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Table 1 Participant characteristics

From: Seasonal differences in brown adipose tissue density and pulse rate variability in a thermoneutral environment

Variables

Summer

(n = 20)

Winter

(n = 20)

P value

Age, years

21.0 ± 1.2

20.6 ± 0.9

0.19

Female, %

40

40

Height, cm

165.7 ± 9.1

166.0 ± 6.6

0.90

Body weight, kg

68.3 ± 14.6

64.9 ± 13.3

0.45

BMI, kg/m2

24.7 ± 4.0

23.4 ± 3.6

0.28

Body fat, %

26.0 ± 8.5

23.7 ± 6.0

0.33

Fat mass, kg

17.6 ± 9.2

14.2 ± 5.0

0.16

Lean body mass, kg

47.6 ± 7.8

47.2 ± 9.5

0.89

Bone mass, kg

2.9 ± 0.4

2.8 ± 0.5

0.38

SBP, mmHg

118.6 ± 17.6

120.1 ± 10.5

0.74

DBP, mmHg

64.4 ± 14.4

66.4 ± 7.8

0.60

Heart rate, bpm

71.2 ± 12.9

65.1 ± 8.8

0.09

Steps, per day

7060.6 ± 2478.8

7690.1 ± 2027.8

0.39

Energy expenditure, kcal/day

218.5 ± 93.2

193.0 ± 64.2

0.32

Energy intake, kcal/day

1997 ± 718

1787 ± 682

0.35

Protein intake, g/day

63.4 ± 22.7

63.5 ± 25.2

0.99

Fat intake, g/day

58.0 ± 22.5

57.4 ± 19.9

0.93

Carbohydrate intake, g/day

293.7 ± 110.3

239.9 ± 101.6

0.12

  1. Data are reported as means ± standard deviations
  2. BMI body mass index, DBP diastolic blood pressure, SBP systolic blood pressure