Psychometric properties of the Child Oral Impacts on Daily Performances (C-OIDP) index: a cross-sectional and an intervention study of adolescents in Bosnia and Herzegovina

Table 6 Distribution of change scores in C-OIDP by global self-rated perceptions of change

Participant’s perception	Number of subjects N (%)	Change score Mean (SD)	p^*
worsened	7(16.7)	-0.59 (7.69)^a	p>0.05
stayed the same	10 (23.8)	8.61 (5.84)^b	p<0.01
improved	25 (59.5)	12.89 (13.37)^b	p<0.001
all subjects	42 (100.0)	9.62 (10.21)^b	p<0.001

^*Statistical evaluation by paired t-test
^aNegative change score for the children who reported worsened oral health
^bPositive change score for the children who reported stayed the same and improved oral health

ISSN: 1472-6831