The California Census Research Data Center

The California Census Research Data Center

Data Resources @Berkeley Oct 22, 2012

Census RDCsCensus RDCs

What is an RDC? What is an RDC? What data are available in the What data are available in the

RDC?RDC? What kinds of research can be What kinds of research can be

done with RDC resources?done with RDC resources? What is the process for getting What is the process for getting

access to RDC data?access to RDC data?

What is a Census RDC?

A partnership A set of services, tools

and data A secure & vetted

environment

CCRDCCCRDCCalifornia Census Research Data

CenterBerkeley

The CCRDC is a joint project of the U.S. Bureau of the Census, UC Berkeley, Stanford and UCLA to enable qualified researchers with approved

projects to access confidential, unpublished Census Bureau data CES on the web: http://www.census.gov/ces/index.html

Stanford RDC: https://iriss.stanford.edu/SecuredataCCRDC on the web: http://www.ccrdc.ucla.edu/

RDCs as partnershipsRDCs as partnerships For researchers:For researchers:

Access to huge corpus of non-public use Access to huge corpus of non-public use datadata

For universities:For universities: Support for cutting-edge researchSupport for cutting-edge research Attract and keep data-intensive faculty Attract and keep data-intensive faculty

For Census Bureau:For Census Bureau: Extends pool of expertise on substantive,Extends pool of expertise on substantive, methodological, and statistical issues methodological, and statistical issues

RDCs as partnershipsRDCs as partnerships For researchers:For researchers:

Access to huge corpus of non-public use dataAccess to huge corpus of non-public use dataMust address topics of interest to the Must address topics of interest to the Census Bureau in developed proposal Census Bureau in developed proposal Must provide working papers and written Must provide working papers and written annual updatesannual updates

Must attempt to provide the benefits Must attempt to provide the benefits promised in proposalpromised in proposal

Must financially support project in most Must financially support project in most casescases

Must adhere to security requirementsMust adhere to security requirements

RDCs as partnershipsRDCs as partnerships For universities:For universities: Support for cutting-edge researchSupport for cutting-edge research Attract and keep data-intensive faculty Attract and keep data-intensive faculty

Finances, provides and maintains secure Finances, provides and maintains secure facility facility Funds full-time Census Bureau Funds full-time Census Bureau administratoradministratorEnters into legal contract delineating Enters into legal contract delineating responsibilitiesresponsibilities

RDCs as partnershipsRDCs as partnerships For Census Bureau:For Census Bureau: Extends pool of expertise on substantive,Extends pool of expertise on substantive, methodological, and statistical issuesmethodological, and statistical issues

Provides and supports administratorProvides and supports administratorProvides feedback on proposals (when Provides feedback on proposals (when submitted)submitted)Provides security infrastructure, Provides security infrastructure, oversightoversightProvides data access, software, disclosure Provides data access, software, disclosure avoidance reviewavoidance review

Current RDCsCurrent RDCs Washington, DC (1983)Washington, DC (1983)

Center for Economic Studies, U.S. CensusCenter for Economic Studies, U.S. Census Boston, Mass. (1994)Boston, Mass. (1994) UCLA and Berkeley (1999)/(Stanford 2010)UCLA and Berkeley (1999)/(Stanford 2010) Duke (2000) / (RTI-2011)Duke (2000) / (RTI-2011) Chicago, Illinois (2002)Chicago, Illinois (2002) Ann Arbor, Michigan (2002)Ann Arbor, Michigan (2002) Baruch (NYC, 2006) and Ithaca (Cornell, 2004) Baruch (NYC, 2006) and Ithaca (Cornell, 2004) Minnesota (2010)Minnesota (2010) Atlanta (2011) Atlanta (2011) Texas – College Station (2012)Texas – College Station (2012) Seattle (2012)Seattle (2012)

Why RDCs?(Rationale for partnering)

Perceptions of improper use couldPerceptions of improper use could Reduce response ratesReduce response rates Induce Congress to cut Induce Congress to cut funding/programsfunding/programs

Title 13 U.S.C protects confidentialityTitle 13 U.S.C protects confidentiality Identifying microdata cannot be Identifying microdata cannot be releasedreleased Only Census Only Census Employees/temporary staff can Employees/temporary staff can look at individually identifiable datalook at individually identifiable data Access must provide legitimate Access must provide legitimate benefits to benefits to Census Bureau Census Bureau programsprograms

Why use CCRDC data?Why use CCRDC data? Not available elsewhereNot available elsewhere

Establishment level business dataEstablishment level business data Linked data (e.g. worker-firm )Linked data (e.g. worker-firm )

