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Table 1 Characteristics of the study population

From: Associations of physical activity, fitness, and body composition with heart rate variability–based indicators of stress and recovery on workdays: a cross-sectional study

 

Mean

Range

Age (y)

34

26–40

Weight (kg)

83.5

51.3–123.2

Height (cm)

179.1

156.5–198.0

BMI (kg/[m]2)

26.0

19.8–35.0

Body fat%

24.5

7.6–41.8

VO2maxa (ml/kg/min)

39.6

23.3–72.6

MET indexb

3.5

0.1–27.7

Activity class (0–10)

4.4

0.0–9.5

Working time (h)

8.4

2.8–16.0

Sleeping time (h)

7.7

4.7–10.3

Bergen burnout inventory total scoresc

36

16–74

Firstbeat variables

  

Work stress (%)

72.8

14.5–99.2

Total stress (%)

49.9

12.6–79.1

Stress index

122.3

80.5–193.3

RMSSD (sleep)

56.78

22.6–150.6

Stress balance (−1 to 1)

0.69

−0.43–1.00

Total recovery (%)

29.3

4.6–67.0

Recovery index (24 h)

92.2

74.0–112.2

Recovery index (sleep)

111.4

45.8–246.9

  1. (n = 81).
  2. an = 78 bMET-h/day, based on retrospective PA interview cn = 80.