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Table 1 Characteristics of the study population

From: Prevalence of internet addiction and anxiety, and factors associated with the high level of anxiety among adolescents in Hanoi, Vietnam during the COVID-19 pandemic

Factor

n (%)

Age (mean/SD)

14.8 (1.7)

  11–13 years old

1176 (22.4%)

  14–17 years old

4068 (77.6%)

Gender

 

  Male

2132 (40.7%)

  Female

3112 (59.3%)

Location

 

  Rural

2765 (52.7%)

  Urban

2479 (47.3%)

Live with

 

  With both parents

4824 (92.0%)

  With single parent

401 (7.6%)

  With no one

19 (0.4%)

Average online time per day

 

  less than 4 h

2204 (42.0%)

  4 to 6 h

439 (8.4%)

  6 to 8 h

1169 (22.3%)

  8 h or more

1432 (27.3%)

Ever experienced your family having difficulty in buying food

1431 (27.3%)

Experience family domestic violence during COVID time

604 (11.5%)

Have at least one of your parents’ unemployment due to COVID

1269 (24.2%)

Internet addiction

  Often lie parents about time to use internet

681 (13.0%)

  Often use smart devices to cope with stress/undesired things

3046 (58.1%)

  Being angry when parent control smart devices

1306 (24.9%)

  Prefer to spend time on smart devices than family/friends

2242 (42.8%)

Can not live with smart devices/internet

2,869 (54.7%)