Table 6.

Regression coefficients (ß) for a two-slope multivariate linear regression with spline at retirement, by occupational class

	Immediate word recall		Delayed word recall		Episodic memory
	ßa (95% CI)	P-value	ßa (95% CI)	P-value	ßa (95% CI)	P-value
Professional/managerial occupational classb
Time until retirement	−0.02	0.30	−0.04	0.11	−0.06	0.14
(β2a)	(−0.06, 0.02)		(−0.09, 0.01)		(−0.14, 0.02)
Time since retirement	0.02	0.37	−0.05	0.007	−0.04	0.23
(β2b)	(−0.02, 0.05)		(−0.09, −0.01)		(−0.10, 0.03)
Difference in slope	0.04	0.14	−0.02	0.53	0.02	0.64
(β2b-β2a)	(−0.01, 0.08)		(−0.07, 0.03)		(−0.06, 0.11)
Intermediate occupational class
Time until retirement	0.02	0.43	0.01	0.68	0.03	0.64
(β2a)	(−0.03, 0.08)		(−0.05, 0.08)		(−0.08, 0.13)
Time since retirement	−0.01	0.59	−0.04	0.07	−0.06	0.11
(β2b)	(−0.05, 0.03)		(−0.09, 0.00)		(−0.14, 0.01)
Difference in slope	−0.03	0.27	−0.06	0.07	−0.09	0.10
(β2b−β2a)	(−0.09, 0.03)		(−0.12, 0.01)		(−0.19, 0.02)
Lower occupational classb
Time until retirement	−0.05	0.02	−0.06	0.02	−0.11	0.01
(β2a)	(−0.09, −0.01)		(−0.11, −0.01)		(−0.19, −0.03)
Time since retirement	−0.05	<0.001	−0.07	<0.001	−0.13	<0.001
(β2b)	(−0.08, −0.02)		(−0.11, −0.04)		(−0.19, −0.07)
Difference in slope	0.00	0.84	−0.01	0.57	−0.02	0.67
(β2b−β2a)	(−0.05, 0.04)		(−0.07, 0.04)		(−0.10, 0.07)

^aAdjusted by baseline age, sex, re-test effects, depression, alcohol, education and occupational class.

^bModel did not include jump in intercept (β₀₂).