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Table 4 This table presents the compiled Beta coefficient results of regression analyses for cold exposure metabolic rate, change in metabolic rate, change in RQ, change in supraclavicular and sternal surface temperatures, and the difference between supraclavicular and sternal temperatures during cold exposure. Bolded results indicate significance at p < 0.05. No significant predictors were found for cold exposure metabolic rate, change in metabolic rate, change in RQ, or change in sternal surface temperatures. ∆RQ was found to be a significant predictor for ∆TSC; final model statistics once all variables, but ∆TSC were removed: R2 = 0.304, F = 8.725, p = 0.008, β= − 0.038. Height and fat free mass were found to be significant predictors for SCC–STC; final model statistics once all variables, but height and fat free mass were removed: R2 = 0.527, F = 12.711, p < 0.01, β = 1.516. Though the results are unreported, no association was found between any of the blood biomarkers and MRC, ∆MR, ∆RQ, ∆TSC, ∆TST, or SCC–STC

From: Brown adipose tissue thermogenesis among a small sample of reindeer herders from sub-Arctic Finland

 

MRC(kcal/day)

MR (kcal/day)

RQ

TSC(°C)

TST(°C)

SCC–STC(°C)

Adj. R 2= 0.344; F = 2.377; p = 0.080

Adj. R 2= − 0.139; F = 0.679; p = 0.703

Adj. R 2= − 0.227; F = 0.515; p = 0.825

Adj. R 2= 0.308; F = 2.037; p = 0.125

Adj. R 2= 0.015; F = 1.037; p = 0.466

Adj. R 2= 0.015; F = 1.037; p = 0.466

Sex

− 0.493

− 1.477

0.119

− 1.493

2.824

− 0.466

Height (cm)

− 0.82

0.176

− 0.43

0.954

− 0.122

− 0.533

Mass (kg)

0.034

0.193

− 0.434

− 0.374

0.108

− 1.455

Age (years)

0.064

0.479

− 0.161

0.756

− 0.044

0.107

Body fat percentage

1.152

− 0.346

− 0.492

− 0.962

− 0.072

0.549

Fat free mass (kg)

2.561

0.711

0.667

− 0.718

− 0.04

2.471

Body mass index (kg/m2)

− 1.204

− 0.286

0.244

0.857

− 0.353

0.216

SCC–STC(°C)

− 0.319

− 0.344

− 0.022

RQ (kcal/day)

− 0.632

1.53

0.29

MR

0.119

− 0.351

0.001

− 0.16