Table 5.

Spearman’s ρ from correlations between the Gulf War-exposure indices for motor and non-motor symptoms in the study of Gulf War veterans (N = 293) recruited in 2002–2017

Variable	Spearman’s correlations
	index		symptoms
	Nisenbauma	Steeleb	motor	non-motor
Nisenbaum indexa
total	–	0.74g	0.16f	0.34g
KGWI	–	0.72g	0.04	0.12
CMI	–	0.70g	0.08	0.16e
controls	–	0.76g	–	0.21
Steele indexb
total	0.74g	–	0.12e	0.22g
KGWI	0.72g	–	0.02	0.10
CMI	0.70g	–	0.08	0.10
controls	0.76g	–	–	0.11
Motor symptomsc
total	0.16f	0.12e	–	0.48g
KGWI	0.04	0.02	–	0.29f
CMI	0.08	0.08	–	0.43g
controls	–	–	–	–
Non-motor symptomsd
total	0.34g	0.22g	0.48g	–
KGWI	0.12	0.10	0.29f	–
CMI	0.16e	0.10	0.43g	–
controls	0.21	0.11	–	–

Abbreviations as in Table 3.

^aA sum of responses regarding the frequency of taking PB pills, using cream or liquid and/or powdered pesticides on skin, and the presence or absence of experiences that lead the veteran to believe s/he was exposed to chemical agents while in the Gulf region, based on Nisenbaum et al. [30].

^bA sum of responses regarding the frequency of taking PB and being within 1 mile of an exploding SCUD missile among the veterans who served in Iraq and/or Kuwait and a sum of responses regarding the frequency of wearing pesticide-treated uniforms, using cream or liquid and/or powdered pesticides on skin among the veterans who did not serve in Iraq or Kuwait, based on Steele et al. [5].

^cTremors and/or shaking.

^dFeeling dizzy/light headed; fatigue; problems getting to/staying asleep; night sweats; blurred or double vision; pain in joints, muscles, or overall body pain; feeling anxious; feeling depressed; problems concentrating; problems remembering recent information) endorsed.

^ep < 0.05.

^fp < 0.01.

^gp < 0.001.