Table 1 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.