Table 3.

Kansas GWI Case definition symptoms by Gulf War deployment status.

Domain	Symptom	Deployed (n = 849)	Did not deploy (n = 267)	aOR	95% CI
		(%)	(%)
Fatigue/sleep problems	Fatigue	69.0	55.1	1.95	(1.45, 2.61)
	Feeling unwell after exercise	43.6	29.6	2.01	(1.48, 2.73)
	Difficulty getting to or staying asleep	75.1	62.2	1.91	(1.41, 2.58)
	Not feeling rested after sleep	76.7	64.8	1.83	(1.34, 2.50)
Pain	Pain in joints	82.4	76.8	1.48	(1.05, 2.08)
	Pain in muscles	64.7	56.2	1.49	(1.12, 1.99)
	Body pain where you hurt all over	43.6	37.1	1.37	(1.02, 1.84)
Neurologic/cognitive/mood	Difficulty remembering recent information	58.0	44.6	1.76	(1.33, 2.34)
	Feeling irritable or having angry outbursts	57.0	43.8	1.74	(1.30, 2.33)
	Numbness or tingling in extremities	63.7	50.9	1.74	(1.31, 2.31)
	Headaches	54.2	44.6	1.51	(1.13, 2.03)
	Eyes very sensitive to light	45.5	35.6	1.57	(1.17, 2.11)
	Trouble finding words when speaking	51.8	44.6	1.37	(1.03, 1.82)
	Feeling down or depressed	53.9	39.3	2.00	(1.49, 2.70)
	Difficulty concentrating	57.4	40.4	2.08	(1.56, 2.78)
	Night sweats	43.2	35.2	1.44	(1.07, 1.93)
	Feeling dizzy, lightheaded, or faint	45.2	34.1	1.62	(1.21, 2.17)
	Low tolerance for heat or cold	39.2	32.6	1.46	(1.08, 1.98)
	Symptoms in response to smells or chemicals	27.6	16.5	2.02	(1.41, 2.91)
	Blurred or double vision	38.5	28.8	1.60	(1.18, 2.18)
	Tremors or shaking	26.1	17.6	1.70	(1.19, 2.43)
Gastro-intestinal	Diarrhea	33.7	27.3	1.33	(0.98, 1.82)
	Nausea or upset stomach	36.9	29.2	1.44	(1.05, 1.96)
	Abdominal pain or cramping	34.4	27.0	1.47	(1.07, 2.01)
Respiratory	Difficulty breathing	38.2	25.5	1.90	(1.39, 2.62)
	Frequent coughing without a cold	33.9	25.5	1.59	(1.16, 2.18)
	Wheezing in chest	25.1	19.9	1.41	(1.00, 1.99)
Skin	Skin rash	37.5	23.2	2.05	(1.49, 2.82)
	Other skin problems	35.5	21.7	2.11	(1.52, 2.93)

aOR = adjusted Odds Ratio for Gulf War deployed vs. nondeployed era veterans; CI = confidence interval.

Note: OR adjusted for adjusted for sex, education, income, and age.