Table 2 Items in the supervised questionnaire
Items | Questions | Options |
|---|---|---|
a | How many sets of game competitions at most can you maintain concentration? | 1 set |
2 set | ||
3 set | ||
b | When do you easily feel tired in the day? | Morning |
Afternoon | ||
Evening | ||
Midnight | ||
c | How often do you get tired after prolonged gameplay? | Never |
Occasionally | ||
Frequently | ||
d | How often do you get eyestrain after prolonged gameplay? | Never |
Occasionally | ||
Frequently | ||
e | How often do you feel dizziness (i.e., feel like you have a lack of blood supply to the brain) after prolonged gameplay? | Never |
Occasionally | ||
Frequently | ||
f | How long does it take to have leg numbness in a training or competition? | Never |
About 4 h | ||
About 8 h | ||
g | Will you decide to relax after training? | Never |
Occasionally | ||
Frequently |