Table 2 Description of participants in Phase 1 who had a 100 kcal/d increase in REE after cooling.

From: Optimizing the methodology for measuring supraclavicular skin temperature using infrared thermography; implications for measuring brown adipose tissue activity in humans

Variables

n

mean ± SD

Age (years)

28

24.0 ± 5.9

BMI (kg/m2)

28

25.2 ± 3.9

Lean body mass (kg)

25

58.6 ± 6.2

Body fat percentage (%)

25

19.6 ± 8.0

Neck fat percentage (%)

25

9.5 ± 5.4

Outdoor temperature in (°C)

  

- indirect calorimetry trial

28

7.6 ± 12.3

−32 °C-cold trial

28

9.6 ± 12.5

- room temp-cold trial

28

11.3 ± 12.4

- room temp-room temp trial

28

11.3 ± 11.9

-average 2 months prior to 32 °C-cold trial

28

4.8 ± 10.6

Baseline REE (kcal/d)

28

1490.7 ± 234.2

Cold induced REE (kcal/d)

28

1719.9 ± 240.7

Change in cold induced REE (kcal/d)

28

229.3 ± 146.6

  1. Note: DEXA scan could not be performed in 3 participants due to weight >116 kg and participant’s busy schedule.