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. Author manuscript; available in PMC: 2019 Apr 2.
Published in final edited form as: Rev Recent Clin Trials. 2015;10(3):238–245. doi: 10.2174/157488711003150928130654

Table 4.

Key variables obtained through linkage to the 2000 and 2010 u.s. Censuses and to the american community survey.

Category Variable 2000 Census 2010 Census ACS
Demographics (2 variables) Percent of non-hispanic blacks ✓ ✓ ✓
Percent of blacks who are hispanic ✓ ✓ ✓
Income (7 variables) Percent with no car ✓ ✓
Percent of poverty ✓ ✓
Percent on public assistance ✓ ✓
Percent below poverty ✓ ✓
Percent of households with income less than 30,000 ✓
Median Household Income ✓ ✓
Less than a high school degree ✓ ✓
Housing (11 variables) Housing units with a mortgage 50.0 percent or more ✓
Housing units without a mortgage 50.0 percent or more ✓
Median value for all owner occupied housing units ✓ ✓
Percent of renter occupied housing units ✓ ✓ ✓
Percent of housing units vacant ✓ ✓ ✓
Percent of crowding ✓ ✓
Census Population ✓ ✓ ✓
Percent of female head of households with children ✓
Count of residents 65 and older ✓ ✓ ✓
Percent living in the same residence for 5 years or more ✓ ✓
Percent of urban population ✓
Employment (9 variables) Percent of Unemployed Men ✓ ✓
Percent in lower social class ✓
Percent of females in management occupations ✓ ✓
Percent of males in management occupations ✓ ✓
Percent of females not in labor force ✓ ✓
Percent of males not in labor force ✓ ✓
Percent of females in professional occupations ✓
Percent of males in professional occupations ✓
Unemployed ✓ ✓