Table 3 Prevalence of adolescents with high level of anxiety among sub-groups of the study sample

Age

  11–13 years old

1,656

77.67

476

22.33

1.00

  14–17 years old

2,010

64.59

1,102

35.41

1.49**

[1.28, 1.73]

Sex

  Male

895

76.11

281

23.89

1.00

  Female

2,771

68.12

1,297

31.88

1.91**

[1.68, 2.16]

Location

  Rural

1,959

70.85

806

29.15

1.00

  Urban

1,707

68.86

772

31.14

1.10

[0.98, 1.24]

Live with

  With parents

3,397

70.42

1,427

29.58

1.00

  With single parent

260

64.84

141

35.16

1.29*

[1.04, 1.60]

  With no one

9

47.37

10

52.63

2.65*

[1.07, 6.52]

Online time

  less than 4 h

1,770

80.31

434

19.69

1.00

  4 to 6 h

330

75.17

109

24.83

1.35*

[1.06, 1.71]

  6 to 8 h

760

65.01

409

34.99

2.19**

[1.87, 2.57]

  8 h or more

806

56.28

626

43.72

3.17**

[2.73, 3.67]

Internet addiction

  None

581

80.25

143

19.75

1.00

  One indicator

1,048

77.12

311

22.88

1.21

[0.97, 1.51]

  Two indicators

1,012

70.03

433

29.97

1.74**

[1.40, 2.15]

  Three indicators

663

62.84

392

37.16

2.40**

[1.92, 3.00]

  Four or more indicators

362

54.77

299

45.23

3.36**

[2.64, 4.26]

Ever experienced your family having difficulty in buying food

  No

2,772

72.70

1,041

27.30

1.00

  Yes

894

62.47

537

37.53

1.60**

[1.41, 1.82]

Experience family domestic violence during COVID time

  No

3,412

73.53

1,228

26.47

1.00

  Yes

254

42.05

350

57.95

3.83**

[3.22, 4.56]

Have at least one of your parents unemployment due to COVID

  No

2,828

71.14

1,147

28.86

1.00

  Yes

838

66.04

431

33.96

1.27**

[1.11, 1.45]