From: Urban–rural disparity in the relationship between ambient air pollution and preterm birth
Model | Type | OR (95% CI) | |||
---|---|---|---|---|---|
Hubei | East | Middle | West | ||
1 | County town | 0.79 (0.70–0.89)* | 0.74 (0.63–0.87)* | 0.76 (0.60–0.95)* | 0.88 (0.66–1.16) |
Suburb | 0.80 (0.73–0.89)* | 0.79 (0.71–0.88)* | 0.86 (0.68–1.08) | 0.97 (0.58–1.62) | |
General town | 0.73 (0.68–0.78)* | 0.72 (0.66–0.78)* | 0.69 (0.61–0.78)* | 0.81 (0.66–0.99)* | |
Countryside | 0.87 (0.79–0.96)* | 0.79 (0.68–0.92)* | 0.75 (0.59–0.94)* | 0.96 (0.78–1.18) | |
3 | County town | 0.82 (0.72–0.93)* | 0.76 (0.64–0.91)* | 0.99 (0.77–1.27) | 0.74 (0.52–1.07) |
Suburb | 0.85 (0.76–0.96)* | 0.88 (0.75–1.03) | 0.80 (0.64–1.01) | 0.99 (0.47–2.10) | |
General town | 0.78 (0.69–0.87)* | 0.82 (0.68–0.99)* | 0.74 (0.59–0.94)* | 0.80 (0.45–1.44) | |
Countryside | 0.91 (0.78–1.05) | 0.91 (0.73–1.13) | 0.77 (0.56–1.06) | 0.97 (0.53–1.78) | |
5 | County town | 0.81 (0.71–0.92)* | 0.82 (0.68–0.99)* | 1.01 (0.78–1.30) | 0.69 (0.47–1.00) |
Suburb | 0.86 (0.76–0.96)* | 0.84 (0.71–0.98)* | 0.82 (0.64–1.04) | 1.15 (0.53–2.48) | |
General town | 0.78 (0.69–0.88)* | 0.79 (0.65–0.96)* | 0.75 (0.59–0.94)* | 0.96 (0.52–1.79) | |
Countryside | 0.91 (0.78–1.06) | 0.87 (0.70–1.09) | 0.77 (0.56–1.06) | 1.14 (0.61–2.13) |