Table 2.
Anxiety Sensitivity, Breath-Holding Duration, and PTSD Symptom Severity
Criterion Variable: PTSD Total Symptom Severity | ||||
---|---|---|---|---|
R2 | t | β | sr2 | |
Step 1 | .11** | |||
Number of PTEs | 1.69 | .17 | .03 | |
Panic Attack Group | 2.89** | .30 | .09 | |
Step 2 | .08* | |||
ASI-III | 2.31* | .25 | .05 | |
Breath-Holding Duration | -1.71 | -.18 | .03 | |
Step 3 | .02 | |||
Interaction Term | -1.30 | -.13 | .02 |
Criterion Variable: PTSD Re-experiencing Symptom Severity | ||||
---|---|---|---|---|
R2 | t | β | sr2 | |
Step 1 | .07* | |||
Number of PTEs | 1.90 | .20 | .04 | |
Panic Attack Group | 1.66 | .17 | .03 | |
Step 2 | .07* | |||
ASI-III | 1.76 | .20 | .03 | |
Breath-Holding Duration | -1.89 | -.20 | .04 | |
Step 3 | .01 | |||
Interaction Term | -.92 | -.10 | .01 |
Criterion Variable: PTSD Avoidance Symptom Severity | ||||
---|---|---|---|---|
R2 | t | β | sr2 | |
Step 1 | .07* | |||
Number of PTEs | .99 | .11 | .01 | |
Panic Attack Group | 2.28* | .24 | .06 | |
Step 2 | .06* | |||
ASI-III | 2.17* | .24 | .05 | |
Breath-Holding Duration | -1.14 | -.12 | .01 | |
Step 3 | .05* | |||
Interaction Term | -2.15* | -.23 | .05 |
Criterion Variable: PTSD Hyperarousal Symptom Severity | ||||
---|---|---|---|---|
R2 | t | β | sr2 | |
Step 1 | .11** | |||
Number of PTEs | .95 | .10 | .01 | |
Panic Attack Group | 3.11** | .32 | .10 | |
Step 2 | .12** | |||
ASI-III | 3.38** | .36 | .11 | |
Breath-Holding Duration | -1.15 | -.12 | .01 | |
Step 3 | .02 | |||
Interaction Term | -1.61 | -.16 | .02 |
Note:
p < .05
p < .01
Number of PTEs = Number of potentially traumatic events endorsed on the CAPS – Life Events Checklist (Blake et al., 1995); Panic Attack Group = Past 2 year history of nonclinical, unexpected panic attacks (1 = no history, 2 = positive history) as assessed by the Structured Clinical Interview for DSM-IV Non-Patient Version (SCID-I/NP; First et al., 1995); Participant Sex (1 = male, 2 = female); ASI-III = Anxiety Sensitivity Index – III (Taylor et al., 2007); Breath-Holding Duration = Average latency to termination of breath-holding task in seconds (Hajek et al., 1987); CAPS = Clinician-Administered PTSD Scale (Blake et al., 1995).