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Table 1 Participant characteristics

From: Device-assessed sleep and physical activity in individuals recovering from a hospital admission for COVID-19: a multicentre study

  

Women (n = 253)

Men (n = 462)

Categorical variables

 

Count

Column %

Count

Column%

WHO disease severity class (acute COVID-19 severity)a

Class 3–4

72

28.5%

67

14.5%

Class 5

89

35.2%

166

35.9%

Class 6

38

15.0%

78

16.9%

Class 7–9

54

21.3%

151

32.7%

Recovery cluster

Cluster 4: Mild

38

15.0%

48

10.4%

Cluster 3: Moderate

50

19.8%

58

12.6%

Cluster 2: Severe

31

12.3%

58

12.6%

Cluster 1: Very Severe

66

26.1%

172

37.2%

Missing

68

26.9%

126

27.3%

Comorbidities

No comorbidity

71

28.1%

134

29.0%

1 comorbidity

53

20.9%

92

19.9%

2 + comorbidities

129

51.0%

236

51.1%

Ethnicity

White

175

69.2%

324

70.4%

South Asian

32

12.6%

60

13.0%

Black

28

11.1%

21

4.6%

Other

11

4.3%

32

7.0%

Missing

7

2.8%

23

5.0%

IMD (quintile)b

1 (most deprived)

37

14.7%

98

21.2%

2

59

23.4%

107

23.2%

3

55

21.8%

72

15.6%

4

46

18.3%

95

20.6%

5 (least deprived)

55

21.8%

90

19.5%

Number of days where a 10-min moderate-intensity bout of physical activity was undertaken

0

139

55.8%

199

44.2%

1

48

19.3%

82

18.2%

2

28

11.2%

58

12.9%

3 + 

34

13.7%

111

24.7%

Number of days where a 30-min bout of moderate-intensity physical activity was undertaken

0

191

76.7%

285

63.3%

1

33

13.3%

68

15.1%

2

14

5.6%

45

10.0%

3 + 

11

4.4%

52

11.6%

Participants meeting > 150 min of moderate-to-vigorous intensity physical activity per week

68

26.9%

172

37.2%

Continuous variables

Mean

SD

Mean

SD

Age (Years)

58

14

60

12

BMI (kg/m2)c

32.2

7.9

30.4

6.1

Physical activity volume (mg)

19.3

6.6

19.6

7.2

Time spent in moderate or vigorous intensity physical activity (minutes/day)

14.9

14.8

21.1

22.3

Time spent in light intensity physical activity (minutes/day)

149.8

54.9

138.8

51.4

Time spent inactive (hours/day)

12.1

1.7

12.6

1.7

Intensity of the most active 10 min (mg)

61.0

39.0

73.6

64.0

Intensity of the most active 30 min (mg)

40.4

25.4

49.6

47.8

Total sleep time (hours/day)

7.2

1.1

6.9

1.1

Sleep Efficiency (%)

85.7

5.2

85.0

5.7

Variability in sleep midpoint (SD in minutes)

120.5

89.5

113.4

84.9

Number of valid days

14

2

14

2

Number of valid nights

13

3

13

3

  1. a WHO clinical progression scale: 3–4 = no continuous supplemental oxygen needed, 5 = continuous supplemental oxygen only, 6 = continuous positive airway pressure ventilation (CPAP), bi-level positive airway pressure (BIPAP) or high flow nasal oxygen, 7–9 = invasive mechanical ventilation (IMV) or extra-corporeal membrane oxygenation (ECMO)
  2. b IMD = Index of Multiple Deprivation
  3. c BMI = body mass index