Table 4.

Generalized estimating equations (GEE) analyses evaluating a series of variables that might modify the relation of educational and occupational attainment and memory decline

VariableTimeVariableTime × variable
In each case, the models included the variable of interest, time, and the time × variable interaction. Table values are the β-values for each covariate in the model.
* p < 0.05. All other values were not significant (p > 0.10).
CDR = Clinical Dementia Rating.
Age−1.98−0.13*0.01
Gender0.46*1.110.51
Race−1.26*−1.380.50
Ethnicity−0.82*1.26−0.39
Stroke−0.91*0.17−0.45
Extrapyramidal signs−3.09*−0.12−0.89
APOE−1.27*0.450.43
CDR Scale group−1.01*−3.26*−0.12