Personal tools
You are here: Home IALSA Public Information Characteristics of IALSA Affiliated Studies

Characteristics of IALSA Affiliated Studies

Sample characteristics and data collection timelines for IALSA-affiliated stdies

Study Title

Start Yr

n

(T1)

Age

(T1)

Followup (yrs)

Occ Interval

Curr # Occ

Type Sample

 

Australian Longitudinal Study of Aging (ALSA)

1992

2087

65-103

11

2, 6, 3

4

Stratified sample of community dwelling and those in residential care

Bonn Longitudinal Study of Aging (BOLSA)

1965

221

62-72

19

Varies

8

Community volunteer sample

Caerphilly Cohort Study of Older Men (CCS)

1979

2512

45-59

25

4-5

6

Electoral register plus GP lists, male only

Canberra Longitudinal Study (CLS)

1991

897

70-93

14

3.5

5

Community sample (electoral role), institutional care, oversampling of very old

Cardiovascular Health Study (CHS)

1989

5888

65+

10

1

10

Non-institutionalized Medicare eligible sample; minorities oversampled

Einstein Aging Studies (EAS)

1980

488

70-90

20

1

20

Volunteer sample

Aging in Women and Men (GENDER)

1995

498

69-81

8

4

3

Opposite sex twins in Sweden born between 1906 and 1925

Gerontological and Geriatric Population Studies in Göteborg, Sweden (H-70)

1971

1000

70

29

2-5

12

Representative sample: Gothenberg;   sequential design

Health and Retirement Study (HRS) and AHEAD

1992

12600

50-60

14.0

2

7-8

National sample, minorities oversampled

Healthy Older Person Edinburgh Study (HOPE)

1990

603

70+

12

4

4

Medical registry

Interdisciplinary Longitudinal Study of Adult Development (ILSE)

1996

1384

45, 65

4

4

2

Former East and West Germany

Long Beach Longitudinal Study (LBLS)

1978

509

55-87

21

2, 14

4

Recruited from Health Maintenance Organization

Longitudinal Aging Study Amsterdam (LASA)

1991

3107

55-85

9

3

4

Urban and rural municipal registries

Longitudinal Study of Cognitive Change in Normal, Healthy Old Age (LSCC)

1982

1985

2050

2193

49-96

14

1-6

4

Community volunteer sample;   sequential design

National Survey of Health and Development (NSHD; 1946 British Birth Cohort Study)

1946

5362

60

60

Varies

39

Nationally representative sample UK

Nordic Research on Aging Study (NORA)

1989

1204

75

5

5

2

Representative city samples

Normative Aging Study (NAS)

1963

2280

21-81

42

5

13

Male veterans

Origins of Variance in the Old-Old: Octogenarian Twins (OCTO-Twin)

1990

702

80+

8

2

5

Swedish Twin Registry

Oregon Brain Aging Study (OBAS) and

Dementia Prevention Study (DPS)

1989+

2000

258

214

55-107

85-94

0-18

0-6.5

6 & 12 mo

1-33 (16.5)

1-13

Community volunteers

Seattle Longitudinal Study (SLS)

1956

5000+

Cumul

22-70

42

7

7

Health Maintenance Organization; sequential design

Swedish Adoption Twin Study of Aging (SATSA)

1984

1500

40-84

6

3

3

Swedish Twin Registry

Swiss Interdisciplinary Longitudinal Study on the

Oldest-Old" (SWILSO-O)

1994

1999

340

377

80-85

10

5

12 or 18 months

9

5

Stratified (age/sex), initially community-dwelling in a urban and a rural setting;   sequential design

University of North Carolina Alumni Heart Study (UNCAHS)

(1964)

  1986

1992

(7007)

4989

1154

(17-25)

40-48

 

(40)

20

14

1.5

-

12

7

- Students – data on file

- Joined study

- spouses

Victoria Longitudinal Study (VLS)

1986

1993

2002

484

530

570

55-85

55-85

55-85

15

9

0

3

3

--

6

4

1

Community volunteers;   sequential design

Wisconsin Longitudinal Study (WLS)

1957

10,317

18

48

7-17

5

Random sample high school graduates