Table 3

Equivalence between symptoms in UK and US Studies*

UK Study
US Study

Irritability/outburst of anger
Irritability or moodiness
Headaches
Headaches
Fatigue
Fatigue
Sleeping difficulties
Difficulty or problems to sleep
Forgetfulness OR Loss of concentration
Difficulty remembering or concentrating
Joint stiffness
Joint stiffness
Flatulence or burping OR Stomach cramp
Gas, bloating, cramps or abdominal pain
Pain without swelling or redness in several joints
Joint pain
Chest pain
Chest pain
Night sweats that soak the bed sheets
Night sweats that soak your bed sheets
Sore throat
Sore throat
Numbness or tingling in fingers or toes
Numbness or tingling in fingers or toes
Wheezing
Wheezing
Diarrhea
Diarrhea (3 or more loose bowel movements in 24 hours)
Unintended weight gain greater than 10 lbs
Unintended weight gain greater than 10 lbs
Loss of interest in sex
Decreased sexual interest
Dizziness
Dizziness
Feeling short of breath at rest
Shortness of breath
Persistent cough
Cough
Feeling disoriented
Episodes of disorientation
Feeling feverish
Fever
Nausea OR Vomiting
Nausea or Vomiting
Unintended weight loss greater than 10 lbs.
Unintended weight loss greater than 10 lbs.
Diagnostic Criteria for Anxiety Disorder† Feeling distant or cut off from others OR Feeling jumpy/easily startled OR Unable to breathe deeply enough OR Tingling in legs and arms OR Rapid heartbeat OR Shaking OR Faster breathing than normal OR Lump in throat
Anxiety
16 could not find equivalent: Avoiding doing things/situations, Tingling in fingers and arms, Feeling unrefreshed after sleep, Itchy or painful eyes, Distressing dreams, Ringing in the ears, Dry mouth, Increased sensitivity to noise, Increased sensitivity to light, Passing urine more often, Loss or decrease in appetite, Intolerance to alcohol, Constipation, Double vision, Pain on passing urine, Burning sensation in sex organs
11 could not find equivalent: Trouble finding words, Depression, Muscle pains, Hay fever or other allergies, Fatigue lasting 24 hrs after exertion, Swollen lymph glands in your neck, armpit, groin, Inability to tolerate milk, Sensitivity to chemicals, Sinus congestion, Skin rashes or sores, Sores inside your nose

†All equivalent symptoms were significantly more prevalent among UK Gulf veterans than among UK Gulf veterans, except cough and joint pain that were less prevalent, and diarrhea, numbness or tingling in fingers or toes, shortness of breath, and weight gain that were not different in the 2 samples.

Diagnostic and statistical manual of mental disorders: DSM-IV–4th ed. Washington, DC: American Psychiatric Association; 1994

Nisenbaum et al. Population Health Metrics 2004 2:8   doi:10.1186/1478-7954-2-8

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