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Accessing and Using the Integrated Household Survey data

Accessing and Using the Integrated Household Survey data. ESDS Government Centre for Census and Survey Research University of Manchester. Outline. Part 1: User support from ESDS Part 2: Accessing data Part 3: Using the data. Part 1 : User support . In this part you will learn about:

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Accessing and Using the Integrated Household Survey data

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  1. Accessing and Using the Integrated Household Survey data ESDS Government Centre for Census and Survey Research University of Manchester

  2. Outline • Part 1: User support from ESDS • Part 2: Accessing data • Part 3: Using the data

  3. Part 1 : User support In this part you will learn about: The Economic and Social Data Service resources – what we’re here for and useful resources

  4. Economic and Social Data Service (ESDS) • National data archiving, dissemination and support service, established 2003 (for key economic and social data). Funded by ESRC • Distributed service, bringing together centres of expertise • UK Data Archive (UKDA) • Centre for Census and Survey Research (CCSR) • Manchester Information & Associated Services (MIMAS) • Institute for Social and Economic Research (ISER) • Access and User Support (helpdesk, user guides, workshops etc)

  5. Part 2 : Accessing data In this part you will learn about: how to access data how to download data how to browse the documentation how to explore the data using Nesstar

  6. Registration and Data Access

  7. How to access data - summary • Register with ESDS to access the End User Licence and Special Licence versions of the IHS data • End User Licence: • Agree to the terms & conditions of the End User Licence • Select the dataset from the Data Catalogue and click ‘Download/Order’ • Specify a usage/project for which the data are to be used • Then: • download data selecting your preferred format (SPSS, Stata, TAB etc.) or • place an online order for the data

  8. The End User Licence • This is not public data! • We need to know who you are, how to contact you and what you are using the data for • Details of intended use of the data • Agree not to attempt to identify individuals or households • Only use the data for your stated purpose (you can re-register if you want to use the data for another use) • Do not pass the data to unregistered parties (that includes deleting the data before passing on PCs!) • Tell us if you publish using the data • Keep means of access secure • Breach will lead to termination of access

  9. Obtaining data once registered • Choice of downloading entire files: • SPSS, Stata, tab delimited formats for most files • Comes zipped up with documentation • Or explore the data and download subsets in Nesstar (c. 200 files in this format – including most of the Government surveys) • Allows you to explore metadata without being registered • Can do basic exploratory anlyses (including OLS) online without downloading files • Can define subsets to download in a wider range of formats including SAS

  10. Special Licence Researcher need for more detailed data in particular lower geographies; More detail increases risk of disclosure ONS Approved Researcher access: • Paper application procedure • Need to agree to stringent data stewardship conditions • Provide evidence that she/he is a fit and proper person • Detail the purpose of the research • Create an online order for the data required • Sign a declaration that she/he understand the confidentiality obligations, including physical security owed to those data

  11. Documentation • All users can access study descriptions, online documentation, including questionnaires, free of charge without registering with ESDS • VERY important to read the documentation before you start the analysis • Documentation available online from UKDA/ESDS • Don’t need to be registered • Documentation contains • Information about method/sampling/response • Codebooks of variables • Information about derived variables • Questionnaires Unless you can track the variable back to the question asked, and work out who it was asked of, you don’t understand the data!

  12. Online Data tool: Nesstar

  13. Useful links • How to access data: www.esds.ac.uk/aandp/access/access.asp • Logo and registration help: www.esds.ac.uk/aandp/access/accessh.asp • New users: www.esds.ac.uk/support/newuser.asp • Terms and conditions: www.esds.ac.uk/orderingData/termsandconditions.asp

  14. Part 3 : Using the data In this part you will learn about: Why use the data? Pros and cons of using the data

  15. Why use the data? Because the data are... • Very cost effective: data free of charge to not for profit researchers • Access to high quality, well documented data • Saves time: no need to conduct survey • Allows geographical comparisons to be made • Will allow historical comparisons (in future time-series) • ESRC funded data support services • Can provide nationally representative data ‑ allows generalisation to population (experimental data)

  16. Pros of using the data (1) • Large sample Size • Largest dataset since 2001 Sample of Anonymised Records from the Census • Total number of individuals: 449 330 (compared with e.g. Annual Population Survey: c.330 000) • Gives more robust estimates (standard errors and confidence intervals are smaller) and enables more detailed multivariate analysis

  17. Pros of using the data (2) Single year of age will be on the EUL version of the re-released dataset in April • Enables detailed analysis of sub-groups e.g.: • Ethnic groups: 22,091 Asian or Asian British; 9, 547 Black or Black British • Age groups: 81, 453 aged 65 & over • Covers small geographic areas (SL only) GOR (EUL & SL) County (SL) Local Authority (SL) NUTS2 (SL) NUTS3 (SL) • Largest EVER sample size for smoking data (158,000 who have ever smoked a cigarette, cigar or pipe)

  18. Household 1 North West Social rented Household 2 Wales Owner occupier Person 1 HRP Female 28 GCSE P/T Work Current smoker Person 2 Son of HRP Male 12 N/A N/A N/A Person 1 HRP Male 33 Degree F/T Employee Current smoker Person 2 Spouse of HRP Female 31 Degree P/T Employee Not current smoker Person 3 Parent of HRP Female 72 No quals Econ Inactive Not current smoker Pros of using the data (3) Allows linkage of household members and family units Hierarchical data: conceptually

  19. Pros of using the data (4) • Contains a question on Sexual Identity (SL only) heterosexual/straight gay/lesbian bisexual Other • Harmonised questions across ONS surveys and harmonising questions with Eurostat to have common questions across EU so enabling cross-national comparative analysis

  20. Pros of using the data (5) Eth01: Which ethnic group do you consider yourself to belong to? White Mixed Asian or Asian British Black or Black British Chinese Other ethnic group EthRelig: White Mixed Asian or Asian British, Muslim • Asian or Asian British, Sikh • Asian or Asian British, Hindu Asian or Asian British, Other Black or Black British, Christian Black or Black British, Muslim Black or Black British, Other Chinese Other ethnic group • Use the flexibility of the data to look at alternative definitions e.g. ethno-religion Relig: What is your religion, even if not practising? Christian Buddhist Hindu Jewish Muslim Sikh Any other religion No religion at all

  21. Pros of using the data (6) • In years to come ………use the IHS to examine trends over time • Reasonable amount of comparability • Data is representative at each time point • Good at looking at impacts on groups (not individuals) BUT • There may be limits to continuity in the data • Cannot establish individual • Cannot pool years/quarters to look at periods of change

  22. Pros of using the data (7) • Use the data for context to your own primary research • Your research could be quantitative or qualitative • To assess the scale of behaviours – how big is the behaviour you are looking at? • To assess the national context of an area study • To assess whether your sample is typical of national data

  23. Pros of using the data (8) • Use the data in teaching: • Methods courses • Using the data in a hands on manner • Using substantive exemplars to demonstrate a methodological point • Substantive courses • Making your point using data • Integrating methods into substantive courses

  24. Cons of using the data (1) • Experimental status • Possibility of competing estimates (until 2nd stage weighting in place) e.g. employment estimates from Annual Population Survey/Labour Force Survey or health estimates from General Lifestyles Survey or Health Surveys • Fewer/less detailed questions than other surveys e.g. General Lifestyles Survey smoking sections covers types of cigarettes, numbers smoked, low vs high tar etc

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