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Table 4 Linear regression analysis for changes in serum leptin, changes in adipose tissue linoleic acid content, and changes in adipose tissue leptin gene expression in relation to changes in selected variables in control and intervention groups

From: Functional changes in adipose tissue in a randomised controlled trial of physical activity

  ∆ Serum leptin ∆ Adipose tissue linoleic acid ∆ Adipose tissue leptin gene expression
  β P β P β P
Control group       
∆ Exercise time -0.09 0.61 -0.17 0.31 0.10 0.64
∆ Weight 0.63 <0.0001 0.12 0.43 -0.01 0.96
∆ BMI 0.66 <0.0001 0.10 0.54 0.00 0.99
∆ Body fat mass 0.63 <0.0001 0.08 0.59 0.00 0.98
∆ HbA1c 0.20 0.20 -0.15 0.33 -0.19 0.34
∆ Linoleic acid 0.14 0.39 -- -- -0.34 0.086
∆ Leptin mRNA -0.03 0.90 -- -- -- --
Intervention group       
∆ Exercise time 0.40 0.07 0.39 0.047 -0.43 0.11
∆ Weight 0.59 0.002 0.00 0.99 0.13 0.62
∆ BMI 0.57 0.003 -0.01 0.94 0.17 0.51
∆ Body fat mass 0.29 0.17 -0.09 0.63 0.06 0.82
∆ HbA1c -0.15 0.46 0.09 0.64 0.01 0.97
∆ Linoleic acid 0.30 0.15 -- -- -0.46 0.06
∆ Leptin mRNA -0.32 0.27 -- -- -- --
  1. The size of the control and intervention groups is: n = 43 and n = 30 for serum leptin and adipose tissue linoleic acid; and n = 30 and n = 21 for adipose tissue leptin gene expression respectively, but the number of individuals analysed varies slightly due to technical reasons.