From: Acute association between heatwaves and stillbirth in six US states
California (1996–2017) | Florida (1991–2017) | Georgia (1994–2017) | Kansas (1991–2017) | New Jersey (1991–2015) | Oregon (1991–2017) | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Stillbirths n = 51,577 | Controls n = 206,291 | Stillbirths n = 37,009 | Controls n = 144,107 | Stillbirths n = 27,720 | Controls n = 106,550 | Stillbirths n = 4719 | Controls n = 18,843 | Stillbirths n = 15,046 | Controls n = 60,214 | Stillbirths n = 5138 | Controls n = 20,546 | |
Maternal Race/ethnicitya | ||||||||||||
White, NH | 25.9% | 25.9% | 38.8% | 39.5% | 35.3% | 35.3% | 63.8% | 63.9% | 38.4% | 38.4% | ||
Black, NH | 11.6% | 11.6% | 32.7% | 32.0% | 52.6% | 52.2% | 12.7% | 12.6% | 32.1% | 32.0% | ||
Hispanic | 49.6% | 49.6% | 25.5% | 25.6% | 8.2% | 8.5% | 18.8% | 18.8% | 22.3% | 22.3% | ||
Other | 11.6% | 11.6% | 1.7% | 1.7% | 2.6% | 2.7% | 3.8% | 3.8% | 6.4% | 6.4% | ||
Missing | 1.3% | 1.3% | 1.4% | 1.2% | 1.4% | 1.4% | 0.9% | 0.9% | 0.9% | 0.9% | 100.0% | 100.0% |
Maternal Educationb | ||||||||||||
Less than HS | 26.6% | 26.6% | 20.4% | 21.0% | 3.4% | 3.5% | 20.4% | 20.5% | 14.8% | 14.8% | 21.6% | 21.6% |
High school | 29.0% | 29.0% | 33.1% | 33.9% | 13.2% | 13.8% | 31.7% | 31.7% | 34.1% | 34.1% | 31.1% | 31.1% |
Some college | 22.0% | 22.0% | 22.1% | 22.7% | 27.7% | 28.9% | 24.5% | 24.5% | 40.3% | 40.2% | 20.7% | 20.7% |
College degree | 16.9% | 16.9% | 14.5% | 14.8% | 20.3% | 21.2% | 21.1% | 21.1% | 16.7% | 16.7% | ||
Missing | 5.6% | 5.6% | 9.8% | 7.6% | 35.3% | 32.7% | 2.4% | 2.3% | 10.8% | 10.8% | 9.8% | 9.8% |
Maternal Age | ||||||||||||
10–19 years | 10.0% | 10.1% | 12.4% | 12.4% | 13.8% | 14.0% | 12.4% | 12.7% | 8.9% | 9.6% | 11.2% | 11.5% |
20–24 years | 20.9% | 23.5% | 23.3% | 26.7% | 25.8% | 28.1% | 27.7% | 29.2% | 17.5% | 20.1% | 24.3% | 27.2% |
25–29 years | 23.9% | 26.7% | 23.8% | 26.6% | 24.5% | 25.9% | 26.2% | 28.1% | 23.9% | 26.1% | 24.5% | 27.4% |
30–34 years | 23.0% | 23.7% | 20.8% | 21.1% | 20.5% | 19.7% | 18.5% | 20.0% | 26.7% | 27.0% | 21.7% | 21.7% |
35–39 years | 16.1% | 12.8% | 13.3% | 10.6% | 12.0% | 10.0% | 11.7% | 8.3% | 17.6% | 14.0% | 13.9% | 10.0% |
≥ 40 years | 6.2% | 3.2% | 4.3% | 2.7% | 3.5% | 2.4% | 3.5% | 1.6% | 5.3% | 3.1% | 4.5% | 2.3% |
GA of stillbirth | ||||||||||||
Early (< 28 weeks) | 45.9% | 53.4% | 62.2% | 37.7% | 58.4% | 41.6% | ||||||
Late (≥ 28 weeks) | 54.1% | 46.6% | 37.8% | 62.3% | 41.6% | 58.4% |