Table 6. Comparison of OLS results for the atopic dermatitis model between Gangnam and Gangbuk regions in Seoul.
| Gangnam region (N=84) | Gangbuk region (N=223) | |
|---|---|---|
| PM10 interpolated at the sub-district level | N.S. | 0.149† |
| Temperature (annual average) | N.S. | -0.133† |
| Wind speed (annual average) | N.S. | N.S. |
| Precipitation (annual average) | N.S. | N.S. |
| Log of average land value (KRW/m3) | N.S. | -0.125† |
| % households relying on welfare subsidy | -0.034† | -0.027† |
| % household heads with college education | N.S. | -0.009† |
| Apartment rate (%) | N.S. | 0.003† |
| Population density (person/m2) | -3.404† | N.S. |
| Log of number of clinics and hospitals within sub-district | N.S. | N.S. |
| Constant | N.S. | 2.002* |
| Adjusted R square | 0.34 | 0.30 |
*P<0.1; †P<0.01.
N.S., Not significant.