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).