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Table 4 Results of multiple linear regression analyses for the associations between protein intake categories and cognition according to APOE4 status

From: Protein intake and episodic memory: the moderating role of the apolipoprotein E ε4 status

 

Total score

Episodic memory score

Non-memory score

\(\:\varvec{\beta\:}\)

p

\(\:\varvec{\beta\:}\)

p

\(\:\varvec{\beta\:}\)

p

APOE4-positive

Model 1a

 High

0.523

0.001

0.547

< 0.001

0.352

0.059

 Medium

0.155

0.230

0.123

0.318

0.172

0.281

 Low

-

 

-

 

-

 

Model 2b

 High

0.415

0.011

0.463

0.009

0.180

0.272

 Medium

0.007

0.958

0.022

0.886

-0.027

0.855

 Low

-

 

-

 

-

 

APOE4-negative

Model 1a

 High

0.137

0.029

0.073

0.166

0.022

0.780

 Medium

-0.017

0.774

-0.071

0.158

-0.025

0.735

 Low

-

 

-

 

-

 

Model 2b

 High

0.115

0.064

0.048

0.361

-0.006

0.933

 Medium

-0.016

0.784

-0.073

0.144

-0.028

0.701

 Low

-

 

-

 

-

 
  1. APOE4 apolipoprotein ε4, VRS vascular risk score, GDS geriatric depression scale
  2. By multiple linear regression analysis (low protein intake served as the reference group)
  3. a Adjusted for age, sex, apolipoprotein ε4, education, and clinical diagnosis
  4. b Adjusted for age, sex, apolipoprotein ε4, education, clinical diagnosis, VRS, GDS score, annual income, physical activity, fruit/vegetable, fasting glucose, and HDL- or LDL- cholesterol