Table 3.
Prevalence of categorical outcomes in the three cohorts. Values are percentages (95% confidence intervals) unless otherwise indicated
|
Gulf
|
Bosnia
|
Era
|
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Stage 1 | Stage 2 | Ratio*(new cases/recovered cases) | Stage 1 | Stage 2 | Ratio*(new cases/recovered cases) | Stage 1 | Stage 2 | Ratio*(new cases/recovered cases) | |
| Fatigue cases | 48.8 (45.4 to 52.2) | 43.4 (39.9 to 46.8) | 0.65 (0.45 to 0.85) | 29.0 (25.6 to 32.4) | 32.7 (28.6 to 36.8) | 1.21 (0.83 to 1.59) | 22.8 (20.0 to 25.6) | 22.0 (18.6 to 25.4) | 0.91 (0.56-1.26) |
| Post-traumatic stress reaction cases | 12.4 (10.7 to 14.2) | 10.8 (9.1 to 12.5) | 0.73 (0.47 to 0.99) | 5.7 (4.0 to 7.4) | 6.0 (4.2 to 7.8) | 1.07 (0.49 to 1.65) | 4.0 (2.6 to 5.3) | 6.6 (4.8 to 8.4) | 2.45 (0.88-4.02) |
| General health questionnaire cases | 40.0 (36.8 to 43.2) | 37.1 (33.8 to 40.4) | 0.79 (0.59 to 1.00) | 29.2 (25.5 to 32.9) | 31.5 (27.4 to 35.6) | 1.25 (0.84 to 1.67) | 25.3 (21.7 to 28.9) | 23.8 (20.1 to 27.6) | 0.88 (0.56-1.20) |
| Self reported Gulf war syndrome | 18.6 (16.2 to 21.1) | 15.8 (13.3 to 18.2) | 0.58 (0.25 to 0.90) | ||||||
All prevalence estimates are weighted for sampling.
*
Values of <1 indicate declining prevalence. Ratios are weighted for sampling.