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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