Distance to nearest fixed-site SSP | Crude PR (95% CI) | Adjusted PRa (95% CI) |
---|---|---|
≤ 1 mile | reference | reference |
1–3 miles | 1.04 (0.94–1.16) | 1.12 (0.94–1.33) |
3–10 miles | 1.15 (1.03–1.29) | 1.25 (1.06–1.46) |
> 10 miles | 1.10 (0.88–1.38) | 1.19 (1.01–1.40) |