Individual Study / TILDA

The Irish Longitudinal Study of Ageing

The Irish Longitudinal Study of Ageing

TILDA logo
Initiatives -
The principal objective of the Irish Longitudinal Study on Ageing are to determine: 1. the health status and health needs of older people 2. the social and economic status and needs of older people 3. the health, economic and social needs of families and carers of older people 4. the biological and environmental components of "successful ageing" 5. the contributions that older people are making to society and the economy 6. how each of these key components (health, wealth, happiness) interact such that we can ensure that Ireland meets the needs and choices of its citizens in a personalised and positive environment and with due dignity and respect.
Start Year
2009
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Members

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Investigators Contacts
  • Dr Ann Hever
    Trinity College Dublin

Design

Study design
Population cohort
Follow Up
Participants in the first wave will be invited to complete a follow-up interview every two years and a health assessment every three to four years for a ten year period.
Supplementary Information
Kenny RA. An Introduction to the Irish Longitudinal Study on Ageing. J Am Geriatr Soc. 2013 May; Suppl2:S263-64. doi: 10.1111/jgs.12200 PubMed PMID: 23662717. Cronin H, O'Regan C, Finucane C, Kearney P, Kenny RA. Health and ageing: development of the Irish Longitudinal Study on Ageing health assessment. J Am Geriatr Soc. 2013 May;61 Suppl 2:S269-78. doi: 10.1111/jgs.12197. PubMed PMID: 23662719.

Marker Paper

Whelan BJ, Savva GM. Design and methodology of the Irish Longitudinal Study on Ageing. J Am Geriatr Soc. 2013 May;61 Suppl 2:S265-8. doi: 10.1111/jgs.12199. PubMed PMID: 23662718.

PUBMED 23662718

Recruitment

Sources of Recruitment
  • Individuals

Number of participants

Number of participants
8,500
Number of participants with biosamples
5,800

Access

Availability of data and biosamples

Data
Biosamples
Other

Timeline

Population

Eligible respondents for this study include individuals aged 50 and over and their spouses or partners of any age. A nationally representative sample of at least 8,000 adults aged 50 and over, resident in Ireland, was selected using a population sift. The selected addresses were visited by an interviewer from Ipsos MORI and all persons aged 50 or over (and their spouses/partners of any age) were canvassed to participate in the survey. 8,504 participants were recruited to the study. These include 8,175 respondents aged 50+ and 329 younger partners of eligible individuals. The household response rate to the study was 62%.
Selection Criteria
Minimum age
50
Newborns
Twins
Ethnic Origin
Health Status

Recruitment

Sources of recruitment
  • General population
General Population
  • Selected sample

Number of participants

Number of participants
8,504
Number of participants with biosamples
5,700
Data Collection Events
# Name Description Start End
0 TILDA - Wave 1 TILDA 2009-2011 main questionnaire consists of 24 modules on all aspects of the respondents’ lives, including the economic dimension, health aspects and the social domain. It was completed by ... 2009-10 2011-02
1 TILDA - Wave 2 TILDA 2012 main questionnaire was completed by a face-to-face, computer-assisted interview and supplemented by a self-completed questionnaire. Questions were asked on health, housing, social ... 2012-04 2013-01
2 TILDA - Wave 3 TILDA 2014 main questionnaire will be completed by face-to-face, computer assisted interview and supplemented by a self-completed questionnaire. Later, health assessments will be carried out by ... 2014-01 2014-12
3 TILDA - Wave 4 TILDA 2016 main questionnaire will be completed by a face-to-face, computer-assisted interview and supplemented by a self-completed questionnaire. There is no separate health assessment during ... 2016-01 2016-12