Tropical Medicine and Health

Table 6 Regression coefficients for association between birth length 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	−0.042	0.062	−0.025	0.080	−0.060	0.027	−0.038	0.033
12	−0.006	0.814	0.001	0.937	−0.002	0.948	0.011	0.565
17	0.011	0.570	0.002	0.892	0.014	0.482	0.002	0.868
19	0.014	0.456	0.001	0.968	0.023	0.253	−0.002	0.903
24	0.011	0.495	−0.002	0.873	0.047	0.096	−0.030	0.116
28	0.015	0.366	0.004	0.713	0.049	0.079	−0.015	0.396
30	0.020	0.228	0.007	0.462	0.037	0.112	0.001	0.960
Before birth
6	0.047	0.008	0.007	0.486	0.054	0.003	−0.003	0.793
4	0.064	0.001	0.022	0.054	0.055	0.003	0.018	0.109
2	0.067	0.001	0.036	0.004	0.059	0.003	0.036	0.004
At birth	0.062	0.003	0.046	<0.001	0.057	0.005	0.050	<0.001

*Adjusted for gestational week and season at birth
**Adjusted for gestation week at birth, season at birth, sex of newborn, education level, parity, and precipitation

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