The Influence of Education and Apolipoprotein ε4 on Mortality in Community-Dwelling Elderly Men and Women
Table 1
Baseline characteristics of participants in the New Mexico Aging Process Study.
Characteristics
Apolipoprotein E genotype group
value
APOE 2 carriers ()
APOE 3/3 ()
APOE 4 carriers ()
Age, years
73.8 (6.4)
73.5 (6.5)
72.4 (5.8)
0.261
Sex, %
0.110
Male
45.1
32.1
36.1
Female
54.9
67.9
63.9
Education, %
0.642
High school or less
16.9
17.2
15.5
Some college or trade
36.6
28.3
27.8
College degree or higher
46.9
54.5
56.7
Marital status, %
0.160
Single
30.4
42.9
40.4
Married
69.6
57.1
59.6
Current smoker, %
7.3
3.9
3.2
0.361
Depressive symptoms, %
4.2
4.5
4.1
0.988
Diastolic blood pressure (mmHg)
80.4 (10.2)
79.5 (11.3)
79.5 (10.8)
0.805
Total cholesterol (mmol/l)
5.10 (0.75)
5.47 (0.93)
5.49 (1.04)
0.008
Triglycerides (mmol/l)
1.61 (0.82)
1.62 (0.99)
1.55 (0.86)
0.820
Body mass index (kg/m2)
25.4 (3.49)
25.5 (4.01)
24.7 (3.91)
0.252
Waist to hip ratio
0.92 (0.11)
0.88 (0.1)
0.89 (0.11)
0.062
Bone mineral density
1.10 (0.13)
1.07 (0.12)
1.09 (0.11)
0.145
Mini-Mental State Exam scores
94.6 (4.91)
95.2 (4.28)
94.1 (5.73)
0.107
Medical conditions at follow-up
Diabetes
4.2
3.3
4.1
0.817
Fractures
12.7
13.4
11.3
0.867
Cancers
5.6
12.5
15.5
0.144
Ischemic heart disease
7.0
7.4
10.3
0.626
Cerebrovascular disease
5.6
4.5
9.3
0.190
Deceased at the end of study
9.9
11.0
17.5
0.183
Values are mean (standard deviation) for continuous variables and percentages for categorical variables; values based on the chi-square test for categorical variables and ANOVA for normally distributed continuous variables or the Kruskal–Wallis test for nonnormally distributed continuous variables.
