Skip to main content

Advertisement

Table 5 Regression coefficients for the association between birth length and temperature at different gestational points (n = 3267)

From: Temperature during pregnancy influences the fetal growth and birth size

Week Univariate Multivariate 1* Multivariate 2** Multivariate 3***
β P value β P value β P value β P value
8 −0.049 <0.001 −0.051 0.001 −0.045 0.002 −0.041 0.005
12 −0.044 <0.001 −0.001 0.937 −0.003 0.842 0.002 0.903
19 −0.032 0.002 0.008 0.513 0.005 0.632 0.003 0.801
24 −0.024 0.022 0.007 0.653 0.004 0.815 −0.010 0.544
28 −0.008 0.454 0.018 0.234 0.015 0.295 0.004 0.804
30 −0.001 0.918 0.020 0.103 0.019 0.113 0.011 0.382
Before birth
 6 0.012 0.209 0.019 0.054 0.019 0.045 0.012 0.200
 4 0.031 0.002 0.032 0.001 0.032 0.001 0.026 0.007
 2 0.044 <0.001 0.046 <0.001 0.042 <0.001 0.042 <0.001
At birth 0.050 <0.001 0.056 <0.001 0.051 <0.001 0.051 <0.001
  1. *Adjusted for gestational week at birth and season at birth
  2. **Adjusted for sex of infant, BMI, mother’s education, parity, season at birth, and gestational week at birth
  3. ***Adjusted for precipitation, sex of infant, BMI, mother’s education, parity, season at birth, and gestational week at birth