Table 2 WAIS retest data for 292 participants
From: Midlife perceived stress is associated with cognitive decline across three decades
Young adult IQ Mean (SD) | Midlife IQ Mean (SD) | Difference Mean (SD) | Retest r (95% CI) | Young adult IQ x Difference r | |
|---|---|---|---|---|---|
Verbal IQ | 105.84 (13.47) | 103.41 (12.71) | 2.42 (7.98)*** | 0.82 (0.77;0.85) | −0.39 (− 0.48;-0.29) |
Performance IQ | 105.71 (12.43) | 96.83 (13.74) | 8.87 (9.37)*** | 0.75 (0.69;0.80) | −0.23 (− 0.34;-0.12) |
Full-scale IQ | 106.33 (12.65) | 100.71 (12.64) | 5.63 (7.48)*** | 0.83 (0.79;0.86) | −0.30 (− 0.40;-0.19) |