Table A1.

Factors associated with participation in the Deepwater Horizon oil spill cleanup by state of residence.

Factor	Alabama			Florida			Louisiana			Mississippi
Factor	OR	95% CI	P value	OR	95% CI	P value	OR	95% CI	P value	OR	95% CI	P value
Age group
18–24	Ref			Ref			Ref			Ref
25–34	0.57	0.20, 1.64	0.293	0.71	0.28, 1.83	0.477	0.85	0.52, 1.38	0.517	2.70	0.65, 11.24	0.172
35–44	1.53	0.50, 4.66	0.456	0.34	0.12, 0.98	0.045^*	0.66	0.41, 1.08	0.096	2.69	0.62, 11.79	0.188
45–54	0.86	0.28, 2.67	0.798	0.27	0.10, 0.75	0.012^*	0.50	0.29, 0.86	0.012^*	1.34	0.38, 4.80	0.650
55–64	0.66	0.13, 3.42	0.623	0.41	0.15, 1.16	0.093	0.31	0.18, 0.53	<0.001^*	0.97	0.27, 3.52	0.967
65 +	0.36	0.08, 1.63	0.186	0.11	0.03, 0.37	<0.001^*	0.12	0.06, 0.23	<0.001^*	0.39	0.10, 1.60	0.191
Gender
Female	Ref			Ref			Ref			Ref
Male	3.01	1.50, 6.05	0.002^*	1.11	0.61,2.01	0.730	2.40	1.74, 3.32	<0.001^*	1.67	0.73, 3.85	0.228
Race/Ethnicity
White, Not Hispanic	Ref			Ref			Ref			Ref
Black, Not Hispanic	0.22	0.07, 0.67	0.008^*	1.27	0.47, 3.38	0.636	0.58	0.38, 0.89	0.013^*	0.52	0.16, 1.65	0.266
Hispanic	2.88	0.50, 16.69	0.237	0.49	0.17, 1.42	0.191	1.28	0.65, 2.54	0.476	0.26	0.06, 1.14	0.075
Other	3.53	1.14, 10.90	0.028^*	0.83	0.27, 2.58	0.747	1.59	0.92, 2.75	0.094	1.23	0.39, 3.88	0.724
Employment status
Employed	Ref			Ref			Ref			Ref
Not employed	0.24	0.08, 0.74	0.013^*	0.66	0.24, 1.82	0.422	0.33	0.18, 0.59	<0.001^*	1.10	0.30, 3.96	0.889
Other	0.36	0.15, 0.85	0.021^*	0.87	0.42, 1.79	0.698	0.44	0.29, 0.65	<0.001^*	0.46	0.20, 1.08	0.076
Household income
Less than $25,000	Ref			Ref			Ref			Ref
$25,000 – $49,999	1.05	0.35, 3.12	0.931	1.39	0.58, 3.34	0.463	1.75	1.08, 2.86	0.024^*	2.81	1.04, 7.60	0.042^*
$50,000 – $74,999	1.30	0.36, 4.62	0.689	1.31	0.49, 3.49	0.593	1.11	0.65, 1.89	0.700	2.85	0.69, 11.71	0.146
$75,000 or more	4.38	1.68, 11.46	0.003^*	0.84	0.36, 1.98	0.688	2.28	1.48, 3.50	<0.001^*	4.82	1.87, 12.44	0.001^*
Marital status
Married	Ref			Ref			Ref			Ref
Not married	0.57	0.28, 1.18	0.133	1.95	1.05, 3.63	0.034^*	1.01	0.75, 1.38	0.928	0.79	0.33, 1.87	0.587
County type
Non-coastal	Ref			Ref			Ref			Ref
Coastal	3.71	2.01,6.84	<0.001^*	1.49	1.03, 2.16	0.036^*	1.86	1.35, 2.58	<0.001^*	7.63	3.33, 17.45	<0.001^*
General health status
Poor or fair	Ref			Ref			Ref			Ref
Good	1.44	0.47, 4.44	0.524	0.85	0.30, 2.39	0.752	1.08	0.67, 1.74	0.760	0.78	0.18, 3.40	0.744
Excellent or very good	2.59	0.90, 7.44	0.078	1.19	0.51,2.81	0.687	2.27	1.49, 3.46	<0.001^*	1.68	0.39, 7.31	0.489
Physical health status
Poor or fair	Ref			Ref			Ref			Ref
Good	1.19	0.45, 3.16	0.730	1.83	0.68, 4.93	0.233	1.58	0.99, 2.53	0.055	0.34	0.10, 1.14	0.080
Excellent or very good	2.99	1.14, 7.88	0.026^*	2.06	0.83, 5.08	0.118	2.39	1.60, 3.57	<0.001^*	0.73	0.22, 2.35	0.592
Mental health status
Poor or fair	Ref			Ref			Ref			Ref
Good	0.78	0.25, 2.46	0.670	0.33	0.11, 1.04	0.058	1.27	0.70, 2.32	0.427	0.98	0.11,8.61	0.982
Excellent or very good	1.36	0.48, 3.86	0.563	0.60	0.23, 1.61	0.315	1.59	0.97, 2.60	0.065	1.45	0.23, 8.90	0.690

Data source: CDC, Gulf States Population Survey, 2010–2011.

P value < 0.05

OR: odds ratio

CI: confidence interval