Table 1 Main characteristics of the population
From: Socioeconomic status and exposure to disinfection by-products in drinking water in Spain
n | % | ||
|---|---|---|---|
Gender | Male | 1105 | 87% |
Female | 166 | 13% | |
Age; mean (sd) | 65 (10) | ||
Region | Barcelona | 247 | 19% |
Vallès/Bages | 190 | 15% | |
Alicante | 84 | 7% | |
Tenerife | 226 | 18% | |
Asturias | 524 | 41% | |
Smoking status | Never smokers | 367 | 29% |
Occasional smokers | 97 | 8% | |
Former smokers | 510 | 40% | |
Current smokers | 291 | 23% | |
Education | Illiterate | 368 | 30% |
Primary school incomplete | 224 | 18% | |
Primary school complete | 443 | 36% | |
High school/higher education | 212 | 17% | |
Income per person | Low, <300 euros/month | 308 | 32% |
Medium, 300-600 euros/month | 464 | 47% | |
High, >600 euros/month | 176 | 19% | |