More detail than anywhere elseMore detail than anywhere else Detailed geo-spatial variablesDetailed geo-spatial variables Virtually no top or bottom coding Virtually no top or bottom coding Possible to link to other non-Census Possible to link to other non-Census

datadata Bigger SamplesBigger Samples High Quality Sampling FramesHigh Quality Sampling Frames ExtensibilityExtensibility

Access and Disclosure Access and Disclosure IssuesIssues

All researchers must be Census Bureau All researchers must be Census Bureau employees or have Special Sworn Statusemployees or have Special Sworn Status Fingerprints, security forms, penaltiesFingerprints, security forms, penalties

Projects must showProjects must show Benefits to BureauBenefits to Bureau Scientific MeritScientific Merit FeasibilityFeasibility Need for non-Public use DataNeed for non-Public use Data Minimal Risk of DisclosureMinimal Risk of Disclosure

All output goes through disclosure All output goes through disclosure review process (Interim and Final review process (Interim and Final Outputs)Outputs) Statistical output: YesStatistical output: Yes Tabular Output: NoTabular Output: No

• Demographic Data• Economic Data• Health Data• Trade Data• Crime Victimization

Data in the RDC’s

Key Demographic Surveys& Censuses

Decennial Census of Population and Housing (1970-2000)

American Community Survey (1996-2009)

Current Population Survey (1967-2010) Survey of Income and Program

Participation (1984-2008) American Housing Survey (1984-2009) National Longitudinal Survey (1966-

1999)

Decennial Census of Population and Housing

Flagship Data Collection of Census Bureau

Includes both universe and sample data

Public Use products include Summary Files

Pre-tabulated counts, multiple geographic summary levels

Public Use Microdata Individual/Household level data, PUMAs

Decennial Census Decennial Census 1970, 1980, 1990 & 20001970, 1980, 1990 & 2000

vs. Public Use Microdatavs. Public Use Microdata Lowest level of Lowest level of geographygeography

available in the PUMS is an area available in the PUMS is an area that contains 100,000 people that contains 100,000 people (PUMA)(PUMA)

RDC version includes more RDC version includes more detailed geographic informationdetailed geographic information

current residencecurrent residence place of workplace of work prior place of residenceprior place of residence

Decennial CensusDecennial Census vs. Public Use Microdatavs. Public Use Microdata

Larger sample sizeLarger sample size 100% of short form respondents100% of short form respondents One in six answered long formOne in six answered long form

PUMS has 5% of populationPUMS has 5% of population Improves analysis of small Improves analysis of small

populations/sample sizespopulations/sample sizes Less top-codingLess top-coding

Continuous variables, such as income, are Continuous variables, such as income, are top-coded at a higher leveltop-coded at a higher level

More detailed codes (race, education, multi-More detailed codes (race, education, multi-race, e.g. type of native American)race, e.g. type of native American)

Documentation at ICPSR(but NOT the data)

What can you do with it? Analyses of Segregation School Choice Preferences Impacts of Indian Casinos Patterns of Migration Impacts of Subsidized Childcare Residential and Work Enclaves Spatial Mismatch Impacts of Vietnam DraftLook for yourself (CES Discussion Paper

Series)

American Community American Community SurveySurvey

All surveys with all information All surveys with all information collected on surveycollected on survey Household or person-level dataHousehold or person-level data Detailed geography (census block)Detailed geography (census block) No top or bottom codingNo top or bottom coding

1996 through 2009 currently available1996 through 2009 currently available Can be linked to other data sources, Can be linked to other data sources,

where feasible and permissiblewhere feasible and permissible

Confidential Versions of Confidential Versions of Your Favorite Public Use Your Favorite Public Use

DatasetsDatasets Survey of Income and Program Survey of Income and Program

Participation (SIPP) Participation (SIPP) National Longitudinal SurveyNational Longitudinal Survey Current Population Survey Current Population Survey

(March)(March) American Housing SurveyAmerican Housing Survey

Economic datasets: Economic Census

Economic datasets: Firms

Economic datasets: Establishments

Economic datasets: Transactions

Economic datasets: BR

Longitudinal Business Database

Longitudinally linked Business Longitudinally linked Business Censuses Censuses All non-farm establishments with All non-farm establishments with

paid employees in (almost) all paid employees in (almost) all industries industries 24 million unique establishments24 million unique establishments Excludes airlines, agriculture, RRExcludes airlines, agriculture, RR

