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. 2022 Mar 4;13:839922. doi: 10.3389/fimmu.2022.839922

Table 4.

Linear regression for neutralizing antibodies as dependent variable and smoking, age and BMI as covariable.

Variable Parameter Estimate p-value 95% CI
(Intercept) α 68.705 <0.001 (65.47, 71.94)
BMI -25* β1 -0.687 0.02 (-1.24, -0.13)
Current smoking (yes) β2 -5.51 0.06 (-11.32, 0.303)
Age -50* β3 -0.423 <0.001 (-0.665, -0.180)

CI, confidence interval; BMI, body mass index.

R2 = 0.13.

*linear transformation of BMI (minus 25) and Age (minus 50).