Aggregate Income Deficit in the Past 12 Months of Unrelated Individuals (Dollars) - B17008001 - Aggregate Income Deficit (Dollars) in the Past 12 Months of Unrelated Individuals by Sex - American Community Survey Tables: 2006 -- 2008 (3-Year Estimates) (ACS08_3yr) - Survey ACS 2008 (3-Year Estimates)

Data Dictionary:

ACS 2008 (3-Year Estimates)

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Survey: ACS 2008 (3-Year Estimates)

Data Source:

U.S. Census Bureau

Data set: American Community Survey Tables: 2006 -- 2008 (3-Year Estimates) (ACS08_3yr)

Table:

B17008. Aggregate Income Deficit (Dollars) in the Past 12 Months of Unrelated Individuals by Sex [3]

Universe: Universe: Unrelated individuals with incomes in the past 12 months below the poverty level

Variable Details

B17008.	Aggregate Income Deficit (Dollars) in the Past 12 Months of Unrelated Individuals by Sex
	Universe: Universe: Unrelated individuals with incomes in the past 12 months below the poverty level
	B17008001Aggregate Income Deficit in the Past 12 Months of Unrelated Individuals (Dollars) Percent base: None - percentages not computed (variable is table universe) Aggregation method: Addition

Relevant Documentation:

Excerpt from:	Social Explorer; U.S. Census Bureau; American Community Survey 2006-2008 Summary File: Technical Documentation.
	ACS 2008-3yr Summary File: Technical Documentation -> Appendix B: Subject Definitions -> Population Variables -> Poverty Status in the Past 12 Months -> Aggregate Income Deficit

Aggregate Income Deficit

Aggregate income deficit refers only to those families or unrelated individuals who are classified as below the poverty level. It is defined as the group (e.g., type of family) sum total of differences between the appropriate threshold and total family income or total personal income. Aggregate income deficit is subject to rounding, which means that all cells in a matrix are rounded to the nearest hundred dollars. (For more information, see "Aggregate" under "Derived Measures.")

Excerpt from:	Social Explorer; U.S. Census Bureau; American Community Survey 2006-2008 Summary File: Technical Documentation.
	ACS 2008-3yr Summary File: Technical Documentation -> Appendix B: Subject Definitions -> Population Variables -> Household Type and Relationship -> Relationship to Householder -> Unrelated Individual

Unrelated Individual

An unrelated individual is: (1) a householder living alone or with nonrelatives only, (2) a household member who is not related to the householder, or (3) a person living in group quarters who is not an inmate of an institution.

Excerpt from:	Social Explorer; U.S. Census Bureau; American Community Survey 2006-2008 Summary File: Technical Documentation.
	ACS 2008-3yr Summary File: Technical Documentation -> Appendix B: Subject Definitions -> Population Variables -> Sex

Sex

The data on sex were derived from answers to Question 3. Individuals were asked to mark either "male" or "female" to indicate their sex. For most cases in which sex was not reported, the appropriate entry was determined from the persons given (i.e., first) name and household relationship. Otherwise, sex was imputed according to the relationship to the householder and the age of the person.

Sex Ratio

The sex ratio represents the balance between the male and female populations. Ratios above 100 indicate a larger male population, and ratios below 100 indicate a larger female population. This measure is derived by dividing the total number of males by the total number of females and then multiplying by 100. It is rounded to the nearest tenth.

Limitation of the data

Beginning in 2006, the population in group quarters (GQ) is included in the ACS. Some types of GQ populations have sex distributions that are very different from the household population. The inclusion of the GQ population could therefore have a noticeable impact on the sex distribution. This is particularly true for areas with a substantial GQ population.

The Census Bureau tested the changes introduced to the 2008 version of the sex question in the 2007 ACS Grid-Sequential Test (http://www.census.gov/acs/www/Downloads/ACS-MP-09_Grid-Sequential_Test_Final_Report.pdf).

The results of this testing show that the changes may introduce an inconsistency in the data produced for this question as observed from the years 2007 to 2008

Question/Concept History

Beginning in 2008, the layout of the sex question response categories was changed to a horizontal side-by-side layout from a vertically stacked layout on the mail paper ACS questionnaire.