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Table 1 Basic information of the original study included in the analysis

From: Relationship between loneliness and internet addiction: a meta-analysis

References

N

r

Male%

Age

Grade

Region

Measurement tool

of IA

Research design

Research year

Alheneidi, H.(2021) [87]

593

0.43

32

adult

university

West Asia

IAT-20

cross-sectional study

after

Andreou, E.(2013) [91]

384

0.16

45.6

adolescent

secondary schools

Europe

IAT-20

cross-sectional study

before

Bakioglu, F.(2020) [92]

325

0.61

42.2

adult

university

West Asia

IAT-12

cross-sectional study

before

Bozoglan, B.(2013) [93]

384

0.605

29.7

adult

university

West Asia

CIAS

cross-sectional study

before

Cao, Q.(2020) [94]

1218

0.241

55.25

adolescent

primary schools

East Asia

YDQ

cross-sectional study

before

Cheung, C.S.(2018) [95]

665

0.191

51.7

adolescent

secondary schools

East Asia

CIAS

cross-sectional study

before

Eldeleklioglu, J.(2013) [96]

206

0.17

44.2

adolescent

secondary schools

West Asia

IAT-20

cross-sectional study

before

Hong, M.(2021) [97]

364

0.44

33.5

adult

university

East Asia

IAT-20

cross-sectional study

before

Karakose, T.(2022) [14]

432

0.149

42.1

adult

secondary schools

West Asia

IAT-12

cross-sectional study

after

Koyuncu, T.(2014) [98]

1157

0.121

55

adolescent

secondary schools

West Asia

IAT-20

cross-sectional study

before

Li, W.(2016) [99]

73

0.544

53.4

adult

university

East Asia

CIAS

longitudinal study

before

Lin, X.(2018) [100]

626

0.34

41.5

adult

university

East Asia

IAT-20

cross-sectional study

before

Mamun, M.A.(2020) [101]

605

0.188

51.6

adult

university

South Asia

IAT-20

cross-sectional study

before

Ozdemir, Y.(2014) [102]

648

0.32

66

adult

university

West Asia

IAT-20

cross-sectional study

before

Oztekin, C.(2020) [103]

203

0.277

0

adult

university

West Asia

IAT-12

longitudinal study

before

Ozturk, A.(2021) [104]

1028

0.525

39.7

adult

university

West Asia

IAT-20

cross-sectional study

before

Peng,C.(2021) [105]

15,232

0.26

51.8

adolescent

secondary schools

East Asia

IAT-20

cross-sectional study

before

Senormanci,O.(2014) [106]

40

0.045

100

adult

university

West Asia

IAT-20

cross-sectional study

before

Shi, X.(2017) [29]

3289

0.221

41.3

adolescent

secondary schools

East Asia

YDQ

cross-sectional study

before

Shi, X.(2023) [107]

3363

0.22

45.6

adolescent

secondary schools

East Asia

YDQ

cross-sectional study

after

Simcharoen, S.(2018) [108]

324

0.292

43.2

adult

university

Southeast Asia

IAT-20

cross-sectional study

before

Tan, K.A.(2019) [109]

207

0.21

30

adult

university

Southeast Asia

YDQ

cross-sectional study

before

Tian, Y.(2020) [110]

1047

0.285

44.85

adolescent

secondary schools

East Asia

CIAS

longitudinal study

before

Turan, N.(2020) [88]

160

−0.154

6.9

adult

university

West Asia

IAT-20

cross-sectional study

before

Wongpakaran, N.(2021) [111]

318

0.319

43

adult

university

Southeast Asia

IAT-20

cross-sectional study

before

Yang, Y.(2022) [112]

241

0.209

51

adult

secondary schools

East Asia

CIAS

cross-sectional study

after

Yang, H.(2022) [35]

446

0.152

48.9

adult

university

East Asia

CIAS

cross-sectional study

after

Yao, M.Z.(2014) [1]

361

0.36

51.7

adult

university

East Asia

IAT-20

cross-sectional study

before

Zeng, W.(2016) [113]

624

0.29

49.7

adolescent

secondary schools

East Asia

IAT-20

cross-sectional study

before

Zhang, S.(2018) [114]

169

0.295

47.9

adolescent

university

East Asia

CIAS

cross-sectional study

before

Zhao, Y.(2022) [115]

783

0.35

50.3

adult

university

East Asia

CIAS

cross-sectional study

after

Zhao, Y.(2022) [116]

108

0.3

63

adolescent

university

East Asia

CIAS

cross-sectional study

after