Do Depressive Traits and Hostility Predict Age-Related Decline in General Intelligence?

Table 2

Score distributions on obvious depression and Cook-Medley Hostility Scales at age 50.

MMPI scale	𝑁	Mean	SD	Range
Obvious depression scale^1	673	11.48	5.38	1–34
Men	384	10.21	4.99	1–34
Women	289	13.18	5.42	4–30
Cook-Medley hostility scale^2	673	10.43	4.92	0–25
Men	384	10.97	5.04	1–23
Women	289	9.72	4.67	0–25

¹Women scored significantly higher than men (𝑃 < 0.001).
²Men scored significantly higher than women (𝑃 = 0.001).