| Questionnaire item |
Cluster 1 |
Cluster 2 |
p |
| Prevailing responses to items in groups: |
| I1: Do you play computer games? |
Yes |
Yes |
1.00 |
| I2: Do you play online computer games? |
No |
No |
<0.01 |
| I3: Do you play computer games on Facebook? |
No |
No |
0.82 |
| I6: What do you usually do in your free time when you don’t have to study? |
D – I read |
C – I go out with my friends |
<0.01 |
| I7: Do you take part in any leisure time activities? |
No |
Yes |
<0.01 |
| I27: Do you play educative computer games (e.g. Lingua.Ly, Duolingo, Lightbot, etc.)? |
No |
No |
0.60 |
| I43: Gender |
Male |
Female |
<0.01 |
| I9: Did or do your parents limit the time for playing computer games? |
No |
No |
0.30 |
| I22: I often play computer games at school during lessons (e.g. using a mobile phone). |
No |
No |
0.67 |
| Average values in groups |
| I37: On average, how many hours and minutes per day do you spend on social networks: (minutes) |
135.59 |
152.84 |
0.59 |
| I37: On average, how many hours and minutes per day do you spend communicating using your mobile phone (calls, text, chat): (minutes) |
77.30 |
139.13 |
0.05 |
| I37: On average, how many hours and minutes per day do you spend using the internet (do not include school duties): (minutes) |
179.05 |
129.95 |
0.07 |
| I37: On average, how many hours and minutes per day do you spend using the internet (include only school duties): (minutes) |
89.86 |
103.44 |
0.48 |
| I38: How much time during all lessons on a single day do spend online (using social networks, mobile phone, playing computer games): (minutes) |
78.24 |
68.63 |
0.60 |
| CIAS score |
46.46 |
38.56 |
<0.01 |
| Addiction score |
11.41 |
2.97 |
<0.01 |
| I8: How much of the total time do you spend playing online computer games? (total minutes per day) |
55.41 |
9.41 |
<0.01 |
| I8: How long do you play games each day? (total minutes per day) |
97.57 |
15.71 |
<0.01 |
| Number of respondents in cluster |
37 |
108 |
|
| Percentage of respondents in cluster |
25.52 |
74.48 |
|
