Table 6.

Relationship of Current Smoking and Time of Follow-up to Language Performance in Healthy Elderly Over 5 years of Follow-up Stratified by Age Group.

	Model 1		Model 2
Variable	Estimated ß (SE)	p-value	Estimated ß (SE)	p-value
Persons ≤ 75 years old
Time	-0.2 (0.1)	0.002*	-0.2 (0.1)	0.001*
Current Smoking	0.7 (0.4)	0.1	0.6 (0.4)	0.2
Time*current smoking	-0.1 (0.1)	0.4	-0.1 (0.1)	0.5
Persons > 75 years old
Time	-0.3 (0.1)	0.003*	-0.3 (0.1)	0.004*
Current Smoking	-0.5 (0.6)	0.5	-0.7 (0.7)	0.3
Time*current smoking	-0.1 (0.2)	0.5	-0.1 (0.2)	0.5

Model 1 is adjusted for age and gender, Model 2 is adjusted for age, gender, education, ethnic group and APOEε4, hypertension, heart disease and diabetes

^*significant at a 0.05 level