| |
Data collection without supervision
|
Data collection with supervision
|
|---|
|
Participants with missing OHIP information a
|
Missing items in all participants b
|
Missing items in participants with missing OHIP information c
|
Participants with missing OHIP information a
|
Missing items in all participants b
|
Missing items in participants with missing OHIP information c
|
|---|
|
Variables of interest
|
|
Item location
|
|
First half of the questionnaire
|
13.4
|
2.3
|
17.1
|
5.2
|
0.3
|
5.9
|
|
Second half of the questionnaire
|
8.5
|
2.5
|
29.0
|
5.4
|
0.3
|
6.3
|
|
Age†
|
|
Younger
|
11.3
|
1.0
|
8.7
|
6.8
|
0.2
|
3.1
|
|
Older
|
23.1
|
3.7
|
16.2
|
11.9
|
0.4
|
3.4
|
|
Gender
| | | | | | |
|
Male
|
14.2
|
1.4
|
9.8
|
8.8
|
0.3
|
3.4
|
|
Female
|
19.9
|
3.2
|
15.8
|
9.7
|
0.3
|
3.3
|
|
OHRQoL impairment†
|
|
Less
|
14.9
|
2.6
|
17.6
|
5.6
|
0.2
|
3.7
|
|
More
|
20.4
|
2.1
|
10.4
|
13.2
|
0.5
|
3.4
|
- Refer to the definition listed under data analysis (a) – (c) for column labels:
- aNumber of participants with any missing OHIP items divided by the total number of participants
- bNumber of missing items divided by the total number of items among all participants
- cNumber of missing items divided by the total number of items among participants with any missing OHIP items
- †Median split is applied
