Interdisciplinary Longitudinal Study of Adult Development
The goal of the Interdisciplinary Longitudinal Study of Adult Development (ILSE) is to identify individual, social and economic determinants of a healthy, self-determined and satisfied ageing. The population-based, representative ILSE study contributes substantially to interdisciplinary basic research, has far-reaching importance for the development of prevention programs to improve the quality of life in middle and old age, and takes on essential sociopolitical topics (i.e., voluntary engagement, job situation of older workers, anticipation of need of care).
As an interdisciplinary longitudinal study (involved disciplines: developmental psychology, medicine, ecological gerontology, geronto-psychiatry, psychosomatics, dentistry, media research) the ILSE offers the opportunity to analyze inter- and intra-individual differences and changes over the life-span as well as relations between environmental factors, behavioral aspects, life-events, health behaviors, mental and physical health and well-being. The biographical approach pursued by the ILSE study is based on the assumption that the quality of developmental experiences in early life-phases influence the performance and possibilities of adaptation in later life in a unique way.
Overview
- Acronym
- ILSE
- Website
- ILSE
- Investigators
-
- Contacts
-
General Design
- Study design
- Cohort
- Start - End Year
- 1993 -
- General Information on Follow Up (profile, frequency)
-
Subjects have been followed up since 1993/94 for an average time of 12 years within three examination waves.
- Recruitment Target
-
- Individuals
- Number of Participants
- 1,002
- Supplementary Information
-
At the first measurement point, the ILSE sample consisted of 1390 persons from East (research centres: Leipzig and Rostock) and West Germany (research centres: Heidelberg, Bonn and Erlangen-Nuremberg). The representative ILSE sample was stratified by sex and cohort membership (born 1930-32 and 1950-52, respectively).
Access
Availability of data and biosamples
| Possible Access to Data | |
| Possible Access to Biosamples | |
| Other |
|
Marker Paper
Sattler, C., Wahl, H.-W., Schröder, J., Kruse, A., Schönknecht, P., Kunzmann, U., Braun, T., Degen, C., Nitschke, I., Rahmlow, W., Rammelsberg, P., Siebert, J. S., Tauber, B., Wendelstein, B., Zenthöfer, A. (in press). Interdisciplinary Longitudinal Study on Adult Development and Aging (ILSE). In N. Pachana (Ed.), Encyclopedia of Geropsychology: New York: Springer.
Supplementary Information
Zusätzliche Informationen befinden sich hier (in Deutsch): https://www.klinikum.uni-heidelberg.de/ILSE.109593.0.html
Timeline
Populations
This population was born between 1950 and 1952 and resided in East and West Germany at the start of the study.
Selection Criteria
- Minimum age
-
40
- Maximum age
-
42
- Countries
-
- Germany
- Territory
-
East Germany (Leipzig and Rostock) and West Germany (Heidelberg, Bonn and Erlangen-Nuremberg)
- Other Criteria
-
German speaking population
Sources of Recruitment
- General Population
-
- Volunteer enrolment
- Supplementary Information
-
Participants were randomly selected and recruited on the basis of community registers which comprise data on all inhabitants of German communities.
Sample Size
- Number of Participants
- 502
Data Collection Events
| # | Name | Data sources | Data sources - Biosamples | Start | End |
|---|---|---|---|---|---|
| 0 | ILSE - C50 - Wave 1 |
|
1993 | 1996 | |
| 1 | ILSE - C50 - Wave 2 |
|
1997 | 2000 | |
| 2 | ILSE - C50 - Wave 3 |
|
2005 | 2008 | |
| 3 | ILSE - C50 - Wave 4 |
|
2014 | 2016 |
This population was born between 1930 and 1932 and resided in East and West Germany at the start of the study.
Selection Criteria
- Minimum age
-
60
- Maximum age
-
62
- Countries
-
- Germany
- Territory
-
East Germany (Leipzig and Rostock) and West Germany (Heidelberg, Bonn and Erlangen-Nuremberg)
- Other Criteria
-
German speaking population
Sources of Recruitment
- General Population
-
- Volunteer enrolment
- Supplementary Information
-
Participants were randomly selected and recruited on the basis of community registers which comprise data on all inhabitants of German communities.
Sample Size
- Number of Participants
- 500
Data Collection Events
| # | Name | Data sources | Data sources - Biosamples | Start | End |
|---|---|---|---|---|---|
| 0 | ILSE - C30 - Wave 1 |
|
1993 | 1996 | |
| 1 | ILSE - C30 - Wave 2 |
|
1997 | 2000 | |
| 2 | ILSE - C30 - Wave 3 |
|
2005 | 2008 | |
| 3 | ILSE - C30 - Wave 4 |
|
2014 | 2016 |
Participating Studies
| Acronym | Name | Study design | Countries |
|---|
Harmonization Initiatives Included
| Acronym | Name |
|---|
Datasets
| Name | Data Collection Events | Variables |
|---|
Areas of Information Collected
- Socio-demographic and economic characteristics
- Death
- Lifestyle and behaviours
- Physical measures and assessments
- Birth, pregnancy and reproductive health history
- Laboratory measures
- Perception of health, quality of life, development and functional limitations
- Cognition, personality and psychological measures and assessments
- Diseases
- Life events, life plans, beliefs and values
- Symptoms and signs
- Preschool, school and work life
- Medication and supplements
- Social environment and relationships
- Non-pharmacological interventions
- Physical environment
- Health and community care services utilization
- Administrative information
Variables Content Summary
Areas of Information Collected
Areas of Information Collected per per Population and Data Collection Event
Networks
| Acronym | Name | Harmonization Initiatives | Individual Studies |
|---|