Characteristics

Characteristics of IALSA-Affiliated Longitudinal Studies of Aging

Study Title

Start Yr

n

Age

Followup (yrs)

Occ Interval

Curr # Occ

Type Sample

(T1)

(T1)

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

Baltimore Longitudinal Study of Aging (BLSA)

1958

1400+

20+

52

Varies

Varies

Volunteer, snowball

Bonn Longitudinal Study of Aging (BOLSA)

1965

221

62-72

19

Varies

8

Community volunteer sample

Bronx Aging Study (BAS)

1980

488

75-85

15

1

16

Volunteer sample

Caerphilly Cohort Study of Older Men (CCS)

1979

2512

45-59

25

04-May

6

Electoral register plus GP lists, male only

Canadian Study of Health and Aging (CSHA)

1991

10263

65+

10

5

3

Representative (community and institutions)

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 Study (EAS)

1993

1978

70-101

18

1

19

Systematic, representative. Ethnically diverse.

English Longitudinal Study of Ageing (ELSA)*

2002

12100

49+

8

2

5

Representative.

Aging in Women and Men (GENDER)

1995

498

69-81

8

4

3

Opposite sex twins in Sweden born between 1916 and 1925

Gerontologic and Geriatric Population Studies in Gothenburg, Sweden (H-70)

1971

1000

70

29

02-May

12

Representative sample: Gothenberg;  sequential design

Health and Retirement Study (HRS) and AHEAD*

1992

12600

50-60

16

2

9

National sample, minorities oversampled

Healthy Older Person Edinburgh Study (HOPE)

1990

603

70+

4

4

4

Medical registry

Interdisciplinary Longitudinal Study of Adult Development (ILSE)

1993

1390

45, 65

12

4

4

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

12

3

5

Urban and rural municipal registries

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

1982

2050

49-96

14

01-Jun

4

Community volunteer sample;  sequential design

1985

2193

Midlife in the U.S. (MIDUS)*

1995

7000+

25-74

9

9

2

Representative, noninstitutionalized

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

1989+

258

55-107

0-18

6 & 12 mo

1-33 (16.5)

Community volunteers

Dementia Prevention Study (DPS)

2000

214

85-94

0-6.5

Jan-13

Seattle Longitudinal Study (SLS)*

1956

5000+ Cumul

22-70

42

7

7

Health Maintenance Organization; sequential design

Survey of Health, Ageing and Retirement in Europe (SHARE)*

2004

45000

50+

6

2

4

Representative

Swedish Adoption Twin Study of Aging (SATSA)

1984

1500

40-84

12

3

5

Swedish Twin Registry

Swiss Interdisciplinary Longitudinal Study on the Oldest-Old" (SWILSO-O)

1994

340

80-85

10

12 or 18 months

9

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

1999

377

5

5

University of North Carolina Alumni Heart Study (UNCAHS)

(1964)

(7007)

(17-25)

-40

1.5

-

- Students – data on file

1986

4989

40-48

20

12

- Joined study

1992

1154

14

7

- spouses

Victoria Longitudinal Study (VLS)

1986

484

55-85

15

3

6

Community volunteers; sequential design

1993

530

55-85

9

3

4

2002

570

55-85

0

--

1

Wisconsin Longitudinal Study (WLS)*

1957

10,317

18

48

Jul-17

5

Random sample high school graduates

Note. Public use data sets are indicated by *