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Table 2 Independent associations between each predictor variable and age-adjusted NBV

From: The effect of body mass index on global brain volume in middle-aged adults: a cross sectional study

Regressor

Mean (SD)

Range

β-value

p-value

BMI (kg/m2)

26.0 (4.4)

(19.0–39.7)

-0.22

0.010

Total Cholesterol (mg/dL)

208.0 (37.8)

(114–339)

-0.12

0.178

Systolic BP (mm Hg)

132.4 (17.2)

(102–205)

-0.15

0.092

Diastolic BP (mm Hg)

79.4 (10.4)

(54–110)

-0.09

0.328

Family History AD (y/n)

63/51

 

0.07

0.448

APOE Genotype (ε4/no ε4)

41/73

 

-0.04

0.660

Gender (Male/Female)

43/71

 

0.13

0.137

  1. n = 114. β-values, acquired using individual linear regression analyses with each of the above predictors entered after age, reflect age-adjusted predictions of NBV.