Table 2. Trauma, Torture and Head Injury Characteristics of Survey Respondents: Vietnamese Comparison Group and Ex-Political Detainees.
| Characteristic | Comparison Group (N =82) |
Detainees (N = 337) |
P-value | |||
|---|---|---|---|---|---|---|
| Time in re-education camp (years) | ||||||
| Mean (SD)a | 0 | 6.5 | (3.6) | n/a | ||
| Median (IQ Range) | 0 | 6.4 | (4.9, 8.1) | n/a | ||
| Number of torture events | ||||||
| Median (IQ Range) | 0 | (0, 0) | 7 | (5, 11) | ||
| 0 torture events | 62 | 75.6% | 3 | 0.9% | <0.001 † | |
| 1-3 torture events | 17 | 20.7% | 37 | 11.0% | ||
| 4-6 torture events | 3 | 3.7% | 109 | 32.3% | ||
| 7-10 torture events | 0 | 0 | 91 | 27.0% | ||
| More than 10 torture events | 0 | 0 | 97 | 28.8% | ||
| Number of Trauma Events | ||||||
| Median (IQ Range) | 1 | (0, 3) | 13 | (10, 16) | ||
| 0 trauma events | 30 | 36.6% | 1 | 0.3% | <0.001 † | |
| 1-6 trauma events | 49 | 59.8% | 31 | 9.2% | ||
| 7-11 trauma events | 2 | 2.4% | 104 | 30.9% | ||
| 12-15 trauma events | 1 | 1.2% | 96 | 28.5% | ||
| More than 15 trauma events | 0 | 0% | 105 | 31.2% | ||
| Any head injury | ||||||
| No | 82 | 100% | 74 | 22.0% | <0.001* | |
| Yes | 0 | 0% | 263 | 78.0% | ||
| Any loss of consciousness associated with head injury | n/a | N=263b | ||||
| No | 79 | 30.2% | n/a | |||
| Yes | 183 | 69.8% | ||||
Notes:
a
95% CI for mean years in camp is: 6.1, 6.9
b
1 participant had unknown LOC value.
*
p < 0.05
†
2-sided Wilcoxon rank-sum test (normal approximation)
Unless indicated, p-values were for Pearson Chi Square test.