Table 1 Description of the study control population (n = 1271).
| no. (%) | |
|---|---|
| Gender | |
| Men | 1105 (86.9%) |
| Women | 166 (13.1%) |
| Age (years) | |
| Mean (SD) | 65 (10) |
| Range | 19–88 |
| Centiles 25, 50, 75 | 59, 67, 72 |
| Area | |
| Barcelona | 247 (19.4%) |
| Vallès | 190 (14.9%) |
| Alicante | 84 (6.6%) |
| Tenerife | 226 (17.8%) |
| Asturias | 524 (41.3%) |
| Average residential THM (μg/l) | |
| Mean (SD) | 32.2 (28.1) |
| Range | 0–142.8 |
| Average ingestion THM in the home (μg/day) | |
| Mean (SD) | 23.7 (33.8) |
| Range | 0–243.3 |
| Duration of shower/bath × average residential THM (min/day)*(μg/l) | |
| Mean (SD) | 296.3 (532.4) |
| Range | 0–8062.4 |