Comparability of study areas in zones A, B, and C and living circumstances (%)
| Zone6-150 | |||
|---|---|---|---|
| A | B | C | |
| Respondents (n) | 1539 | 1464 | 1485 |
| Socioeconomic characteristics: | |||
| Unemployment: | |||
| Men | 30 | 32 | 33 |
| Women | 12 | 15 | 14 |
| No access to a car | 45 | 53 | 51 |
| Population stability, same address for most of life | 57 | 58 | 59 |
| Occupational exposure: | |||
| Worked in dusty industry for most of working life: | |||
| Men | 31 | 28 | 23 |
| Women | 7 | 8 | 7 |
| Smoking history: | |||
| Current smokers: | |||
| Men | 37 | 39 | 35 |
| Women | 35 | 43 | 45 |
| Duration of years smoked (smokers only): | |||
| Men | 28 | 27 | 24 |
| Women | 24 | 24 | 24 |
| Indoor air pollution exposure: | |||
| Gas cooker | 73 | 69 | 74 |
| Gas or coal fire | 42 | 40 | 48 |
| Causes of worry or stress over past year: | |||
| Air pollution | 26 | 10 | 8 |
| Smells outside | 17 | 6 | 4 |
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↵6-150 Zone: A=near; B=intermediate; C=far.









