Table 1. Characteristics of subjects in 3 populations of the Finnish Mobile Clinic Health Examination Survey.
| Variables | Populations | ||
| HQ vs DHIa | Repeated HQs | Repeated DHIs | |
| n = 4254 | n = 282 | n = 92 | |
| Age (years) (SD) | 50.3 (9.41) | 48.9 (8.24) | 49.4 (8.38) |
| Males (%) | 51.6 | 54.3 | 54.4 |
| Married (%) | 79.0 | 82.3 | 80.4 |
| Education ≥10 years (%) | 26.2 | 22.4 | 18.5 |
| Community density, urban (%) | 72.2 | 80.1 | 78.3 |
| Coffee consumption (cups/day) (SD) | 5.70 (2.88) | 6.08 (2.70) | 6.12 (3.60) |
| Alcohol consumption (ethanol grams/day) (SD) | 5.30 (10.31) | 4.97 (8.99) | 5.59 (8.40) |
| Body mass index (kg/m2) (SD) | 26.1 (3.91) | 25.9 (3.73) | 25.8 (3.38) |
| Physical activity ≥3 hours/weekb (%) | 10.4 | 13.5 | 12.0 |
| Smoking, current (%) | 25.0 | 28.0 | 29.4 |
| Hypertension, yes (%) | 25.5 | 25.9 | 21.7 |
| Serum cholesterol (mmol/l) (SD) | 7.14 (1.43) | 7.21 (1.41) | 7.02 (1.26) |
aAgreement between the health questionnaire (HQ) and dietary history interview (DHI).
bLeisure-time physical activity (heavy, ≥3 hours/week).