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HSE 1998 & Nurse Visit

Introductory workshop to the English Longitudinal Study of Ageing 5 July 2005 Royal Statistical Society, London Future Activities Carli Lessof National Centre for Social Research. The English Longitudinal Study of Ageing. HSE 1998 & Nurse Visit. HSE 1999 & Nurse Visit. HSE 2001

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HSE 1998 & Nurse Visit

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  1. Introductory workshop to the English Longitudinal Study of Ageing5 July 2005Royal Statistical Society, LondonFuture ActivitiesCarli LessofNational Centre for Social Research

  2. The English Longitudinal Study of Ageing HSE 1998 & Nurse Visit HSE 1999 & Nurse Visit HSE 2001 & Nurse Visit ELSA Wave One 2002/3 Core Interview (12,100 respondents) ELSA Wave Two 2004/5 Core Interview + Nurse Visit ELSA Wave Three 2006/7 Core Interview + Retrospective Interview

  3. As at Wave 2 core modules remain Repeat cross-sectional questions Dependent interviewing where prior data is available (Temporary) removal of some questions Some additions Revisions to health questions e.g. dental health Take-up of benefit Expectations of life expectancy Reintroduction of questions e.g. GHQ12, social capital Vignettes Experimental module on diet and physical activity Survey Content at Wave 3

  4. Continuation with Institutional and Exit interviews Introduction of refreshment sample Longevity of the study Key pre-retirement group and cohort effects Aged 50-53 and their younger (and older) partners Current plan for HSE 2001, 2002, 2003 Retrospective interview Major Changes at Wave 3

  5. Background and motivation Development timetable Methodology Content Validation ELSA Life History Data

  6. History of birth cohort studies in Britain Shown influence of early and mid life events Identified social and biological chains of risk ELSA has a relatively large fraction life unobserved Are there measures we can obtain that will help explain future outcomes and trajectories? Why Collect Life History Data?

  7. The four British birth cohort studies National Survey of Health and Development (NSHD) Those living in GB born 3-9 March, 1946 National Child Development Study (NCDS) All those living in GB born 3-9 March, 1958 1970 British Cohort Study (BCS70) All those living in GB born 5-11 April, 1970 Millennium Cohort Study (MCS) All those born in selected areas of UK over 12 months beginning September 2000 in England and Wales, and December 2000 in Scotland and Northern Ireland

  8. UK Cohort data Age 50 NSHD NCDS BCS MC 1946 1958 1970 2000 Year of birth

  9. UK Cohort data Age 100 50 1902 ELSA 1952 NSHD NCDS BCS MC 1946 1958 1970 2000 Year of birth

  10. UK Cohort data Age 100 50 1902 ELSA 1956 NCHD NCDS BCS MC 1946 1958 1970 2000 Year of birth

  11. UK Cohort data Age 100 50 1902 ELSA 1956 NCHD NCDS BCS MC 1946 1958 1970 2000 Year of birth

  12. UK Cohort data Age 100 50 1902 ELSA 1956 NCHD NCDS BCS MC 1946 1958 1970 2000 Year of birth

  13. Measures in core questionnaire Administrative data Retrospective survey to cover life pre-ELSA Types of Life History Data Collected

  14. Early life events Who study member lived with in childhood Employment of study member’s father/parent when 15 Recall data in ELSA baseline/core (1) Education • At HSE asked for highest educational qualification • At Waves 1, 2 & future waves ask for new qualifications Relationships and fertility • Household membership and relationships from W0 • Living children (within and outside household) from W1

  15. Housing and geographical mobility Address and characteristics of home from W0 (HSE) Postcode related information about area Recall data in ELSA baseline/core (2) Health events • Major health events ever and since last wave Jobs, income and pensions • Job, NS(SEC), SOC2000 from W0 onwards • Including main job for those already retired

  16. NHS Central Register Employer (for private pension plan details) Hospital Episodes database National Insurance contributions (post 1978) Benefits (incl. state pension payments) and tax credits (post 1999) Linkage to administrative data

  17. Development of the Retrospective Interview • Design and content in development • Decisions are inter-linked • Pre-pilot September 2005 • Pilots in approx November 2005 and January 2006

  18. Design and methodology • Life-grid methods good for ‘autobiographical’ recall • Berney and Blane; Belli instrument for PSID • But in addition we will want • Detailed routed follow-ups for events/spells • More general retrospective recall items • Paper, computer or hybrid methodology • Combine life-grid with recall follow-ups delivered by CAPI

  19. Design questions • Individual (but may check demographics with couples) • Same interviewer • Immediate follow-up (off-year survey in 2007 possible) • Feed forward from ELSA core or independence • Degree of precision - year, decade, life-stage

  20. Content: General principles • Motivation for inclusion of topics/questions that are: • Predictive of late life events and trajectories • Prevalent • Recalled with acceptable degree of precision • We will not have topics that are solely of interest for: • Modelling trajectories pre-ELSA • Understanding cross-sectional prevalence of early life factors for older cohorts

  21. Place of birth and subsequent residences Location and tenure; characteristics; area characteristics Periods evacuated, abroad, in army, in institutions Marriage / divorce / cohabitation / widowhood Pregnancies and births Parents age and cause of death Quality of relationships with parents, sibs, carers Content (1): Family and demographics

  22. Education history Indicators of material circumstances: bath/indoor toilet/water supply; shared bedrooms; books Relationship with parents Content (2): Early life

  23. Start and end of job (and employer) spell Full time / part time Pension membership (Yes/No) Earnings when started; earnings when stopped Job characteristics Physical, intellectual, emotional demands of work; control and effort/reward in job; exposure to risk Content (3): Employment

  24. History of CVD, cancers and osteoarthritis Information about hospitalisations and operations Serious injuries Smoking history - times stopped started/periods Age of menarche and menopause Content (4): Health

  25. Migrant experiences Whether life similar to parents / children Subjectively most important life events Content (5): Other Life-events

  26. Overlap between prospective and retrospective accountsfor example in housing transitions and employment spells Comparing administrative health data with retrospective histories e.g. knee replacements and other surgery Compare National Insurance Contribution records with accounts of employment history, opting out of SERPS, etc Comparison to NCHD and NCDS cohort histories Some possible validation exercises

  27. The English Longitudinal Study of Ageing HSE 1998 & Nurse Visit HSE 1999 & Nurse Visit HSE 2001 & Nurse Visit ELSA Wave One 2002/3 Core Interview (12,100 respondents) ELSA Wave Two 2004/5 Core Interview + Nurse Visit ELSA Wave Three 2006/7 Core Interview + Retrospective Interview ELSA Wave Four 2008/9 Core Interview + Nurse Visit

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