Documentation - ACS 2008 (3-Year Estimates) - ACS 2008-3yr Summary File: Technical Documentation

Documentation:

ACS 2008 (3-Year Estimates)

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Publisher: U.S. Census Bureau

Survey: ACS 2008 (3-Year Estimates)

Document:	ACS 2008-3yr Summary File: Technical Documentation
citation:	Social Explorer; U.S. Census Bureau; American Community Survey 2006-2008 Summary File: Technical Documentation.

Documentation

ACS 2008 (3-Year Estimates)

ACS 2008-3yr Summary File: Technical Documentation

Chapter 1. Abstract

1.1. Citation

1.2. Special Notes

1.3. Notes on Updates to the Technical Document Since 2008

1.4. Type of File

1.5. Subject Content

1.6. Geographic Content

1.7. Document Overview

1.8. User Updates

Chapter 2. How to Use the ACS Summary File

2.1. Introduction

2.2. Data Format

2.3. File Naming Conventions

2.4. Reading the Geographic Header Record

2.5. Geographic Hierarchy Primer

2.6. Worked Example

2.7. Data Structure and Segmentation

Chapter 3: Subject Locator

Chapter 4: Summary Level Sequence Chart

Chapter 5: List of Detailed Tables

Chapter 6: Accuracy of the Data

6.1. 2008 ACS Accuracy of the Data (US)

6.1.1. Introduction

6.1.2. Data Collection

6.1.3. Sampling Frame

6.2. 2008 ACS Accuracy of the Data (Puerto Rico)

6.2.1. Introduction

6.2.2. Data Collection

6.2.3. Sampling Frame

6.2.4. Sample Design

6.2.5. Weighting Methodology

6.2.6. Confidentiality of the Data

6.2.7. Errors in the Data

6.2.8. Measures of Sampling Error

6.2.9. Calculation of Standard Errors

6.2.10. Examples of Standard Error Calculations

6.2.11. Control of Nonsampling Error

Chapter 7: User Updates

Appendix A: ACS Geographic Terms and Concepts

Introduction-Geographic Presentation of Data

Hierarchical Presentation

Inventory Presentation

American Indian/Alaska Native Area/Hawaiian Home Land (AIANA/HHL) Entities

American Indian Area, Alaska Native Area, Hawaiian Home Land

Alaska Native Regional Corporation (ANRC)

Alaska Native Village Statistical Area (ANVSA)

American Indian Reservation

American Indian Off-Reservation Trust Land

American Indian Tribal Subdivision

Hawaiian Home Land (HHL)

Oklahoma Tribal Statistical Area (OTSA)

State Designated American Indian Statistical Area (SDAISA)

Tribal Designated Statistical Area (TDSA)

Congressional District (CD)

County (or Statistically Equivalent Entity)

County Subdivision

Census County Division (CCD)

Census Subarea

Minor Civil Division (MCD)

Unorganized Territory

Geographic Code

Census Code

Federal Information Processing Standards (FIPS) Code

United States Postal Service (USPS) Code

Internal Point

Island Areas of the United States

Metropolitan Area (MA)

Central City

Consolidated and Primary Metropolitan Statistical Area (CMSA and PMSA)

Metropolitan Statistical Area (MSA)

Metropolitan Area Title and Code

New England County Metropolitan Area (NECMA)

Place

Census Designated Place (CDP)

Consolidated City

Incorporated Place

Population or Housing Unit Density

Public Use Microdata Area (PUMA)

Puerto Rico

Municipio

Barrio, Barrio-Pueblo, and Subbarrio

Zona Urbana and Comunidad

School District

State (or Statistically Equivalent Entity)

State Legislative District (SLD)

TIGER® Database

Traffic Analysis Zone (TAZ)

Urban Growth Area (UGA)

Voting District (VTD)

ZIP CODE® Tabulation Area (ZCTA™)

Combined New England City and Town Area (CNECTA)

Combined Statistical Area (CSA)

Core Based Statistical Area (CBSA)

Metropolitan Division

Metropolitan Statistical Area/Micropolitan Statistical Area

New England City and Town Area (NECTA)

New England City and Town Area (NECTA) Division

State Designated Tribal Statistical Area (SDTSA)

Appendix B: Subject Definitions

Condominium Status and Fee

Contract Rent

Food Stamp Benefits

Gross Rent

Gross Rent as a Percentage of Household Income

Homeowner Vacancy Rate

House Heating Fuel

Household Size

Housing Units

Insurance for Fire, Hazard, and Flood

Kitchen Facilities

Meals Included in Rent

Mobile Home Costs

Monthly Housing Costs

Monthly Housing Costs as a Percentage of Household Income

Mortgage Payment

Mortgage Status

Occupants per Room

Occupied Housing Units

Owner-Occupied Units

Plumbing Facilities

Population in Occupied Housing Units

Poverty Status of Households

Real Estate Taxes

Rent Asked

Rental Vacancy Rate

Renter-Occupied Housing Units

Rooms

Second or Junior Mortgage Payments or Home Equity Loan

Selected Conditions

Selected Monthly Owner Costs

Selected Monthly Owner Costs as a Percentage of Household Income

Specified Owner-Occupied Units

Specified Renter-Occupied Units

Telephone Service Available

Vacant-Current Residence Elsewhere

Vacant Housing Units

Value

Vehicles Available

Year Householder Moved into Unit

Year Structure Built

Population Variables

General Information

Ability to Speak English

Age

Ancestry

Children Ever Born

Citizenship Status (U.S. Citizenship Status)

Class of Worker

Disability Status

Educational Attainment

Employment Status

Families

Fertility

Foreign-Born Population

Foster Children

Grade in Which Enrolled

Grandparents as Caregivers

Group Quarters (GQ)

Health Insurance Coverage

Hispanic or Latino Origin

Household

Household Type and Relationship

Household Size

Householder

Immigrants

Income in the Past 12 Months

Industry, Occupation, and Class of Worker

Journey to Work

Labor Force Status

Language Spoken at Home and Ability to Speak English

Marital Status/Marital History

Means of Transportation to Work

Period of Military Service

Poverty Status in the Past 12 Months

Private Vehicle Occupancy

Race

Reference Week

Relatives and Nonrelatives

Residence 1 Year Ago

School Enrollment and Type of School

Sex

Social Security Income

Subfamily

Time Leaving Home to Go to Work

Travel Time to Work

Type of School

Usual Hours Worked in the Past 12 Months

Veteran Status

Weeks Worked in the Past 12 Months

Work Experience

Work Status in the Past 12 Months

Rounding for selected aggregates

Special rounding rules for aggregates

Aggregates Subject to Rounding:

Appendix C: Data Collection and Processing Procedures

C.1. Self-enumeration through mail-out/mail-back methodology

C.2. Computer Assisted Telephone Interviewing (CATI)

C.3. Computer Assisted Personal Interviewing (CAPI)

Appendix D: Questionnaire

Appendix E: Data Products and User Assistance

Appendix F: Maps

Appendix G: Code Lists

G.1. 2008 American Community Survey/Puerto Rico Community Survey

Group Quarters

Correctional Facilities for Adults

Juvenile Facilities

Nursing Facilities/Skilled Nursing Facilities

Other Health Care Facilities

College/University Student Housing

Military Group Quarters

Other Noninstitutional Facilities

Appendix H: Examples of Standard Error Calculations

Appendix I: Sample SAS Programs

Appendix J: User Notes

Social Explorer; U.S. Census Bureau; American Community Survey 2006-2008 Summary File: Technical Documentation.

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