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Mean Number of Posttraumatic Stress Disorder Symptoms by Allele Status
| Allele | Frequency (n) | Frequency (%) | Total symptoms | SD | Criterion B symptoms | SD | Criterion C symptoms | SD | Criterion D symptoms | SD |
|---|---|---|---|---|---|---|---|---|---|---|
| 9/10 or 9/9 | 36 | 40 | 6.2 | 3.1 | 2.0 | 1.1 | 1.6 | 1.3 | 2.5 | 1.1 |
| 10/10 | 52 | 60 | 5.1 | 2.5 | 1.8 | 1.0 | 1.1 | 1.1 | 1.9 | 1.0 |
| Test statistic | Z(N = 88) = 2.22* | Z(N = 88) = 1.02 | Z(N = 88) = 1.90 | Z (N = 88) = 2.46* |
p < .05.
