Table 3.
Characteristics of the study population by region of residence.
| Characteristic | Antwerp | Harbor | Fruit | Olen | Gent | Incinerator | Rural | Canal | Total |
|---|---|---|---|---|---|---|---|---|---|
| Subjects (no.) | 50 | 41 | 35 | 39 | 72 | 50 | 76 | 35 | 398 |
| Age (years) | 58.6 ± 0.6 | 57.1 ± 0.7 | 57.0 ± 0.7 | 58.9 ± 0.7 | 58.9 ± 0.6 | 59.0 ± 0.6 | 59.3 ± 0.5 | 60.1 ± 0.6 | 59.2 ± 0.2 |
| Sex [no. (%)] | |||||||||
| Males | 30 (60) | 20 (48.8) | 19 (54) | 17 (44) | 38 (53) | 25 (50) | 42 (55.3) | 16 (46) | 207 (52) |
| Females | 20 (40) | 21 (51.2) | 16 (46) | 22 (56) | 34 (47) | 25 (50) | 34 (44.7) | 19 (54) | 191 (48) |
| Smokers [no. (%)] | |||||||||
| Nonsmokers | 19 (38) | 19 (46.3) | 19 (54.3) | 17 (43.6) | 38 (52.8) | 24 (48) | 43 (56.5) | 17 (48.6) | 196 (49.2) |
| Former | 16 (32) | 11 (26.8) | 12 (34.3) | 14 (35.9) | 23 (31.9) | 15 (30) | 20 (26.3) | 12 (34.3) | 123 (30.9) |
| Current | 15 (30) | 6 (14.6) | 4 (11.4) | 7 (17.9) | 11 (15.3) | 11 (22) | 12 (15.8) | 6 (17.1) | 72 (18.1) |
| Unknown | 0 (0) | 5 (12.2) | 0 (0) | 1 (2.6) | 0 (0) | 0 (0) | 1 (1.3) | 0 (0) | 7 (1.8) |
Fruit, fruit cultivation region. Values shown for age are mean ± SE.