Table 2 Baseline characteristics of study participants.

From: Day-to-day variations in sleep quality affect standing balance in healthy adults

Variable

All (N = 20)

Control group (N = 6)

Case group (N = 14)

p-value

Mean

SD

Mean

SD

Mean

SD

Age (years)

28.8

5.7

29.5

5.7

28.4

5.9

0.711

Mass (kg)

68.7

13.2

64.3

11.3

70.6

13.9

0.339

Height (cm)

170.8

8.3

167.6

6.8

172.1

8.8

0.279

BMI (kg/m2)

23.4

3.4

22.8

3.7

23.7

3.4

0.608

HR (bpm)

63.1

8.7

63.4

8.2

63.0

9.2

0.925

PSQI

5.1

2.4

5.0

1.7

5.1

2.7

0.908

TST (hours)

7.0

1.0

7.2

1.0

7.0

1.1

0.727

  1. Mean and standard deviation for all subjects, subjects without day-to-day variation in sleep quality (Control group) and subjects with variation in day-to-day sleep quality (Case group). P-values from two-tailed paired t-tests are also shown.
  2. SD = Standard deviation.
  3. BMI = Body Mass Index.
  4. HR = Heart Rate at rest.
  5. PSQI = Pittsburgh Sleep Quality Index.
  6. TST = Total sleep time for the past month.
Back to article page