Table 2.
Male
|
Female
|
Total
|
||||
---|---|---|---|---|---|---|
MZ | DZ | MZ | DZ | MZ | DZ | |
Depression symptoms | .29 (N = 502) | .14 (N = 537) | .32 (N = 590) | .11 (N = 678) | .31 (N = 1,092) | .12 (N = 1,215) |
Cognitive composite | .52 (N = 486) | .29 (N = 522) | .47 (N = 575) | .29 (N = 645) | .50 (N = 1,061) | .29 (N = 1,167) |
Grip strength | .54 (N = 452) | .30 (N = 454) | .55 (N = 484) | .29 (N = 465) | .55 (N = 936) | .30 (N = 919) |
All twin correlations have been adjusted for the main effects of age, squared age and sex