| |
One
|
Two
|
Three
|
Four
|
Five
|
---|
Earplugs
|
Comfort
|
3
|
4
|
2
|
1
|
0
|
|
Easy to apply
|
1
|
4
|
3
|
1
|
1
|
|
Effectiveness
|
0
|
1
|
3
|
4
|
2
|
Eye masks
|
Comfort
|
0
|
1
|
2
|
5
|
2
|
|
Easy to apply
|
0
|
0
|
1
|
8
|
1
|
|
Effectiveness
|
0
|
1
|
6
|
2
|
1
|
- One: very uncomfortable, very unhelpful, very awkward; Two: uncomfortable, unhelpful, awkward; Three: satisfactory; Four: comfortable, helpful, easy to use; Five: very comfortable, very helpful, very easy to use.