Characteristics of the study population. Flix, Catalonia, Spain
| Men | Women | Total | |
| Age (n (%)): | |||
| 15–44 | 101 (40.6) | 158 (44.0) | 259 (42.6) |
| 45–64 | 85 (34.1) | 125 (34.8) | 210 (34.5) |
| >64 | 63 (25.3) | 76 (21.1) | 139 (22.9) |
| Total | 249 | 359 | 608 |
| Smokers1-150 (n (%)) | 100 (40.2) | 62 (17.3) | 162 (26.6) |
| Drinkers1-151 (n (%)) | 139 (55.8) | 68 (18.9) | 207 (34.0) |
| Loss of weight (n (%)) | 18 (7.3) | 31 (8.7) | 49 (8.1) |
| BMI (kg/m2) (mean (SD)) | 25.7 (3.4) | 24.9 (4.2) | 25.3 (3.9) |
| HCB and PCB levels (ng/ml) by occupational1-152 status: | |||
| Never workers (n (%)) | 83 (33.3) | 338 (94.2) | 421 (69.2) |
| HCB (mean (SD)) | 14.1 (25.5) | 17.5 (14.2) | 16.8 (17.1) |
| PCBs (mean (SD)) | 3.4 (3.7) | 3.2 (3.0) | 3.2 (3.1) |
| Ever workers (n (%)) | 166 (66.7) | 21 (5.8) | 187 (30.8) |
| HCB (mean (SD)) | 89.3 (190.2) | 18.8 (8.3) | 81.4 (180.5) |
| PCBs (mean (SD)) | 7.2 (13.2) | 3.2 (3.0) | 6.7 (12.5) |