Table 1 Sample descriptive statistics.

From: Fluctuations in behavior and affect in college students measured using deep phenotyping

Metric

Range

M

Med

Between SD

Within SD

Daily actigraphy: available observations per subject

132–249

220

227

24.44

–

Sleep duration (hours)

0.28–16.05

7.28

7.26

0.54

1.54

Sleep timing regularity index

0–1

0.75

0.76

0.05

0.15

Daily survey: available observations per subject

98-255

202

216

47.32

–

Sleep quality

1–5

2.99

2.99

0.34

0.70

Energy

1–5

2.87

2.90

0.29

0.54

Physical activity

1–5

2.28

2.35

0.47

0.83

Time on schoolwork

1–5

2.42

2.38

0.42

1.06

Procrastination

1–5

2.27

2.09

0.68

0.84

Time on social interaction

1–5

3.34

3.36

0.53

0.91

Connected to others

1–5

3.14

3.13

0.47

0.66

Positive affect

1.00-5.00

2.65

2.63

0.49

0.59

   Happy

1–5

2.90

2.86

0.56

0.76

   Excited

1–5

2.55

2.47

0.59

0.81

   Outgoing

1–5

2.56

2.54

0.49

0.79

   Relaxed

1–5

2.58

2.49

0.51

0.85

Negative affect

1.00-4.86

1.82

1.78

0.47

0.46

   Sad

1–5

1.84

1.79

0.57

0.77

   Upset

1–5

1.76

1.58

0.52

0.76

   Anxious

1–5

2.03

1.98

0.54

0.80

   Lonely

1–5

1.78

1.65

0.68

0.68

   Angry

1–5

1.38

1.22

0.39

0.52

   Irritable

1–5

1.68

1.52

0.50

0.66

   Self-dissatisfied

1–5

2.28

2.20

0.72

0.83

Stress

1–5

2.51

2.53

0.63

0.94

Number of daily stressors

0–15

2.75

2.32

1.80

1.65

Academic stress

0, 1

0.67

0.75

0.23

0.40

Social stress

0, 1

0.32

0.28

0.26

0.36

Status stress

0, 1

0.27

0.19

0.27

0.33

Global clinical severity score

25–76

44.68

44.43

9.25

5.21

  1. Range range of scores observed in the study, M between-subjects mean, Med between-subjects median, Between SD between-subjects standard deviation, Within SD mean of within-subject standard deviation. Positive affect and Negative affect are composite scores of the indented items listed below them (see Methods).