Table 4.

Results of linear regression analyses for letter search speed at age 60–64 (n = 1093).

	Model 1		Model 2
	β (SE)	p-Value	β (SE)	p-Value
Evening cortisol	−0.063 (0.030)	.04	−0.058 (0.030)	.05
Sex	0.136 (0.060)	.02	0.185 (0.060)	.002
Age at testing	−0.004 (0.003)	.27	−0.002 (0.003)	.48
Adult SEP			−0.027 (0.028)	.33
Life course smoking			−0.000 (0.000)	.83
Adult BMI			−0.004 (0.020)	.83
Current affective status			−0.002 (0.004)	.55
Childhood cognition			0.131 (0.044)	.003
Educational attainment			0.054 (0.029)	.06

Model 1: adjusted for sex and age at testing; Model 2: fully adjusted for sex, age at testing, adult SEP, life-course smoking status, affective status, BMI, childhood cognition and educational attainment.