Table 4. Prediction of mental illness by indicators of disasters relative to the Brief Trauma Questionnaire in southern Louisiana women, adjusted for covariates.
| PTSD | p for difference | depression | p for difference | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| OR* | 95% CI | aROC | CI | OR* | 95% CI | aROC | CI | |||
| BTQ | 1.64 | 0.84–3.18 | 0.61 | 0.51–0.70 | 2.29 | 1.43–3.68 | 0.64 | 0.59–0.69 | ||
| Katrina | 1.06 | 0.31–3.58 | 0.61 | 0.52–0.69 | 0.65 | 1.81 | 0.69–4.71 | 0.60 | 0.55–0.66 | 0.06 |
| Rita | 1.42 | 0.74–2.72 | 0.60 | 0.52–0.69 | 0.77 | 1.03 | 0.68–1.56 | 0.59 | 0.64–0.65 | 0.03 |
| Gustav | 1.89 | 0.93–3.85 | 0.63 | 0.55–0.71 | 0.59 | 1.63 | 1.03–2.57 | 0.61 | 0.56–0.66 | 0.20 |
| Ike | 2.83 | 1.52–5.28 | 0.67 | 0.59–0.75 | 0.11 | 1.53 | 1.04–2.26 | 0.61 | 0.55–0.66 | 0.23 |
| Mississippi | 1.16 | 0.63–2.14 | 0.61 | 0.52–0.69 | 0.76 | 1.52 | 1.02–2.29 | 0.61 | 0.56–0.67 | 0.22 |
| Isaac | 1.86 | 0.90–3.85 | 0.63 | 0.54–0.73 | 0.50 | 1.83 | 1.13–2.95 | 0.63 | 0.57–0.68 | 0.49 |
| overall (across disasters) | ||||||||||
| any illness | 2.84 | 1.57–5.14 | 0.67 | 0.59–0.75 | 0.08 | 2.95 | 1.97–4.40 | 0.68 | 0.63–0.73 | 0.21 |
| any damage | 3.59 | 0.48–26.63 | 0.63 | 0.55–0.71 | 0.62 | 2.41 | 0.85–6.85 | 0.62 | 0.56–0.67 | 0.15 |
| any danger | 5.23 | 1.86–14.73 | 0.68 | 0.61–0.75 | 0.02 | 2.64 | 1.58–4.44 | 0.65 | 0.60–0.70 | 0.81 |
| evacuated | 0.78 | 0.34–1.80 | 0.61 | 0.53–0.70 | 0.79 | 0.89 | 0.49–1.63 | 0.60 | 0.54–0.65 | 0.04 |
| number of total experiences, regardless of number of disasters | ||||||||||
| illness | ||||||||||
| 0 | 1 | 1 | ||||||||
| 1 | 1.48 | 0.60–3.67 | 1.80 | 1.01–3.19 | ||||||
| 2 | 2.24 | 1.02–4.92 | 2.77 | 1.65–4.64 | ||||||
| 3+ | 5.66 | 2.80–11.43 | 0.65 | 0.56–0.74 | 0.26 | 5.14 | 3.04–8.66 | 0.65 | 0.60–0.70 | 0.79 |
| damage | ||||||||||
| 0 | 1 | 1 | ||||||||
| 1 | 2.72 | 0.35–21.10 | 1.97 | 0.67–5.79 | ||||||
| 2 | 3.08 | 0.39–24.11 | 2.09 | 0.70–6.23 | ||||||
| 3+ | 5.28 | 0.69–40.29 | 0.65 | 0.56–0.73 | 36 | 3.43 | 1.17–10.04 | 0.63 | 0.57–0.68 | 0.52 |
| danger | ||||||||||
| 0 | 1 | 1 | ||||||||
| 1 | 3.75 | 1.24–11.37 | 2.14 | 1.21–3.81 | ||||||
| 2 | 5.29 | 1.71–16.31 | 2.29 | 1.24–4.25 | ||||||
| 3+ | 8.44 | 2.77–25.69 | 0.63 | 0.54–0.72 | 0.64 | 4.40 | 2.40–8.08 | 0.64 | 0.58–0.69 | 0.79 |
| Number of discrete disaster events experienced | ||||||||||
| overall | ||||||||||
| 0 | 1 | |||||||||
| 1 | † | 1.74 | 0.21–14.56 | |||||||
| 2 | 1.19 | 0.37–3.88 | 2.23 | 0.27–18.16 | ||||||
| 3 | 1.05 | 0.32–3.42 | 3.39 | 0.42–27.01 | ||||||
| 4 | 2.69 | 0.92–7.85 | 3.14 | 0.39–25.34 | ||||||
| 5 | 2.19 | 0.74–6.46 | 2.79 | 0.35–22.57 | ||||||
| 6 | 1.78 | 0.61–5.23 | 0.61 | 0.53–0.69 | 0.75 | 3.94 | 0.50–31.31 | 0.61 | 0.56–0.66 | 0.16 |
| illness | ||||||||||
| 0 | 1 | 1 | ||||||||
| 1 | 2.73 | 0.84–8.88 | 2.06 | 1.13–3.76 | ||||||
| 2 | 7.00 | 2.26–21.67 | 2.54 | 1.34–4.84 | ||||||
| 3+ | 6.70 | 2.28–19.71 | 0.64 | 0.56–0.73 | 0.38 | 3.31 | 1.88–5.82 | 0.64 | 0.59–0.70 | 0.99 |
| damage | ||||||||||
| 0 | 1 | 1 | ||||||||
| 1 | 2.68 | 0.35–20.38 | 1.92 | 0.66–5.54 | ||||||
| 2 | 3.45 | 0.42–28.12 | 3.23 | 1.07–9.80 | ||||||
| 3+ | 6.08 | 0.79–46.64 | 0.65 | 0.57–0.73 | 0.38 | 3.16 | 1.07–9.38 | 0.64 | 0.59–0.69 | 0.81 |
| danger | ||||||||||
| 0 | 1 | 1 | ||||||||
| 1 | 1.70 | 0.82–3.52 | 1.92 | 1.19–3.09 | ||||||
| 2 | 3.53 | 1.51–8.28 | 4.19 | 2.31–7.62 | ||||||
| 3+ | 6.34 | 2.93–13.69 | 0.64 | 0.56–0.73 | 0.41 | 6.06 | 3.37–10.91 | 0.61 | 0.55–0.66 | 0.13 |
| evacuation | ||||||||||
| 0 | 1 | 1 | ||||||||
| 1 | 0.90 | 0.35–2.34 | 0.78 | 0.38–1.57 | ||||||
| 2 | 0.97 | 0.36–2.62 | 0.84 | 0.40–1.75 | ||||||
| 3 | 0.56 | 0.19–1.66 | 0.96 | 0.47–1.98 | ||||||
| 4+ | 0.73 | 0.29–1.85 | 0.61 | 0.53–0.70 | 0.81 | 0.97 | 0.50–1.87 | 0.60 | 0.55–0.66 | 0.06 |
BTQ, Brief Trauma Questionnaire; OR, odds ratio; CI, confidence interval; aROC, area under the receiver operating curve
*Adjusted for age, pregnancy status, race, and income.
† relative to 1 experience; too few cases in the 0 category to converge.