Table 3.
Change in prevalence of mental health outcomes from year one to year two by exposure group (matched analysis)
| Outcome | Total number of respondents | Number of participants year one | Prevalence year one (%) | Number of participant year two | Prevalence year two (%) | Reduction (%) | 95% Confidence interval |
|---|---|---|---|---|---|---|---|
| Depression | 873 | 92 | 10.5 | 59 | 6.8 | 3.8 | (1.5;6.1) |
| Flooded | 294 | 56 | 19.1 | 36 | 12.2 | 6.8 | (1.4;12.2) |
| Disrupted | 457 | 32 | 7.0 | 21 | 4.6 | 2.4 | (0.3;5.1) |
| Unaffected | 122 | 4 | 3.3 | 2 | 1.6 | 1.6 | (2.4;5.7) |
| Anxiety | 870 | 149 | 17.1 | 83 | 9.5 | 7.6 | (4.6;9.9) |
| Flooded | 294 | 90 | 30.6 | 46 | 15.7 | 15.0 | (9.2;20.7) |
| Disrupted | 452 | 48 | 10.6 | 33 | 7.3 | 3.3 | (0.1;6.5) |
| Unaffected | 124 | 8 | 6.5 | 4 | 3.2 | 3.2 | (2.5;9.0) |
| PTSD | 896 | 186 | 20.8 | 127 | 14.2 | 6.6 | (3.9;9.2) |
| Flooded | 300 | 111 | 37.0 | 81 | 27.0 | 10.0 | (4.5;15.5) |
| Disrupted | 464 | 67 | 14.4 | 46 | 9.9 | 4.5 | (1.0;8.1) |
| Unaffected | 132 | 8 | 6.1 | 0 | 0.0 | 6.1 | (1.2;10.9) |