Enrollment period | DPMa | N | OR b | 95Â % CI | ORc | 95Â % CI | ORd | 95Â % CI |
---|---|---|---|---|---|---|---|---|
2001–2003 | Referent (1.39 – 4.81) | 2450 | --- | --- | --- | --- | --- | --- |
Medium (4.82 – 17.69) | 1987498 | 1.31* | 1.07 – 1.61 | 1.15 | 0.92 – 1.42 | 1.13 | 0.91 – 1.41 | |
High (17.70 – 25.32) |  | 1.13 | 0.81 – 1.58 | 1.10 | 0.77 – 1.57 | 1.01 | 0.71 – 1.45 | |
Continuous (per μg/m3) |  | 1.01 | 0.99 – 1.03 | 1.01 | 0.99 – 1.02 | 1.00 | 0.99 – 1.02 | |
2004–2006 | Referent (0.75 – 2.52) | 2874 | --- | --- | --- | --- | --- | --- |
Medium (2.53 – 5.82) | 2735 | 1.29* | 1.04 – 1.61 | 1.03 | 0.85 – 1.25 | 1.05 | 0.86 – 1.29 | |
High (5.83 – 8.77) | 674 | 1.14 | 0.80 – 1.62 | 0.92 | 0.67 – 1.27 | 0.84 | 0.61 – 1.17 | |
Continuous (per μg/m3) |  | 1.03 | 0.98 – 1.10 | 0.99 | 0.94 – 1.04 | 0.98 | 0.93 – 1.03 |