Table 1.
Zero-order Correlations among Study Variables
| Mean (SD) | 1. | 2. | 3. | 4. | 5. | 6. | 7. | 8. | 9. | 10. | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. Gender | 40.2% | -- | |||||||||
| 2. Time Point | -- | −.281** | -- | ||||||||
| 3. Negative Affect | 19.4 (9.05) | .064 | −.300** | -- | |||||||
| 4. Expired CO | 8.4 (7.09) | .107 | −.525** | .354** | 1 | ||||||
| 5. ASI | 23.3 (15.22) | .125 | −.331** | .463** | .293** | 1 | |||||
| 6. WSC-W | 8.2 (5.98) | .097 | −.644** | .470** | .449** | .357** | 1 | ||||
| 7. PSS-I-Total | 20.0 (12.36) | .229* | −.477** | .583** | .408** | .502** | .558** | 1 | |||
| 8. PSS-I-Re-Exper. | 4.7 (3.82) | .138 | −.412** | .488** | .446** | .360** | .482** | .830** | 1 | ||
| 9. PSS-I-Avoid | 7.8 (5.71) | .208* | −.377** | .540** | .286** | .448** | .464** | .926** | .645** | 1 | |
| 10. PSS-I-Hyperar. | 7.4 (4.35) | .255** | −.498** | .519** | .393** | .523** | .552** | .896** | .635** | .753** | 1 |
Note. Gender = Percent listed is female, coded male=1 and female=0; Time Point = Assessment time point (coded 0-2 for week 0, week 12 and week 27 respectively); Negative Affect = Positive and Negative Affect Scale – Negative Affect subscale; Expired CO = Expired carbon monoxide breath sample; ASI = Anxiety Sensitivity Index total score; WSC-W = Withdrawal Symptom Checklist –Weekly; PSS-I-Total = PTSD Symptom Scale Interview – total score; PSSI-I-Re-Exper. = PTSD Symptom Scale Interview - Re-experiencing subscale; PSS-I-Avoid. = PTSD Symptom Scale Interview - Avoidance subscale; PSS-I-Hyperar. = PTSD Symptom Scale Interview - Hyperarousal subscale.
*
p <0.05
**
p <0.01