Table 2.
Concentration of observed DSM-IV/CIDI PTSD in the 10% of exposures having highest predicted risk based on the super learner algorithm across sub-samples
| Proportion of all PTSD associated with the 10% of exposures having highest predicted risk | Conditional observed PTSD risk in the 10% of exposures having highest predicted risk vs. other exposures | |||||
|---|---|---|---|---|---|---|
| Total sample | Respondents with no prior PTSD | |||||
| Total sample % (SE) | Respondents with no prior PTSD % (SE) | Top 10% | Other 90% | Top 10% | Other 90% | |
| % (SE) | % (SE) | % (SE) | % (SE) | |||
| Gender | ||||||
| Male | 97.6 (0.6) | 96.4 (1.1) | 43.4 (3.8) | 0.06 (0.01) | 27.7 (4.2) | 0.05 (0.01) |
| Female | 94.3 (1.0) | 92.6 (1.4) | 35.9 (1.4) | 0.40 (0.07) | 21.4 (1.1) | 0.34 (0.07) |
| Age at TE exposure | ||||||
| Less than 25 | 95.2 (0.9) | 93.3 (1.4) | 41.5 (2.4) | 0.22 (0.04) | 23.0 (2.3) | 0.18 (0.03) |
| 25 or older | 95.8 (1.2) | 94.6 (1.8) | 33.9 (2.0) | 0.18 (0.05) | 23.3 (1.6) | 0.16 (0.06) |
| Education* | ||||||
| Low/low-average | 94.7 (0.8) | 92.6 (1.2) | 37.5 (1.8) | 0.24 (0.04) | 21.0 (1.4) | 0.20 (0.03) |
| High-average/high | 96.9 (1.4) | 96.1 (2.1) | 39.5 (3.1) | 0.13 (0.06) | 28.2 (2.9) | 0.11 (0.06) |
| Country World Bank income level | ||||||
| High | 95.5 (0.6) | 94.3 (0.8) | 34.3 (1.5) | 0.26 (0.03) | 20.5 (1.2) | 0.20 (0.03) |
| All others | 95.3 (2.0) | 92.6 (3.2) | 52.6 (3.6) | 0.14 (0.06) | 33.2 (4.2) | 0.13 (0.06) |
| Country involved in war or sectarian violence** | ||||||
| Yes | 95.9 (1.7) | 94.4 (2.5) | 44.4 (5.2) | 0.13 (0.05) | 28.8 (5.2) | 0.13 (0.05) |
| No | 95.3 (0.8) | 93.6 (1.2) | 36.6 (1.3) | 0.23 (0.04) | 21.6 (1.0) | 0.19 (0.04) |
PTSD – post-traumatic stress disorder, TE – traumatic experience
*
Educational level relative to others in the same country;
*
countries classified “yes” include Colombia, Israel, Lebanon, Nigeria, Northern Ireland, and South Africa