Longitudinal Business Database

LBD includes LBD includes PayrollPayroll EmploymentEmployment OwnershipOwnership Detailed geographic informationDetailed geographic information Industry at 6-digit NAICS (more Industry at 6-digit NAICS (more

detail in some cases)detail in some cases) Other variables available (e.g. sales) Other variables available (e.g. sales)

but coverage varies across sectorsbut coverage varies across sectors

Employer-Employee Linked Employer-Employee Linked DatasetsDatasets

LEHD: Longitudinal Employer LEHD: Longitudinal Employer –– Household DynamicsHousehold Dynamics Quarterly data on employment and Quarterly data on employment and

wages from state unemployment wages from state unemployment insurance agenciesinsurance agencies

Contains basic demographic data for all Contains basic demographic data for all employeesemployees

Establishments linked to the LBDEstablishments linked to the LBD 49/50 states are currently participating 49/50 states are currently participating

(not all available in RDC setting)(not all available in RDC setting)

Synthetic products

Synthetic products

National Center for Health National Center for Health StatisticsStatistics

We are now hosting research using confidential NCHS and AHRQ We are now hosting research using confidential NCHS and AHRQ data in the CCRDC data in the CCRDC

Rules for access and disclosure the same as those in their enclavesRules for access and disclosure the same as those in their enclaves http://www.cdc.gov/nchs/r&d/rdc.htm http://www.meps.ahrq.gov http://www.ciser.cornell.edu/NYCRDC/documents/http://www.ciser.cornell.edu/NYCRDC/documents/

NCHS_RDC_Data.pdfNCHS_RDC_Data.pdf No requirement to demonstrate Census benefitNo requirement to demonstrate Census benefit..

Long list of datasets – including NHIS, NHANES, NSFG, Long list of datasets – including NHIS, NHANES, NSFG, LSOA….LSOA….

http://www.ciser.cornell.edu/NYCRDC/documents/NCHS_RDC_Data.pdfhttp://www.ciser.cornell.edu/NYCRDC/documents/NCHS_RDC_Data.pdf

New DataNew DataNational Center for Health National Center for Health

StatisticsStatistics http://www.cdc.gov/rdc/http://www.cdc.gov/rdc/ National Health and Nutrition Examination Survey (NHANES)

NHANES combines interviews and physical examinations to NHANES combines interviews and physical examinations to assess the health and nutritional status of adults and children in assess the health and nutritional status of adults and children in the United States. the United States. 

National Health Care Surveys (NHCS) National Health Care Surveys (NHCS) A family of provider-based surveys that provide reliable A family of provider-based surveys that provide reliable information about health care providers, services, and patients. Ninformation about health care providers, services, and patients. N

National Health Interview Survey (NHIS) The NHIS collects data on a broad range of health topics through The NHIS collects data on a broad range of health topics through personal health interviews conducted in the home. personal health interviews conducted in the home. 

National Vital Statistics System (NVSS) National Vital Statistics System (NVSS) NVSS works with state vital registration systems to compile data NVSS works with state vital registration systems to compile data on births, deaths, marriages, divorces, and fetal deaths. on births, deaths, marriages, divorces, and fetal deaths.

New DataNew DataNational Center for Health National Center for Health

StatisticsStatisticsNational Health Care Surveys (NHCS)

National Ambulatory Medical Care Survey (NAMCS) National Hospital Ambulatory Medical Care Survey (NHAMCS) National Survey of Ambulatory Surgery (NSAS) National Hospital Discharge Survey (NHDS) National Nursing Home Survey (NNHS) National Home and Hospice Care Survey (NHHCS) National Survey of Residential Care Facilities (NSRCF)

NHIS: Health Topics Demographics and SES Health status and disability Injury and poisonings Health insurance coverage Access to care Health services utilization Immunization Chronic conditions Health behaviors Height & Weight

New DataNew DataNational Center for Health National Center for Health

StatisticsStatisticsNational Vital Statistics System (NVSS) National Vital Statistics System (NVSS)

Births (Natality) Deaths (Mortality) Fetal Death (Fetal Mortality) Linked Birth/Infant Death (Linked Fetal Mortality) Marriages and Divorces (Marital Status) National Maternal and Infant Health Survey (NMIHS) National Maternal and Infant Health Survey (NMIHS) National Mortality Followback Survey (NMFS) National Mortality Followback Survey (NMFS)

New DataNew DataNational Center for Health National Center for Health

StatisticsStatisticsOther NCHS Data SourcesOther NCHS Data Sources

Longitudinal Studies of Aging (LSOA) Longitudinal Studies of Aging (LSOA) The LSOA follows two cohorts of people 70 years of age and over to The LSOA follows two cohorts of people 70 years of age and over to measure changes in their health, functional status, and health measure changes in their health, functional status, and health service use. service use. 

