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Preterm birth and s...
Preterm birth and stillbirth rates associated with socioeconomic disparities during COVID-19 pandemic: a population-based cross-sectional study
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Aboulatta, L (författare)
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- Kowalec, K (författare)
- Karolinska Institutet
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Leong, C (författare)
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Delaney, JA (författare)
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Falk, J (författare)
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Alessi-Severini, S (författare)
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Chateau, D (författare)
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Tan, QR (författare)
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Kearns, K (författare)
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Raimondi, C (författare)
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Vaccaro, C (författare)
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Lavu, A (författare)
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Haidar, L (författare)
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Peymani, P (författare)
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Eltonsy, S (författare)
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(creator_code:org_t)
- 2023-02-20
- 2023
- Engelska.
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Ingår i: BMJ paediatrics open. - : BMJ. - 2399-9772. ; 7:1
- Relaterad länk:
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http://kipublication...
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https://doi.org/10.1...
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Abstract
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- Conflicting evidence exists on the impact of the COVID-19 pandemic restrictions on preterm birth (PTB) and stillbirth rates. We aimed to evaluate changes in PTB and stillbirth rates before and during the pandemic period and assess the potential effect modification of socioeconomic status (SES).MethodsUsing the linked administrative health databases from Manitoba, Canada, we conducted a cross-sectional study among all pregnant women, comparing 3.5 years pre-pandemic (1 October 2016 to 29 February 2020) to the first year of the pandemic (1 March 2020 to 31 March 2021). We used generalised linear models to assess the quarterly rates of PTB (<37 weeks) and stillbirths. We calculated the predicted trends based on pre-pandemic period data. Finally, we evaluated the PTB and stillbirth rates among lower and higher SES pregnant women (average annual household income) using subgroup analysis and interaction models.ResultsWe examined 70 931 pregnancies in Manitoba during the study period. The risk of PTB increased by 7.7% (95%CI 1.01 to 1.13) and stillbirths by 33% (95% CI 1.08 to 1.64) during the pandemic period. Following COVID-19 restrictions implemented in March 2020, there were increases in the quarterly rates of both PTB (immediate increase (β2)=1.37; p=0.0247) and stillbirths (immediate increase (β2)=0.12; p=0.4434). Among the lower income groups, the pandemic restrictions resulted in an immediate relative increase in PTB and stillbirth rates by 20.12% (immediate increase (β2)=3.17; p=0.0057) and 27.19% (immediate increase (β2)=0.48; p=0.0852). However, over the pandemic, the overall PTB rate significantly decreased as a rebound effect by 0.85% per quarter (p=0.0004), whereas the overall stillbirth rate did not decrease significantly (slope decrease (β3) =−0.01; p=0.8296) compared with the pre-pandemic period. The quarterly rates during the pandemic among the higher income group decreased by 0.39% (p=0.1296) for PTB and increased by 0.07% (p=0.1565) for stillbirth. We observed an effect modification by SES for PTB rates (p=0.047).ConclusionWhile the onset of COVID-19 pandemic restrictions was not associated with significant effects on stillbirth rates, we observed an immediate and rebound effect on PTB rates. The impact of COVID-19 on preterm birth was dependent on SES, with higher influence on families with lower SES. Further studies are needed to detect future trend changes during pandemic waves after 2021 and assess potential underlying mechanisms.
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- Av författaren/redakt...
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Aboulatta, L
-
Kowalec, K
-
Leong, C
-
Delaney, JA
-
Falk, J
-
Alessi-Severini, ...
-
visa fler...
-
Chateau, D
-
Tan, QR
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Kearns, K
-
Raimondi, C
-
Vaccaro, C
-
Lavu, A
-
Haidar, L
-
Peymani, P
-
Eltonsy, S
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visa färre...
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BMJ paediatrics ...
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Karolinska Institutet