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. 2023 Nov 17;15:1219449. doi: 10.3389/fnagi.2023.1219449

Table 2.

Regression estimates for tested models using Generalized Estimating Equations (GEE).

Predictor Model 1 Model 2 Model 3
B SE p B SE p B SE p
Intercept 1.73** 0.10 < 0.01 −2.36 1.96 0.23 −0.14 1.37 0.92
Time (post-test) 1.86** 0.27 < 0.01 1.86** 0.27 < 0.01 −2.57 2.39 0.28
Sex (female) 0.77* 0.35 0.03 0.78* 0.35 0.03
Age −0.01 0.02 0.58 −0.01 0.02 0.58
Years of education 0.02 0.04 0.58 0.02 0.04 0.58
Intellectual activity 0.10 0.11 0.35 0.19** 0.06 < 0.01
Physical activity −0.16** 0.06 < 0.01 −0.05 0.04 0.24
Social activity −0.03 0.07 0.67 −0.09* 0.04 0.02
Cumulative illness 0.24** 0.08 < 0.01 0.10* 0.04 0.02
Intellectual activity × Time −0.19 0.16 0.24
Physical activity × Time −0.23* 0.10 0.02
Social activity × Time 0.11 0.11 0.30
Cumulative illness × Time 0.28* 0.12 0.02
R2 0.15 0.29 0.34

B, unstandardized regression coefficient; SE, standard error. *p < 0.05, **p < 0.01.