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Table 3 Descriptive Statistics of knowledge about the COVID-19, perceived severity, perceived controllability, emotional and behavioural reactions, social participation, and precautionary behaviour

From: Chinese public’s knowledge, perceived severity, and perceived controllability of COVID-19 and their associations with emotional and behavioural reactions, social participation, and precautionary behaviour: a national survey

 

Number of Items

Possible range

M

SD

Skewness

1. Knowledge about the COVID-19

11

1–5

3.56

.61

−0.35

2. Perceived severity

5

1–5

4.09

.59

−0.82

3. Perceived controllability

9

1–5

3.25

.72

−0.20

4. Emotional and behavioural reactions

Negative emotion

8

1–5

3.33

.67

−1.11

Positive emotion

3

1–5

3.68

.83

0.12

Sleep problem

4

1–5

2.79

.76

−1.12

Aggression

2

1–5

2.70

.78

−1.25

Substance use

2

1–5

2.61

.80

−1.19

Mobile phone use

1

1–5

3.77

.97

−0.54

5. Social participation

5

0–4

1.75

.77

0.24

6. Precautionary behaviour

19

0–4

3.33

.66

−1.43