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Table 5 Multivariable linear regression models for IL-6 with time, condition and adrenaline as independent factors

From: Caffeine supplementation induces higher IL-6 and IL-10 plasma levels in response to a treadmill exercise test

  Model 1 Model 2
Coefficient p value Coefficient p value
Input variable
 Time    0.385 < 0.001
 Condition     n.s.
 Adrenaline 0.560 < 0.001 0.537 < 0.001
R2 0.314   0.462  
Adjusted R2 0.305   0.447  
F value 34.775 < 0.001 32.147 < 0.001
R2 change 0.314   0.148  
F change 34.775 < 0.001 20.567 < 0.001
  1. β values for significant predictors in each model are provided in the coefficient column
  2. n.s. non-significant effect of this factor in any model
  3. Logarithmic transformation of IL-6 and adrenaline were used