Table 1 Environmental and meteorological characteristics of the villages.
Characteristics | N (k)a | AM (SD) | Median (25%,75% percentile) |
|---|---|---|---|
Daily average outside temperature, °C | 88 (29) | 10.7 (5.8) | 11.2 (5.6,16.4) |
Daily average outside humidity, % | 88 (29) | 78 (16.8) | 82.2 (69.9,90.0) |
Population | 29 (29) | 840 (750) | 570 (420,920) |
Seasonb | |||
Autumn | 33 (17) | ||
Spring | 25 (13) | ||
Summer | 2 (1) | ||
Winter | 28 (15) | ||
Proportion of chimney stoves in a village, k (%) | |||
> 50% | 22 (75.9) | ||
≤ 50% | 7 (24.1) | ||
Factory within 5 km, k (%) | |||
Yes | 4 (13.8) | ||
No | 21 (72.4) | ||
Unknown | 4 (13.8) | ||
Coal mine within 5 km, k (%) | |||
Yes | 4 (13.8) | ||
No | 21 (72.4) | ||
Unknown | 4 (13.8) | ||
Power plants within 5 km, k (%) | |||
Yes | 3 (10.3) | ||
No | 22 (75.9) | ||
Unknown | 4 (13.8) | ||
