Table 1. Descriptive statistics UKB and HCHS.
| Metric | Stat* |
|---|---|
| Age (years) | 63.55±7.59 (40087) |
| Sex (% female) | 46.47 (40087) |
| Education (ISCED) | 2.62±0.73 (39944) |
| Metabolic syndrome components | |
| Waist circumference (cm) | 88.47±12.71 (38800) |
| Hip circumference (cm) | 100.90±8.79 (38801) |
| Waist-hip ratio | 0.88±0.09 (38800) |
| Body mass index | 26.47±4.37 (38701) |
| RRsystolic (mmHg) | 138.30±18.57 (31234) |
| RRdiastolic (mmHg) | 78.88±10.09 (31238) |
| Antihypertensive therapy (%) | 6.96 (39976) |
| HDL (mg/dL) | 61.76±23.69 (34468) |
| LDL (mg/dL) | 137.38±36.29 (37456) |
| Cholesterol (mg/dL) | 211.29±56.42 (37531) |
| Triglycerides (mg/dL) | 148.90±83.84 (37510) |
| Lipid lowering therapy (%) | 14.44 (39976) |
| HbA1c (%) | 5.37±0.48 (37284) |
| Blood glucose (mg/dL) | 90.29±17.58 (34432) |
| Antidiabetic therapy (%) | 0.45 (39976) |
| Imaging | |
| Mean cortical thickness (mm) | 2.40±0.09 (40087) |
| Cognitive variables of the UK Biobank | |
| Fluid Intelligence | 6.63±2.06 (36510) |
| Matrix Pattern Completion | 7.99±2.13 (25771) |
| Numeric Memory Test | 6.69±1.52 (26780) |
| Paired Associate Learning | 6.92±2.63 (26048) |
| Prospective Memory | 1.07±0.39 (37192) |
| Reaction Time (sec) | 594.16±109.08 (37015) |
| Symbol Digit Substitution | 18.96±5.25 (25810) |
| Tower Rearranging Test | 9.91±3.23 (25555) |
| Trail Making Test A (sec) | 223.03±86.51 (26048) |
| Trail Making Test B (sec) | 550.01±270.09 (26048) |
| Cognitive variables of the Hamburg City Health Study | |
| Animal Naming Test | 24.78±6.92 (2416) |
| Clock Drawing Test | 6.43±1.12 (2479) |
| Trail Making Test A (sec) | 40.09±14.33 (2290) |
| Trail Making Test B (sec) | 90.05±37.30 (2264) |
| Multiple-Choice Vocabulary Intelligence Test | 31.27±3.58 (2026) |
| Word List Recall | 7.75±1.84 (2342) |
Presented as mean ± SD (N).