| |
Participants
|
Non-participants1
| |
|---|
|
Child
|
N
|
Mean
|
SD
|
N
|
Mean
|
SD
|
p value
|
|---|
|
Age
|
496
|
11.80
|
3.20
|
81
|
11.44
|
2.75
|
.33
|
| |
N
|
%
| |
N
|
%
| | |
|
Gender (boys)
|
227
|
45.8
| |
35
|
43.8
| |
.74
|
|
Parent
2
|
N
|
Mean
|
SD
|
N
|
Mean
|
SD
| |
|
Age
|
479
|
44.35
|
5.73
|
82
|
43.16
|
6.29
|
.09
|
| |
N
|
%
| |
N
|
%
| | |
|
Gender (male)
|
92
|
19.4
| |
31
|
36.5
| |
<.01**
|
|
Ethnicity (Dutch)
|
414
|
85.9
| |
53
|
62.4
| |
<.01**
|
|
Education (high)
|
230
|
48.4
| |
30
|
38.0
| |
<.05*
|
|
Employment
|
349
|
72.9
| |
52
|
62.7
| |
.06
|
-
1Children and parents that refused participation and completed the non-participants form; or children and parents that consented to participation and filled out the socio-demographic questionnaire, but eventually did not complete the PedsQL due to circumstances (e.g. illness, dental visit).2Socio-demographic data of parent that completed the questionnaire. * Sign: p < .05, ** Sign: p < .01.
