Time-Location Patterns of a Population Living in an Air Pollution Hotspot

Table 1

Demographics of the Camden study cohort and the comparison with the U.S. Census.

	U.S. Census^(a)		The Camden Study^(b)
	WFS	CDS	WFS	CDS
𝑁	1,700	6,424	54	53
Gender
Male	49.2%	45.6%	42.6%	28.3%
Female	50.8%	54.4%	57.4%	71.7%
Age^(c)
Under 5 years	8.8%	9.4%	—	—
5 to 17 years	27.4%	26.7%	29.6%	34.0%
18 to 64 years	55.5%	57.0%	64.9%	64.2%
65 years and over	9.2%	7.0%	5.6%	—
Median age (years)	27	26.7	29	24.5
Race and Ethnicity^(d)
White	17.3%	14.0%	20.4%	1.9%
Black or African American	61.2%	71.5%	51.9%	71.7%
American Indian and Alaska Native	1.3%	0.9%	—	—
Asian	6.5%	0.7%	—	—
Native Hawaiian and Other Pacific Islander	0.1%	<0.1%	5.6%	—
Refused/Do not know			22.2%	26.4%
Hispanic or Latino (of any race)	27.2%	25.6%	27.8%	20.8%
Education^(e)
High school graduate or higher	49.4%	57.4%	48.1%	39.6%
Bachelor's degree or higher	4.2%	5.5%	11.1%	7.5%
Refused/Do not know			38.9%	43.4%
Employment status^(f)	26.1%	31.5%
Adult working full time	N/A	N/A	13%	20.8%
Adult working part time	N/A	N/A	22.2%	1.9%
Self employed working at home	N/A	N/A	5.6%	9.4%
Refused/Do not know			9.3%	22.6%
Median household income ($)^(g)	22,417	25,443	N/A	N/A
Income below poverty level^(g)	32.7%	33.3%	N/A	N/A

^(a)Data are from U.S. Census 2000.
^(b)Adash indicates no subject in that group.
^(c)Ageof the Camden study cohort was determined as of 2005. One subject in WFS had age missing.
^(d)SomeCamden subjects selected multiple answers in responding to the question about cultural background. Data in the table were based on the primary choice.
^(e)Percentagesin the Census were based on the population aged 25 and over, while percentages in the Camden study cohort were based on population aged 18 and over.
^(f)Employmentrate in Census was based on the population above 16 years old; while the one of the Camden study was based on the population above 18 year old.
^(g)Censusdata were collected in 1999.