4 Waves: 1995-2001
Wave 1: 1995
Wave 2: 1997
Wave 3: 1999
Wave 4: 2001
4.731 individuals
2.304 individual twins from 1.152 twin pairs (451 monozygotic (MZ), 661 dizygotic (DZ), 19 of unknown zygosity and 21 opposite sex);
2.427 single twins
75+ like-sex twin pairs
1997: twin pairs were alive and born between 1920 and 1923 (i.e., at least 73 years old at the beginning of 1997) were added;
1999: twins born 1921 to 1928 (i.e., at least 70 years old at the beginning of 1999) were added;
2001: twins born between 1929 and 1930 (i.e., at least 70 years old at the beginning of 2001) were added
75+ like-sex twin pairs
1997: twin pairs were alive and born between 1920 and 1923 (i.e., at least 73 years old at the beginning of 1997) were added;
1999: twins born 1921 to 1928 (i.e., at least 70 years old at the beginning of 1999) were added;
2001: twins born between 1929 and 1930 (i.e., at least 70 years old at the beginning of 2001) were added
Quantitative, interviews, proxy information
Longitudinal
Cognitive and physical performance tests and collection of DNA
Current status and progress review of elderly’s physical and cognitive functioning
Current status and progress review of elderly’s physical and cognitive functioning
Medicine
Prof. Kaare Christensen, MDSc
kchristensen@health.sdu.dk
https://www.sdu.dk/en/om_sdu/institutter_centre/ist_sundhedstjenesteforsk/forskning/epidemiologi/forskningsprojekter/twin_projects/lsadt
McGue, M., & Christensen, K. (2007). Social activity and healthy aging: a study of aging Danish twins. Twin Res Hum Genet, 10(2), 255-65. doi: 10.1375/twin.10.2.255. PMID: 17564515.