ELSA English Longitudinal Study of Ageing An introduction to the An introduction to the English English Longitudinal Study of Longitudinal Study of Ageing Ageing Workshop on Longitudinal Studies of Ageing. Newcastle Nov 2004 Elizabeth Breeze & Meena Kumari University College, London
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An introduction to the English Longitudinal Study of Ageing
An introduction to the English Longitudinal Study of Ageing. Workshop on Longitudinal Studies of Ageing. Newcastle Nov 2004 Elizabeth Breeze & Meena Kumari University College, London. Research team International Centre for Health and Society, UCL Institute for Fiscal Studies and UCL - PowerPoint PPT Presentation
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ELSAEnglish LongitudinalStudy of Ageing
An introduction to the An introduction to the EnglishEnglish Longitudinal Study of AgeingLongitudinal Study of Ageing
Workshop on Longitudinal Studies of Ageing.
Newcastle Nov 2004
Elizabeth Breeze & Meena Kumari
University College, London
ELSA English LongitudinalStudy of Ageing
Research team
International Centre for Health and Society, UCL
Institute for Fiscal Studies and UCL
National Centre for Social Research (NatCen)
plus researchers from Cambridge, Nottingham, University of East Anglia, Exeter
Funding from NIA and UK government
ELSA English LongitudinalStudy of Ageing
ELSA investigators & management groupELSA investigators & management group
UCL:Michael MarmotJames NazrooElizabeth Breeze
IFS:James BanksRichard Blundell
NatCen:
Bob Erens
Carli Lessof
Cambridge:
Felicia Huppert
ELSA English LongitudinalStudy of Ageing
Key Research AreasKey Research Areas
Health trajectories
Disability and the compression of morbidity
Determinants of economic position in older age
Relationships between economic position and health
Timing of retirement
& post retirement labour market activity
Household/family structure; the transfer of resources
Social participation & social productivity at older ages
ELSA English LongitudinalStudy of Ageing
ELSA design: basicsELSA design: basics
Sample ―approx 12,000 people born before March 1952– in household sector at baseline– also interview spouses outside the age range– some details on other household / family members– interview every two years, starting 2002– from time to time refresh sample for younger end
of age spectrum (wave 3, 2006)
ELSA English LongitudinalStudy of Ageing
ELSA design: basicsELSA design: basics
Sample drawn from Health Survey for England
(1998,1999, 2001)―Annual cross-section of approx 16,000 adults―Core content―Varying supplementary modules each year―Some summary economic and demographic
measures―Detailed health measures form ELSA baseline
Demographics: household & individual Physical and mental health: disease and symptoms Social participation & social support Housing Employment and earnings Pensions and retirement Income and assets Cognitive function Psychosocial; quality of life Expectations
ELSA English LongitudinalStudy of Ageing
Modes of data collection (1)Modes of data collection (1)INTERVIEWER VISIT CAPI (computer assisted interviews) Self-completion Measurements – timed walk
NURSE VISIT (wave 2, wave 4..) Measurements, e.g. anthropometry, blood pressure Measures of functioning, e.g. grip strength Blood sample
Post back after interview: self-completion, saliva sample
ELSA English LongitudinalStudy of Ageing
Modes of data collection (2)Modes of data collection (2)LINKS TO OTHER SOURCES PLANNED Death and cancer registration Geographical information (via postcode) Hospital episodes Social security benefits
NB – not yet achieved last two
ONE-OFF LIFE HISTORY INTERVIEW, 2006
Subject to funding
ELSA English LongitudinalStudy of Ageing
Some messages from Wave 1Some messages from Wave 1
ELSA English LongitudinalStudy of Ageing
Middle age no paradiseMiddle age no paradise
0
20
40
60
80
100
50-54 55-59 60-64 65-69 70-74 75-79 80+
Age
% reporting difficulty with mobility or upper-limb functions
ELSA English LongitudinalStudy of Ageing
Old age not hellOld age not hell
0
20
40
60
80
100
50-54 55-59 60-64 65-69 70-74 75-79 80+
Age
% reporting NO difficulty with basic activities of daily living*
*Dressing, walking across room, bathing, eating, getting in/out of bed, using toilet
ELSA English LongitudinalStudy of Ageing
Social gradient in health persists – both Social gradient in health persists – both “objective” and “subjective” social ranking“objective” and “subjective” social ranking
More rapid ageing if lower in social More rapid ageing if lower in social hierarchyhierarchy
Poor gait speed by years education: women
0%
10%
20%
30%
40%
50%
60%
70%
80%
60-64 65-69 70-74 75-79 80-84 85-89 90+
age group
% <10
10+
ELSA English LongitudinalStudy of Ageing
Wave 2 (1)Wave 2 (1)NURSE VISIT (wave 2, currently in field) Blood pressure Grip strength Height (standing, sitting) Weight Waist and hip measurement Lung function Balance Leg rise; Chair raise Saliva sample (4 samples to be completed on next
convenient weekday)
ELSA English LongitudinalStudy of Ageing
Wave 2 (2)Wave 2 (2)
NURSE VISIT (wave 2, currently in field)
Blood sample – Assessment of lipids, (fasting) glucose, inflammatory markersDNA extraction for subsequent genetic analyses