| Number of Cases | Number of Controls | Crude Odds Ratio (95% CI) | Multivariatea Odds Ratio (95% CI) |
---|---|---|---|---|
All Stillbirths b | ||||
 Any Exposure | 224 | 545 | 1.4 (1.0–1.8) | 1.7 (1.2–2.4) |
 No Exposure | 72 | 238 | 1.0 (---) | 1.0 (---) |
Exposure Categorized in Percentilesc | ||||
  > = 90th | 32 | 55 | 1.9 (1.2–3.2) | 1.9 (1.1–3.2) |
  > 50th - < 90th | 95 | 217 | 1.4 (1.0–2.1) | 1.7 (1.1–2.5) |
  > 0 - 50th | 97 | 273 | 1.2 (0.8–1.7) | 1.5 (1.0–2.3) |
 0 (Referent) | 72 | 238 | 1.0 (---) | 1.0 (---) |
Exposure Categorized by 1980 Action Leveld | ||||
  > 40 μg/L | 25 | 30 | 2.8 (1.5–5.0) | 2.6 (1.4–4.8) |
  > 0 - < =40 μg/L | 199 | 515 | 1.3 (0.9–1.7) | 1.5 (1.1–2.2) |
 0 (Referent) | 72 | 238 | 1.0 (---) | 1.0 (---) |
Stillbirths due to Placental Abruption | ||||
 Any Exposure | 159 | 545 | 1.4 (1.0–2.1) | 1.7 (1.1–2.6) |
 No Exposure | 48 | 238 | 1.0 (---) | 1.0 (---) |
Exposure Categorized in Percentilesc | ||||
  > = 90th | 21 | 55 | 1.9 (1.0–3.4) | 1.9 (1.0–3.5) |
  > 50th - < 90th | 65 | 217 | 1.5 (1.0–2.3) | 1.7 (1.1–2.7) |
  > 0 - 50th | 73 | 273 | 1.3 (0.9–2.0) | 1.6 (1.0–2.6) |
 0 (Referent) | 48 | 238 | 1.0 (---) | 1.0 (---) |
Exposure Categorized by 1980 Action Leveld | ||||
  > 40 μg/L | 16 | 30 | 2.6 (1.3–5.2) | 2.5 (1.3–5.2) |
  > 0 - < =40 μg/L | 143 | 515 | 1.4 (1.0–2.0) | 1.6 (1.1–2.4) |
 0 (Referent) | 48 | 238 | 1.0 (---) | 1.0 (---) |
Stillbirths Due to Placental Insufficiency | ||||
 Any Exposure | 73 | 545 | 1.3 (0.8–2.1) | 1.7 (1.0–3.0) |
 No Exposure | 25 | 238 | 1.0 (---) | 1.0 (---) |
Exposure Categorized in Percentilesc | ||||
  > = 90th | 12 | 55 | 2.1 (1.0–4.4) | 1.9 (0.9–4.2) |
  > 50th - < 90th | 35 | 217 | 1.5 (0.9–2.6) | 1.9 (1.0–3.5) |
  > 0 - 50th | 26 | 273 | 0.9 (0.5–1.6) | 1.4 (0.7–2.9) |
 0 (Referent) | 25 | 238 | 1.0 (---) | 1.0 (---) |
Exposure Categorized by 1980 Action Leveld | ||||
  > 40 μg/L | 10 | 30 | 3.2 (1.4–7.2) | 2.7 (1.2–6.5) |
  > 0 - < =40 μg/L | 63 | 515 | 1.2 (0.7–1.9) | 1.6 (0.9–2.8) |
 0 (Referent) | 25 | 238 | 1.0 (---) | 1.0 (---) |