Table 4.

Symptoms within 30 days of study enrollment associated with dispersant exposure (GuLF STUDY, 2011–2013).

Symptom	Exposed [$n$ (%)]	Unexposed [$n$ (%)]	aPR (95% CI)a
Cougha	594 (27%)	3,896 (15%)	1.03 (0.96, 1.11)
Wheezea	479 (22%)	2,400 (9%)	1.16 (1.06, 1.26)
Tightness in chesta	337 (16%)	1,455 (6%)	1.30 (1.16, 1.46)
Shortness of breatha	434 (20%)	2,129 (8%)	1.15 (1.06, 1.26)
Burning in nose, throat, lungsa	246 (11%)	1,005 (4%)	1.55 (1.34, 1.80)
Burning eyesc	363 (17%)	1,699 (6%)	1.44 (1.28, 1.61)
Itching eyesc	482 (22%)	2,758 (11%)	1.24 (1.12, 1.36)
Skin irritationd	207 (21%)	8,891 (35%)	0.84 (0.74, 0.95)

Note: aPR, adjusted prevalence ratio; CI, confidence interval.

^aAll models adjusted for gender, age, race, education, unemployment, disability, financial and perceived stress. Skin irritation models further adjusted for contact with oil/tar, contact with cleaning chemicals, and dispersant/oil interaction. Respiratory and eye irritation models at spill further adjusted for smoking, residential proximity to oil spill, level of oil exposure (total hydrocarbons, THC), use of decontamination chemicals, and preexisting lung disease (respiratory models).

^b$n=\mathrm{28,183}$ (2,163 exposed, 26,020 unexposed).

^c$n=\mathrm{28,363}$ (2,181 exposed, 26,182 unexposed).

^d$n=\mathrm{26,249}$ (1,001 exposed, 25,248 unexposed).