Table 2 Regression statistics for linear regression model of birth weight (g).

From: The impact of COVID-19 on pregnancy outcomes in a diverse cohort in England

Predictor

Coefficient

95% confidence interval

p value

Gestation at birth (days)

26.3

25.7 to 26.9

< 0.001

Height at booking (cm)

7.9

6.5 to 9.2

< 0.001

Weight at booking (kg)

4.9

4.3 to 5.4

< 0.001

Parity

26.1

20.0 to 32.1

< 0.001

Female baby

− 111.4

− 128.3 to − 94.4

< 0.001

Ethnicity

White

0.0 (ref)

  

Black

− 88.2

− 114.0 to − 62.4

< 0.001

Asian

− 86.0

− 107.8 to − 64.3

< 0.001

Mixed

− 121.9

− 176.3 to − 67.5

< 0.001

Other

− 15.0

− 48.3 to 18.2

0.38

Not recorded

− 26.6

− 124.2 to 70.9

0.59

COVID-19 attack ratea (%)

First trimester

1.1

− 2.0 to 4.2

0.50

Second trimester

1.9

− 0.7 to 4.4

0.15

Third trimester

2.0

− 0.8 to 4.7

0.16

  1. The COVID-19 attack rate (% of population contracting COVID-19 during a specified time interval) was calculated using modelled transmission data20 and is used here as a proxy for COVID-19 exposure in each trimester.
  2. Significant values are in bold.