|
Crude and adjusted odds ratios (OR) and for premature birth by pollution exposure |
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| Exposure |
Crude odds ratio |
Adjusted* odds ratio |
|
|
||
| OR (95%CI) |
OR (95%CI) |
|
|
|
||
| Formaldehyde Categorical variable (tertiles) |
||
|
|
||
| 1 (reference) |
||
| 2 |
0.98 (0.68–1.40) |
1.11 (0.72–1.71) |
| 3 |
1.16 (0.82–1.63) |
1.37 (0.91–2.05) |
|
|
||
| Continuous variable (per 5 μg/m3 increase in concentration) |
||
|
|
||
| 1.03 (0.76–1.40) |
1.07 (0.77–1.49) |
|
|
|
||
| Nitrogen dioxide Categorical variable (tertiles) |
||
|
|
||
| 1 (reference) |
||
| 2 |
1.01 (0.70–1.46) |
1.14 (0.77–1.68) |
| 3 |
1.40 (0.99–1.98) |
1.68 (1.15–2.46) |
|
|
||
| Continuous variable (per 10 μg/m3 increase in concentration) |
||
|
|
||
| 1.16 (1.01–1.34) |
1.25 (1.07–1.46) |
|
|
* Adjusted for parity, maternal age (≤ 19, 20–29, 30–34, ≥ 35), marital status, education, season of birth, maternal and paternal smoking | ||
Maroziene and Grazuleviciene Environmental Health: A Global Access Science Source 2002 1:6 doi:10.1186/1476-069X-1-6 |
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