0.07 |
| Opioids (%) | 63.48 | 50.91 | χ2(1)=3.14; p=0.08 | 57.72 | 55.71 | NS |
| Sedatives (%) | 3.48 | 3.64 | NS | 2.01 | 5.71 | NS |
| Smoking Variables | ||||||
| Age 1st Smoked | 14.3 (4.6) | 13.1 (3.7) | t(223)=2.15 p=0.032 |
13.9 (4.4) | 13.1 (3.8) | NS |
| Age of regular smoking |
16.7 (5.2) | 15.2 (3.7) | t(223)=2.60 p=0.019 |
16.5 (4.9) | 15.0 (3.8) | t(217)=−2.13 p=0.034 |
| Avg. cigarettes per day |
22.1 (10.5) | 24.4 (13) | NS | 21.3 (9.0) | 26.3 (14.6) | t(217)=3.15 p=0.002 |
| % Use of non-cig tobacco |
22.6 | 25.5 | NS | 22.2 | 27.1 | NS |
| # quit attempts | 5.6 (15.9) | 4.7 (5.7) | NS | 4.6 (12.0) | 6.4 (12.6) | NS |
| Baseline Fagerström | 5.3 (2.0) | 6.6 (1.9) | t(223)=−4.93 p≤0.001 |
5.6 (2.1) | 6.6 (1.8) | t(217)=3.46 p≤0.001 |