Table 3.

Demographic characteristics of zero versus some burn buffer counties (Exposure 1) and tests of difference for the U.S. as a whole and the southern, northeastern and western regions of analysis.^a,b

	All counties				South				Northeast				West
	No exposure	Some exposure			No exposure	Some exposure			No exposure	Some exposure			No exposure	Some exposure
	Mean	Mean	SE	p	Mean	Mean	SE	p	Mean	Mean	SE	p	Mean	Mean	SE	p
n	280	808			94	439			41	76			114	294
Total population	87,675	88,648	27,620	0.97	64,046	50,590	10,685	0.21	81,650	51,966	19,592	0.13	121,000	155,000	70,189	0.63
2010 population in 2018 county boundary	82,639	84,767	26,277	0.94	59,847	48,865	9462	0.25	80,658	51,702	19,021	0.13	112,000	147,000	66,911	0.60
Age < 18, %	21.7	21.8	0.3	0.80	21.2	21.5	0.3	0.24	20.1	19.4	0.6	0.29	22.9	22.7	0.5	0.71
Age 65 and up, %	18.5	19.1	0.3	0.08	18.4	18.7	0.4	0.52	20.5	21.3	0.9	0.39	18.0	19.1	0.6	0.09
African American, %	4.4	8.5	1.0	0.00	10.6	14.5	2.0	0.05	2.4	2.5	0.8	0.88	1.2	0.9	0.2	0.09
American Indian, %	2.4	2.6	0.6	0.72	0.4	0.9	0.3	0.21	1.4	3.4	1.6	0.23	5.0	5.0	1.4	0.99
Hispanic, %	18.2	8.9	1.3	0.00	3.6	4.7	0.6	0.04	2.9	3.1	0.6	0.81	13.8	16.5	1.8	0.14
White (non-Hispanic), %	71.5	77.1	1.6	0.00	82.9	77.3	2.0	0.01	90.3	87.9	2.1	0.26	74.7	73.9	2.2	0.73
Median household income	47,519	47,700	906	0.84	42,590	43,554	1076	0.37	52,142	51,284	1819	0.64	57,314	52,983	1486	0.00
Poverty, %	19.2	17.2	0.6	0.00	20.1	19.2	0.7	0.21	13.2	13.9	0.8	0.39	13.4	15.2	0.7	0.01
Households w/ public assistance, %	18.1	14.8	0.6	0.00	18.5	16.8	0.7	0.02	13.5	13.8	0.8	0.69	12.5	12.0	0.8	0.56
Unemployment, %	7.2	6.4	0.2	0.00	7.0	6.9	0.3	0.78	5.5	5.8	0.4	0.50	5.3	5.8	0.4	0.20
No high school diploma, %	14.0	14.0	0.4	0.99	16.9	16.9	0.6	0.92	9.0	9.2	0.6	0.68	10.5	11.0	0.7	0.45
Renter occupied units, %	29.3	28.2	0.5	0.04	29.7	27.9	0.9	0.04	23.5	23.9	1.3	0.75	31.7	29.8	0.9	0.04
Vacant housing units, %	21.0	22.9	0.9	0.03	18.8	20.3	1.0	0.13	27.6	32.3	3.1	0.13	20.0	24.3	1.6	0.01
Mobile home housing units, %	12.1	16.7	0.6	0.00	16.6	20.1	1.0	0.00	7.9	9.0	0.9	0.20	13.0	13.8	0.9	0.43
Group quarters pop, %	3.3	3.5	0.3	0.56	4.7	3.9	0.6	0.16	2.8	4.2	1.1	0.19	3.2	2.8	0.4	0.43
Urban vs rural	5.1	5.4	0.2	0.04	5.3	5.1	0.3	0.42	5.4	6.1	0.5	0.10	5.7	5.7	0.3	0.94

p < 0.05 are in bold.

^aStandard error (SE); p-value (p).

^bExposure 1: Count of prescribed burn buffers in the county.