National Immunization Survey (NIS) National Immunization Survey (NIS) The NIS monitors immunization coverage of children between 19 and The NIS monitors immunization coverage of children between 19 and 35 months of age with a telephone survey and provider records. 35 months of age with a telephone survey and provider records. 

National Survey of Family Growth (NSFG) National Survey of Family Growth (NSFG) Collects information on family life, marriage and divorce, pregnancy, Collects information on family life, marriage and divorce, pregnancy, infertility, use of contraception, and men's and women's health. infertility, use of contraception, and men's and women's health. 

State and Local Area Integrated Telephone Survey (SLAITS) State and Local Area Integrated Telephone Survey (SLAITS) Collects health care information at the state and local levels to Collects health care information at the state and local levels to facilitate state and local area estimates to meet varied program and facilitate state and local area estimates to meet varied program and policy needs. policy needs. 

NCHS Data Linkage Activities (Linkage)NCHS Data Linkage Activities (Linkage)To enhance research value, NCHS links records from its population To enhance research value, NCHS links records from its population based surveys with other sources including Death Certificates (NDI), based surveys with other sources including Death Certificates (NDI), Medicare Claims (CMS), Social Security Benefits (SSA), Air Medicare Claims (CMS), Social Security Benefits (SSA), Air Monitoring Data (EPA). Monitoring Data (EPA). 

RDC Research RDC Research EnvironmentEnvironment

““Thin Client” computing. Thin Client” computing. Servers in Maryland, accessed via remote terminalsServers in Maryland, accessed via remote terminals Standard statistical software (SAS, Stata, Guass, Standard statistical software (SAS, Stata, Guass,

Matlab, etc.)Matlab, etc.) Standard Datasets kept on serversStandard Datasets kept on servers Other software/data coordinated by Other software/data coordinated by

Administrator/CES staffAdministrator/CES staff

Secure Environment Secure Environment Restricted and monitored keycard accessRestricted and monitored keycard access No VisitorsNo Visitors No Laptops, internetNo Laptops, internet Printing limited, RDC AdministratorPrinting limited, RDC Administrator

Virtual RDC at Cornell Virtual RDC at Cornell (Synthetic Data, Zero Obs files)(Synthetic Data, Zero Obs files) http://www.vrdc.cornell.edu/news/http://www.vrdc.cornell.edu/news/

FeesFees

$15,000 Standard Annual Project Fee$15,000 Standard Annual Project Fee Waivers may be available for Graduate Waivers may be available for Graduate

Student ResearchersStudent Researchers Additional Fees for complex matching Additional Fees for complex matching

requiring CES staffrequiring CES staff Additional Fees for NCHS data – initial file Additional Fees for NCHS data – initial file

creation and processing, creation and processing, but much smaller but much smaller annual feeannual fee

NEWNEW

Newly “recovered” historical household/population surveys and Newly “recovered” historical household/population surveys and business/economic surveys. business/economic surveys. Expedited access for evaluation purposesExpedited access for evaluation purposes Non-March CPS supplements, economic Censuses, ASMs…Non-March CPS supplements, economic Censuses, ASMs…Write for details if you have questions.Write for details if you have questions.

Kauffman Firm Survey Data Extension- Data MatchingKauffman Firm Survey Data Extension- Data Matching(http://www.kauffman.org/kfs/Travel-Grants-Program/Call-for-Proposals-(http://www.kauffman.org/kfs/Travel-Grants-Program/Call-for-Proposals-%E2%80%93-KFS-Data-Extension-%E2%80%93-Data-Mat.aspx)%E2%80%93-KFS-Data-Extension-%E2%80%93-Data-Mat.aspx)

National Crime Victimization Survey, 2008 - 2009National Crime Victimization Survey, 2008 - 2009

OtherOther

CES Mentorship programCES Mentorship program(US citizens only)(US citizens only)

Virtual RDCVirtual RDChttp://www.vrdc.cornell.edu/news/synthetic-data-http://www.vrdc.cornell.edu/news/synthetic-data-

server/server/

INFO 7470: Spring Semester 2011INFO 7470: Spring Semester 2011http://www.vrdc.cornell.edu/info747/http://www.vrdc.cornell.edu/info747/

course_outline.htmlcourse_outline.html

Contact InformationContact Information RDC web site: RDC web site:

http://www.ccrdc.ucla.edu/ email: email: [email protected] RDC phone: (510) 643-2262RDC phone: (510) 643-2262 RDC administrator: Angela AndrusRDC administrator: Angela Andrus RDC executive director: Jon StilesRDC executive director: Jon Stiles CES: CES:

https://www.census.gov/ces/index.htmlhttps://www.census.gov/ces/index.html