Table 1.
Rates of Current and Past Psychopathology as a Function of Panic Disorder Group.
| Current Psychopathology | Past (Lifetime) Psychopathology | |||
|---|---|---|---|---|
| Positive Panic Disorder Group |
Negative Panic Disorder Group |
Positive Panic Disorder Group |
Negative Panic Disorder Group |
|
| Any Psychopathology (% yes) | 100% | 35.1% | 85.7% | 78.4% |
| Chi-Square Test | χ2 = 23.24, p < .001 | χ2 = .47, p = ns | ||
| Mean (SD) # Diagnosesa | 2.28 (1.39) | 0.49 (.80) | 2.38 (1.72) | 1.59 (1.38) |
| Independent Samples t-test | t(56) = −5.48, p < .01, d = 1.59 | t(56) = −1.17, p = .06 (trend), d =0.50 | ||
| Alcohol Abuse (% yes) | 4.8% | 10.8% | 23.8% | 29.7% |
| Alcohol Dependence | 0.0% | 0.0% | 38.1% | 18.9% |
| Amphetamine Abuse | 0.0% | 0.0% | 4.8% | 2.7% |
| Amphetamine Dependence | 0.0% | 0.0% | 4.8% | 2.7% |
| Bulimia Nervosa | 0.0% | 0.0% | 0.0% | 2.7% |
| Cocaine Abuse | 0.0% | 2.7% | 9.5% | 5.4% |
| Cocaine Dependence | 0.0% | 0.0% | 9.5% | 16.2% |
| Dysthymia | 23.8% | 0.0% | 0.0% | 2.7% |
| Generalized Anxiety Disorder | 23.8% | 0.0% | 0.0% | 2.7% |
| Hallucinogen/PCP Abuse | 0.0% | 0.0% | 23.8% | 0.0% |
| Major Depressive Disorder | 19.0% | 8.1% | 28.6% | 13.5% |
| Marijuana Abuse | 4.8% | 10.8% | 28.6% | 21.6% |
| Marijuana Dependence | 0.0% | 0.0% | 23.8% | 21.6% |
| Obsessive-Compulsive Disorder | 9.5% | 0.0% | 0.0% | 0.0% |
| Opiate Abuse | 0.0% | 0.0% | 0.0% | 2.7% |
| Opiate Dependence | 0.0% | 0.0% | 23.8% | 10.8% |
| Panic Disorder without Agoraphobia | 42.9% | 0.0% | 4.8% | 0.0% |
| Panic Disorder with Agoraphobia | 57.1% | 0.0% | 4.8% | 0.0% |
| Posttraumatic Stress Disorder | 9.5% | 2.7% | 9.5% | 0.0% |
| Social Anxiety Disorder | 28.6% | 10.8% | 0.0% | 0.0% |
| Specific Phobia | 5.0% | 2.7% | 0.0% | 0.0% |
Note: Percent of participants meeting criteria for current and past psychiatric diagnoses as determined using the Structured Clinical Interview for DSM-IV (SCID-NP; First, et al., 1995). d = Cohen’s d index of effect size.