Table 4 Association between COVID-19 related knowledge and Fear about Severe COVID-19

Age group

17–19 years

7293

7439

0.22

1

ref

ref

1

ref

ref

20–22 years

18,713

21,631

< 0.01

0.88

0.84

0.91

0.98

0.94

1.03

23-25 years

9631

12,466

< 0.01

0.78

0.75

0.82

1.00

0.94

1.05

26–28 years

3239

4068

< 0.01

0.81

0.76

0.85

1.11

1.03

1.19

> = 29 years

4926

4757

0.03

1.05

1.003

1.11

1.24

1.16

1.33

Sex

Male

9305

16,145

< 0.01

1

ref

ref

1

Ref

Ref

female

34,216

33,888

< 0.01

1.75

1.70

1.80

1.73

1.67

1.79

X

281

328

< 0.01

1.48

1.26

1.74

1.40

1.16

1.68

Educational level

Bachelor

29,272

31,704

< 0.01

1

ref

ref

1

ref

Ref

Master

9483

12,421

< 0.01

0.82

0.80

0.85

0.90

0.87

0.94

PhD

1690

2202

< 0.01

0.83

0.77

0.88

0.90

0.83

0.98

other

2446

3022

< 0.01

0.87

0.82

0.92

0.94

0.88

1.01

Field of study

Non- health field

33,534

37,908

< 0.01

1

ref

ref

1

Ref

Ref

health

8070

10,908

< 0.01

0.84

0.81

0.87

0.80

0.77

0.84

Underlying medical condition

None

34,459

44,903

< 0.01

1

ref

ref

1

ref

Ref

present

1082

920

< 001

2.38

2.28

2.47

2.50

2.38

2.62

Prefer not to say

8192

4485

< 001

1.53

1.4

1.67

1.71

1.54

1.91

Personal network infection history

Yes

17,631

18,974

< 001

1

ref

ref

1

ref

ref

No

26,085

31,298

< 001

0.89

0.87

0.92

1.04

1.01

1.07

Govt Timely info.

Strongly agree

4186

6235

ref

ref

ref

1

ref

ref

agree

14,341

18,607

< 001

1.08

1.03

1.12

1.12

1.06

1.18

Neither agree nor disagree

9533

9909

< 001

1.24

1.18

1.30

1.24

1.17

1.32

disagree

10,015

10,000

< 001

1.37

1.30

1.43

1.28

1.21

1.36

Strongly agree

4748

4467

< 001

1.42

1.34

1.50

1.33

1.24

1.42

Total knowledge

Good

29,576

36,435

< 0.01

ref

ref

ref

ref

ref

Ref

Poor

12,790

12,472

< 0.01

1.26

1.22

1.30

1.36

1.31

1.40

Variables

Mean

β

SD

P-value

Crude OR

95%CI lower

95%CI upper

Adjusted OR^a

95%CI lower

95%CI upper

Risk perception

4.14

0.15

0.003

< 0.01

1.16

1.15

1.17

1.166

1.15

1.17

Alcohol use change^a

−0.34

0.08

0.009

< 0.01

1.06

1.04

1.08

1.08

1.06

1.10

Smoking increase^a

−0.097

−0.02

0.01

< 0.01

0.95

0.92

0.96

0.97

0.95

0.99

Moderate physical activity increase^a

−0.42

−0.01

0.004

< 0.01

0.96

0.95

0.97

0.98

0.97

0.99

Vigorous physical activity increase^a

−0.144

0.002

0.005

0.55

1.006

0.99

1.01

1.00

0.99

1.01

Sufficient

Financial resources increase^a

−0.379

− 0.11

0.007

< 0.01

0.86

0.85

0.88

0.89

0.88

0.90

Measurement adherence

8.023

0.11

0.004

< 0.01

1.148

1.14

1.15

1.12

1.11

1.13