Table 2.

Characteristics of Southern WIHS participants’ block groups and census tracts.

		Chapel Hill	Atlanta	Miami	Birmingham	Jackson	US
		Median block group density (per square mile)					Total
Population Density		1,900	3,100	9,400	2,700	1,900	89
		Medians					Total
Tract descriptors	Uninsured	20.9	23.2	29.9	16.2	19.1	14.2
	Publicly insured	35.5	31.5	42.8	42.3	41.8	31.1
	Below PL	24.6	24.8	32.9	27.2	30.6	14.6
	Male below PL	24.0	23.4	29.9	29.0	28.2	13.1
	Female below PL	25.1	25.8	34.2	28.9	32.2	15.8
	Own race <PLa	27.7	27.3	32.0	29.5	30.6	n/a
Block group descriptors	Age 0–17	23.8	24.7	24.2	22.8	25.2	23.5
	Age 18–64	62.1	65.7	60.7	62.5	60.4	62.5
	Age 65+	11.5	7.7	11.3	13.1	10.7	13.8
	Male (adult)	47.5	45.1	43.8	45	44.9	49.2
	Female (adult)	52.5	54.9	56.2	55	55.1	50.8
	White	48.9	12.8	24.4	18.6	12.6	73.8
	Black	37.2	82.3	70.4	77.1	86.7	12.6
	Asian	0.2	0	0	0	0	5.0
	Other	2.2	0.1	1.8	0	0	5.7
	2+ races	1.8	1	0.2	0	0	2.9
	Hispanic ethnicity	10.6	2.4	28.1	1	0	16.9
	Completed HS	82.4	86.2	76.6	83.3	81.9	86.3
	Income
	<$10,000	9.7	10.3	22	14.3	13.7	7.2
	$10,000-$29,999	29.1	25	34.8	36.2	35.7	21.1
	$30,000-$59,999	27.4	28.5	23.1	26.2	25.7	26.5
	$60,000-$99,999	17.6	17.1	8.7	14.6	14.9	22.1
	≥$100,000	8.3	10.3	3.4	3.8	3.7	23.0
		Proportion of Income Spent (%)
	Housing and transportation	78.42	76.52	72.40	75.52	81.75	n/a
	Transportation	35.03	30.60	28.00	33.71	38.52	n/a

PL poverty line, HS high school

^aParticipants were assigned the proportion below poverty of their self-identified racial/ethnic group (i.e., if a participant identified as black, their own race proportion below the poverty level was used) in this order: Hispanic, white, black, Asian, other