Table 2 Demographic and clinical features at baseline of the ELSA population included in the study.
Variable | Â | Full dataset (n=11160) | Training set (n=8328) | Test set (n=2832) | p-value |
|---|---|---|---|---|---|
Sex | Male | 5028 (45.1%) | 3730 (44.8%) | 1298 (45.8%) | 0.26 |
Female | 6132 (54.9%) | 4598 (55.2%) | 1534 (54.2%) | ||
Baseline age | 63.15±9.78 | 63.18±9.81 | 63.07±9.68 | 0.67 | |
Education | Less than high-school | 5995 (53.7%) | 4467 (53.6%) | 1528 (54.0%) | 0.15 |
High-school graduate | 1761 (15.8%) | 1341 (16.1%) | 420 (14.8%) | ||
College or more | 3404 (30.5%) | 2520 (30.3%) | 884 (31.2%) | ||
Marital Status | Married or civil partner | 7566 (67.8%) | 5657 (67.9%) | 1909 (67.4%) | 0.58 |
Separated, divorced or widowed | 2922 (26.2%) | 2164 (26.0%) | 758 (26.8%) | ||
Never married | 672 (6.0%) | 507 (6.1%) | 165 (5.8%) | ||
Retirement | Yes | 4887 (43.8%) | 3641 (43.7%) | 1246 (44.0%) | 0.77 |
No | 6273 (56.2%) | 4687 (56.3%) | 1586 (56.0%) | ||
Physical activity | Hardly ever or never | 1545 (13.8%) | 1149 (13.8%) | 396 (14.0%) | 0.61 |
1-3 per month or 1 per week | 2241 (20.1%) | 1688 (20.3%) | 553 (19.5%) | ||
More than 1 per week | 7374 (66.1%) | 5491 (65.9%) | 1883 (66.5%) | ||
Smoking | Never | 4383 (39.3%) | 3251 (39.0%) | 1132 (40.0%) | 0.33 |
Past | 5034 (45.1%) | 3786 (45.5%) | 1248 (44.1%) | ||
Current | 1743 (15.6%) | 1291 (15.5%) | 452 (16.0%) | ||
Drinking | Yes | 9983 (89.5%) | 7467 (89.7%) | 2516 (88.8%) | 0.15 |
No | 1177 (10.5%) | 861 (10.3%) | 316 (11.2%) | ||
Drink count | 2.36±2.43 | 2.35±2.43 | 2.39±2.44 | 0.51 | |
ADL | 0.30±0.80 | 0.30±0.80 | 0.30±0.78 | 0.75 | |
IADL | 0.16±0.55 | 0.16±0.55 | 0.16±0.55 | 0.89 | |
BMI | 28.13±5.08 | 28.14±5.07 | 28.12±5.10 | 0.95 | |
Systolic BP | 133.22±17.95 | 133.16±17.96 | 133.39±17.91 | 0.63 | |
Diastolic BP | 75.27±10.78 | 75.25±10.82 | 75.30±10.67 | 0.88 | |
Fasting glucose | 4.99±0.77 | 4.99±0.77 | 5.00±0.76 | 0.19 | |
HbA1c | 5.42±1.21 | 5.41±1.23 | 5.43±1.17 | 0.32 | |
Cholesterol | 5.79±1.10 | 5.80±1.10 | 5.79±1.10 | 0.44 | |
HDL | 1.54±0.38 | 1.54±0.38 | 1.54±0.38 | 0.70 | |
LDL | 3.45±0.94 | 3.45±0.94 | 3.45±0.94 | 0.88 | |
Triglycerides | 1.72±1.07 | 1.72±1.07 | 1.71±1.06 | 0.27 | |
Fibrinogen | 3.19±0.61 | 3.19±0.61 | 3.20±0.63 | 0.49 | |
CRP | 3.47±6.99 | 3.50±7.05 | 3.39±6.82 | 0.67 | |
Ferritin | 121.38±112.42 | 122.32±117.55 | 118.64±95.74 | 0.32 | |
Diabetes | Yes | 794 (7.1%) | 599 (7.2%) | 195 (6.9%) | 0.53 |
No | 10366 (92.9%) | 7729 (92.8%) | 2637 (93.1%) | ||
Hypertension | Yes | 3982 (35.7%) | 2944 (35.4%) | 1038 (36.7%) | 0.15 |
No | 7178 (64.3%) | 5384 (64.6%) | 1794 (63.3%) | ||
Heart problems | Yes | 1614 (14.5%) | 1216 (14.6%) | 398 (14.1%) | 0.41 |
No | 9546 (85.5%) | 7112 (85.4%) | 2434 (85.9%) | ||
Survival | Yes | 391 (3.5%) | 294 (3.5%) | 97 (3.4%) | 0.82 |
No | 8884 (79.6%) | 6641 (79.7%) | 2243 (79.2%) | ||
NA | 1885 (16.9%) | 1393 (16.7%) | 492 (17.4%) | ||
