The Health Survey for England

							                               http://www.ifs.org.uk/elsa




       ELSA datasets and documentation
          available from the archive
          or by special arrangement
                     Kate Cox
   National Centre for Social Research (NatCen)




ELSA    English Longitudinal
        Study of Ageing
  ELSA data and documentation in archive

     Wave 1 datasets
       Core variables
       Financial derived variables
       Pensions wealth

     Wave 1 documentation
       Questionnaire
       Fielddocuments, coding & editing info etc.
       User guides for all datasets


ELSA
         Wave 1 Core Variables Dataset (1)

  Includes
   Current version - 2.1
   Individual level file
   Data for all wave 1 respondents (N=12,100)
   Key variables - serial no.s, sample type, weighting
   All non-disclosive numeric variables in questionnaire
   Non-questionnaire variables:
        Admin variables - e.g. date of interview, no. of people in HH
        HSE variables
        Key derived variables - e.g. highest qualification


ELSA
       Wave 1 Core Variables Dataset (2)

  Excludes - potentially disclosive variables:
   Full date of birth
   Full interview date
   Detailed ethnicity and country of birth
   Text variables
   Geography variables




ELSA
             Questionnaire documentation

   Word document (pdf)
   Question wording for all modules (including self-
    completion)
   Interview instructions and checks
   Filtering
   Variables for multiple-response and open questions
   Annotations:
         Variables excluded from dataset (@)
         Questions asked of proxy respondents as well as standard
          respondents (*)
         Questions asked ONLY of proxy respondents (**)

ELSA
              Core dataset user guide

   Sample info
   Weighting
   Structure of the questionnaire
   Key variables - e.g. serial numbers, outcome codes
   Excluded variables
   Coding and editing information
   Missing values
   List of all variables not annotated in questionnaire




ELSA
             Wave 1 field documents

     Self completion questionnaire
     Cognitive function booklet
     Showcards
     Codebook and edit instructions
     Project instructions
     Consent forms
     Advance letters



ELSA
           Future data to archive

   Wave 0 (HSE 98, 99, 01)
   Index file for linking
   Wave 1 household level data
   Wave 1 derived variables
   Wave 2 interview data
   Wave 2 nurse data and other data
   Time series data


ELSA
                  Wave 0 datasets

     Separate dataset for each year - 1998, 1999,
      2001
     Common variables dataset
     Interview and nurse visit data
     Health data
     Other data - income, benefits, work, housing,
      other members of household



ELSA
          ELSA datasets - not in archive (1)

     Geography (HSE & ELSA Wave 1)
       Government Office Region
       Standard Statistical Region
       Local Authority
       Strategic Health Authority
       Health and Social Care Directorate
       Population Density
       Index of Multiple Deprivation
       Urban/Rural Indicator


ELSA
       ELSA datasets - not in archive (2)

   Hospital Episodes Statistics (HES)
   Mortality and cancer data
   DWP and HMRC admin. data




ELSA
       Provision of non-archivable data

   Special datasets
   Match variables on at NatCen
   NatCen Data Enclave




ELSA
                          Contacts

  Kate Cox, NatCen
  Email: k.cox@natcen.ac.uk
  Tel: 020 7549 8542

  ELSA in UK archive:
  http://www.esds.ac.uk/longitudinal/access/elsa/introduction.asp


  ELSA website:
  http://www.ifs.org.uk/elsa


ELSA