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. Author manuscript; available in PMC: 2024 Mar 8.
Published in final edited form as: J Alzheimers Dis. 2023;95(4):1417–1425. doi: 10.3233/JAD-230013

Table 1.

Baseline characteristics of the analytical sample (N = 789)

Variables Overall Quintile of Total Sugar Intake
First Q1 Second Q2 Third Q3 Fourth Q4 Fifth Q5 p
N 789 158 158 158 157 158
Total sugar intake, grams/day (median) 102 71 89 102 115 133 n/a
Percent calories from total sugar (median) 24% 17 % 22% 24% 27% 32% <0.0001
Age, y; mean ± SD 79.0 ± 7.1 78.0 ± 7.8 78.8 ± 7.2 78.8 ± 7.1 80.0 ± 6.5 79.3 ± 6.7 0.07
Female, % 76 % 82 % 81 % 72 % 71 % 75 % 0.08
Education, y; mean ± SD 15.0 ± 3.0 14.6 ± 2.8 15.3 ± 3.1 15.2 ± 3.0 15.1 ± 3.1 14.7 ± 3.0 0.16
APOE ε4, % 21% 21% 23% 20% 18% 22% 0.86
MIND diet score; mean ± SD 7.9 ± 1.8 7.4 ± 1.2 7.6 ± 1.6 8.0 ± 1.9 8.0 ± 1.6 8.2 ± 1.9 0.008
Total Calories from other sources/day*; mean ± SD 1,308 ± 408 1,440 ± 537 1,365 ± 416 1,337 ± 359 1,545 ± 443 1,121 ± 292 <0.0001
Physical activity, hours/week; mean ± SD 3.3 ± 3.9 3.3 ± 4.1 2.8 ± 2.7 3.1 ± 3.4 4.3 ± 5.5 3.4 ± 3.3 0.15
Alcohol intake (grams/day); mean ± SD 4.5 ± 8.8 7.8 ± 13.8 5.0 ± 8.4 4.4 ± 7.2 2.8 ± 5.6 2.5 ± 4.6 0.002
Diabetes, % 12% 14% 16% 11% 10% 11% 0.87
*

Total calories from sources other than total sugar.

(ANOVA or Kruskal-Wallis chi-square test).