|
Reference
|
Subjects/Controls (n)
|
Study Design
|
Military Branch and Status
|
Response Rate (%)
|
Major Findings
|
|
Population-Based Studies
|
|
Iowa Persian Gulf Study Group, 1997;
Doebbeling et al., 2000
|
1896/1799
|
Population-based survey, factor analysis
|
All US branches and duty status
|
76
|
Symptoms (subjects vs control
Fibromyalgia: 19.2% vs 9.6% Cognitive dysfunction: 18.7% 7.6%
Depression: 17.0% vs 10.9%
Three factors (somatic distress, psychological distress, and panic) higher in prevalence but not unique to Gulf War veterans
|
|
Kang et al., 2000, 2002
|
11,441/9476
|
Population-based survey, factor analysis
|
All US branches and duty status
|
70
|
All 48 symptoms significantly more common in deployed vs non-deployed (p<0.05) Numerous chronic medical conditions reported twice as often
(see Table A.5); possible neurological syndrome requiring further evidence
|
|
Goss Gilroy Inc., 1998
|
3113/3439
|
Survey
|
All Canadian Gulf War veterans
|
64.5
|
Symptoms
Chronic fatigue (OR=5.27)
Cognitive dysfunction (OR=4.36)
Multiple chemical sensitivity (OR=4.01)
|
|
Unwin et al., 1999;
Ismail et al., 1999
|
2961/2620, 2614a
|
Population-based survey, factor analysis
|
UK Gulf War veterans (U. London)
|
65.1
|
Symptoms
Fatigue (OR=2.2)
Posttraumatic stress (OR=2.6
Psychological distress (OR=1.6)
Three factors (mood, respiratory system, peripheral nervous system) higher in prevalence, but not unique to Gulf War veterans
|
|
Cherry et al., 2001a;
Cherry et al., 2001b
|
9585/4790b
|
Population-based survey, factor analysis
|
UK Gulf War veterans (U. Manchester)
|
85.5
|
Symptoms
Almost all 95 symptoms were more common in deployed versus nondeployed. Numbness and tingling and widespread panic were about two times more prevalent
Five factors (psychological, peripheral, respiratory, gastrointestinal, and concentration) higher in prevalence, but not unique to Gulf War veterans
|