Table 5.

Dar es Salaam sample distribution by generic OIDP and CS OIDP scores for dental caries, periodontal disease, and malocclusion

Indicator	Generic OIDP	CS OIDP caries	CS OIDP periodontal disease	CS OIDP malocclusion
Mean	0.6	0.2	0.4	0.1**b
SD	1.2	0.8	0.9	0.4
Min. value	0	0	0	0
Max. value	8	8	6	3
Prevalence of impact (OIDP > 0)
Number of cases	458	207	304	44
Percentage of cases	28.6	12.9	19.0	2.7**a

^aCochran's Q P < 0.001

^bFriedman P < 0.001