Table 1.
Baseline characteristics of the study population (N = 744).
| Baseline Characteristics | Distribution N (%) |
Median (5th–95th Percentile) |
|---|---|---|
| Lifestyle factors | ||
| Age (years) | 57 (51–64) | |
| BMI (kg/m2) | 25 (20–33) | |
| Abstainers | 28 (3.8) | |
| Alcohol intake (g/day) a | 10 (0.7–46) | |
| Smoking status | ||
| - Never | 315 (42) | |
| - Former | 161 (22) | |
| - Current | 268 (36) | |
| Years of school attendance | ||
| - Low (<8 years) | 276 (37) | |
| - Medium (8–10 years) | 348 (47) | |
| - High (>10 years) | 120 (16) | |
| Area of residence | ||
| - Copenhagen | 530 (71) | |
| - Aarhus | 214 (29) | |
| Dietary groups (g/day unless otherwise stated) | ||
| Fish b | 36 (11–86) | |
| Prawns | 1.7 (0.0–7.2) | |
| Red meat c | 65 (27–131) | |
| Poultry d | 15 (3–53) | |
| Tap water (L/day) e | 2.0 (1.0–3.2) | |
| All vegetables, incl. juices | 167 (49–400) | |
| Cruciferous vegetables | 11 (1.2–40) | |
| Leafy vegetables | 7 (0.7–36) | |
| All fruits, incl. juices | 200 (40–553) | |
| Potatoes | 120 (33–306) | |
| Rice | 10 (2–49) | |
| Cereals | 167 (79–285) | |
| Dairy products f | 304 (50–984) | |
| Occupation g | ||
| Glass industry | 1 (0.1) | |
| Wood industry | 3 (0.4) | |
| Arsenic in drinking-water (µg/L) | 0.57 (0.43–2.11) | |
| Urinary creatinine concentration (g/L) | 0.53 (0.12–1.81) | |
a Among drinkers; b Sum of fresh and processed fish; c Beef, veal, pork, and lamb (including processed meat and offal); d Chicken and turkey; e Sum of tap water, coffee, tea, and fruit syrup diluted with tap water; f Milk, cheese, cream, yogurt, ice cream, and other cultured milk products; g Ever worked in the industry more than 1 year.