Kendler⭐ Flashcards
1
Q
Year
A
2006
2
Q
Aim
A
Determine the role genetics play in Major Depressive Disorder.
3
Q
Sample
A
15493 twin pairs from Swedish Twin Registry (MZ or DZ verified)
4
Q
Procedure
A
Telephone interviews (1998-2003)
- assessed depression
- asked if living together
- asked about adult-life personal events that may make one more susceptible to depression
5
Q
Results and Conclusion
A
Concordance rates for depression:
- higher in women than men
- higher in MZ than DZ
No correlation of number of years living together and depression.
Estimated heritability of depression 0.38 (in line with previous research).
Some genetic risk factors of MDD are sex-specific.
