Table 3  Sensitivity of the measurements results through dispersion frequencies of the data from the two-time blocks

Hours awake

 Midday

5.73

16.88

7.03

18.33

7.12

16.80

6.85

16.60

2.00

16.00

7.63

18.28

 Midnight

5.87

21.32

6.68

16.72

5.33

19.28

6.07

16.55

6.97

17.07

4.58

16.70

Standing duration (h)

 Midday

0

11.86

0

11.04

0

10.70

0

9.49

0

9.18

0

9.19

 Midnight

0

11.55

0

10.77

0

11.15

0

10.54

0

8.41

0

9.80

% time awake standing

 Midday

0.0

82.57

0.0

76.93

0

75.12

0

65.89

0

62.71

0

61.73

 Midnight

0.0

79.64

0.0

74.98

0

78.06

0

73.94

0

54.46

0

65.84

Walking duration (h)

 Midday

0

2.53

0

2.74

0

2.48

0

2.94

0

2.59

0

3.38

 Midnight

0

3.22

0

2.99

0

2.32

0

2.77

0

2.61

0

3.39

% time awake walking 

 Midday

0

25.0

0

21.90

0

18.59

0

24.10

0

21.70

0

29.90

 Midnight

0

27.68

0

24.19

0

17.65

0

20.73

0

23.22

0

30.24

Absolute time upright (h)

 Midday

0

12.45

0

11.54

0

11.19

0

9.92

0

9.67

0

9.68

 Midnight

0

12.12

0

11.29

0

11.60

0

11.00

0

9.23

0

10.31

% time awake upright

 Midday

0

86.49

0

80.42

0

78.50

0

75.24

0

66.06

0

66.89

 Midnight

0

83.59

0

78.59

0

81.22

0

77.20

0

66.88

0

69.30

Number of it to stand transitions

 Midday

2

155

2

118

2

132

2

133

2

93

2

122

 Midnight

1

141

1

130

1

116

1

159

1

102

1

104

Absolute time in hours of SB (h)

 Midday

1.94

15.89

2.81

16.57

3.06

15.31

2.80

15.50

1.96

14.88

3.75

15.85

 Midnight

2.38

15.63

3.08

15.61

2.68

16.97

3.14

15.45

3.69

14.94

4.03

15.60

% time awake in SB

 Midday

13.51

100

19.58

100

21.50

100

24.76

100

33.94

100

33.11

100

 Midnight

16.41

100

21.41

100

18.78

100

22.80

100

33.12

100

30.70

100

Number of SB bouts < 30 min

 Midday

0

154

0

117

0

130

0

131

0

92

0

122

 Midnight

0

141

0

129

0

113

0

159

0

100

0

103

Absolute time spent in bouts < 30 min (h)

 Midday

0

8.34

0

6.24

0

6.59

0

7.32

0

6.70

0

8.20

 Midnight

0

6.53

0

6.44

0

6.52

0

6.83

0

6.26

0

6.68

% time awake in bouts < 30 min (h)

 Midday

0

58.26

0

45.24

0

50.06

0

57.85

0

56.02

0

56.14

 Midnight

0

56.47

0

51.09

0

53.03

0

53.73

0

47.98

0

48.11

Number of SB bouts between 30–60 min

 Midday

0

8

0

9

0

10

0

10

0

10

0

8

 Midnight

0

11

0

7

0

8

0

9

0

11

0

8

Absolute time spent in bouts 30–60 min

 Midday

0

6.07

0

6.33

0

7.03

0

7.02

0

6.88

0

6.31

 Midnight

0

7.18

0

4.89

0

6.07

0

6.32

0

8.05

0

5.70

% time awake in bouts between 30–60 min

 Midday

0

43.33

0

48.33

0

44.90

0

52.55

0

46.19

0

45.58

 Midnight

0

49.12

0

47.45

0

41.03

0

40.99

0

47.15

0

41.99

Number of SB bouts between > 60 min

 Midday

0

6

0

7

0

6

0

6

0

5

0

6

 Midnight

0

7

0

6

0

6

0

7

0

6

0

6

Absolute time spent in bouts > 60 min

 Midday

0

14.23

0

14.0

0

13.87

0

14.17

0

13.23

0

13.46

 Midnight

0

13.47

0

14.1

0

14.12

0

13.36

0

14.55

0

14.04

% time awake in bouts between > 60 min

 Midday

0

100

0

100

0

100

0

100

0

100

0

100

 Midnight

0

100

0

100

0

100

0

100

0

100

0

100

Average duration of SB bouts in minutes

 Midday

2.69

330.0

3.05

420.0

3.55

416.0

2.90

366.0

4.38

360.0

2.57

360.5

 Midnight

2.75

660.0

2.72

699.0

4.18

847.0

2.58

720.0

3.80

719.0

3.33

722.0