Skip to main content

Advertisement

Table 4 Regression coefficients for association between birth weight and temperature with stratification of mother’s BMI with adjustments (n = 3267)

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

Week Multivariate 1* Multivariate 2**
BMI <18.5 BMI ≥18.5 BMI <18.5 BMI ≥18.5
β P value β P value β P value β P value
8 −4.076 0.347 −0.693 0.802 −6.761 0.192 −3.012 0.388
12 6.357 0.197 5.915 0.090 5.190 0.324 8.878 0.020
17 8.626 0.024 2.501 0.358 7.279 0.053 3.844 0.148
19 5.466 0.127 2.119 0.393 6.971 0.067 4.345 0.101
24 2.414 0.450 −0.904 0.665 9.649 0.078 −0.772 0.835
28 1.344 0.675 −1.755 0.381 7.352 0.173 −5.336 0.115
30 3.224 0.311 −2.228 0.257 8.083 0.072 −4.482 0.111
Before birth
 6 6.484 0.053 −3.556 0.082 7.263 0.041 −5.047 0.024
 4 8.100 0.025 −2.021 0.353 7.916 0.026 −1.380 0.533
 2 8.891 0.022 0.334 0.889 9.270 0.014 1.003 0.675
At birth 7.219 0.075 1.659 0.507 7.455 0.061 2.614 0.291
  1. *Adjusted for gestational week at birth and season at birth
  2. **Adjusted for gestation week at birth, season at birth, sex of newborn, education level, parity, and precipitation