General Description and Unique Aspects Lisa Clement
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General Description and Unique Aspects
Lisa Clement
Current Population Survey (CPS)
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Current Population Survey
• Purpose and Uses
– Monthly Labor Force Data
– Supplements• Tobacco Use Supplement• Annual Social and Economic Supplement (ASEC)• Other Supplements
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Current Population Survey
• Basic CPS Labor Force Information– Unemployment Rate– Hours Worked/Absent– Reasons for Absence– Full-Time/Part-Time– Industry and Occupation– Job Search Methods– Usual Weekly Earnings– Union Membership
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Current Population Survey
• Features of the Tobacco Use Supplement
– Smoking Status– Level of Addiction– Monetary Costs of Smoking– Changes in Smoking Norms and Attitudes– Medical and Dental Advice to Quit Smoking– Quitting Attempts– Work Place Smoking Policies
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Current Population Survey• Annual Social and EConomic Survey (ASEC)
Produces annual statistics and data on:
– Income, including poverty figures
– Health Insurance
– Noncash Benefits (such as food stamps)
– Work Experience
– Migration
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Current Population SurveyAnnual Social and EConomic Survey (ASEC)
Data are used by government and private analysts to:
– Chart effectiveness of government assistance programs
– Gauge the economic well-being of the nation
– Develop marketing strategies for business and entrepreneurs
– Provide a basis for monitoring changes in demographic patterns
– Determine trends in migration patterns for planning schools, transportation systems, and other civil services
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Current Population Survey• Upcoming Supplements in 2010
– January Displaced Workers
– February, March and April ASEC
– April Child Support
– May and August Tobacco Use
– June Fertility
– July Veterans
– September Volunteers
– October School Enrollment
– November Voting and Registration
– December Food Security
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Current Population Survey
• Sample Design
– Rotation Pattern– Sample Sources– State Based Sample– PSU Creation and Selection– 72,000 selected housing units/month
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Current Population Survey
• Rotation Pattern
– 4-8-4 Pattern• In sample for 4 consecutive months this year• Off 8 months• In for the same 4 months next year
– 75 percent month-to-month overlap– 50 percent year-to-year overlap
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Current Population Survey
• Sample Sources
– Address Lists
– Area Listing Operation
– New Construction (Building Permits)
– Group Quarters
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Current Population Survey• State Based Sample Design
– 53 Separate Samples• 48 States• District of Columbia• New York
– New York City– Balance of State
• California– Los Angeles County– Balance of State
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Current Population Survey• PSU (Primary Sampling Units) Creation and
Selection– Adjacent Counties Grouped Together to form
PSUs• Metropolitan Areas formed into Single PSUs• Rural Areas Grouped as appropriate
– Selection Criteria-Stratification• With Certainty—Self Representing—only one PSU within
the stratum• Selection proportional to population—multiple PSUs per
stratum—Non-Self Representing• Only one PSU selected per stratum
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Current Population Survey
• Field Structure
Headquarters• 12 Regional Offices
– Supervisory Field Representatives– Field Representatives (FRs)
• 3 CATI Centers – CATI Interviewers
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Current Population Survey
• FR/Interviewer Initial Training
– 2 days of home study– 4 day classroom training– CATI
• Monitoring
– CAPI• First month observation• Second month observation• Fourth - Sixth month observation
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Current Population Survey• Ongoing Quality Control and Training
– Monthly home studies– Monthly feedback on household nonresponse– Annual classroom refresher training– CATI
• Regular Monitoring
– CAPI• Annual observation• Special needs observation• Reinterview
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Current Population Survey
• Monthly Data Collection
– First Month - Personal Visit– Months 2-4 - Telephone or Personal– Fifth Month - Attempt One Personal Visit First,
Telephone Calls permissible after that– Months 6-8 - Telephone or Personal– Overall - 67 percent collected by telephone– Months 2-4 and 6-8 - 85 percent telephone
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Current Population Survey
• Monthly Data Collection
– Demographics - only in Month 1 or replacement households, updates in other months
– Most labor force data collected each month, though some is dependently captured
• Industry and Occupation• Retired/Disabled Status
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Current Population Survey
• Demographic Data
– Personal Characteristics • Age, Race, Sex, Origin, Educational Attainment, etc.
– Family and Household Formation Data• Addition of mom and dad line number pointers• Addition of cohabitation question and pointers
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Current Population Survey
• Demographic Data Captured for:
- Adults (15+)- Children (0-14)- Armed Forces Members who are usual household members- Data for college students usually collected at
their parents’ home
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Current Population Survey
• Industry and Occupation Data
– Initial Collection - Months 1 and 5
– Dependent Collection - Months 2-4, 6-8 if possible
– Coding Procedures
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Current Population Survey
• Disability Questions
– Added June 2008
– Collected for household members 15+
– Data on Public Use File starting in January 2009
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Current Population Survey
• Data Processing
– Edits
– Weighting
– Public Use File
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Current Population Survey
• Edit Types
– Consistency Edits
– Longitudinal Edits
– “Hot Deck” Edits
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Current Population Survey
• Edit Modules
– Household– Demographics– Labor Force– Disability– Industry and Occupation– School Enrollment– Earnings
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Current Population Survey
• Weighting Steps
– Base Weights– Noninterview Adjustment– First Stage– Second Stage– Compositing
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Current Population Survey
• Second Stage Weighting
– Source and Use of Controls
– Raking Procedures
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Current Population Survey
• Geography Available on Public Use Files
– State for all Records– Metro/nonmetro status - 99 percent of records– Specific metro identifiers - 85 percent of metro
areas– Central city/balance – 80 percent of metro areas– About 225 counties can be identified
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Current Population Survey
• Tobacco Use Supplement Processing
– Editing Procedures• Consistency Edits
– Weighting • Self Response• Nonresponse• Replicate
– Sponsor Review
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Current Population Survey
• American Time Use Survey
– Select sample from retired CPS– Two month lag– One 15+ person selected from each sample unit– Approx. 1,000-1,200 respondents interviewed
each month– Data collected at Census Telephone Centers– Can be matched to CPS
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Current Population Survey
• American Time Use Survey
– Updates labor force, I&O and earnings– Respondents complete a diary of activities for a
24 hour period– Collects detailed data on specific activities– Recent module on Eating and Drinking– Upcoming module on Well Being
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Current Population SurveyContacts for more information:
Dennis Clark (301) [email protected]
Greg Weyland (301) [email protected]
Lisa Clement (301)763-3806 [email protected]
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Current Population Survey
• This report (paper) is released to inform interested parties of (ongoing) research and to encourage discussion (of work in progress). Any views expressed on (statistical, methodological, technical, or operational) issues are those of the author(s) and not necessarily those of the U.S. Census Bureau.