Oral health-related quality of life and related factors among residents in a disaster area of the Great East Japan Earthquake and giant tsunami

Table 4 Difference in GOHAI score for objectively assessed oral conditions

	No. of subjects	Mean ± SD	p-value
Number of present teeth
Edentulous	352	52.9 ± 8.0	< 0.01
1–19	658	50.2 ± 9.1
20 or more	977	52.9 ± 7.6
Having one or more decayed teeth
No	1,259	52.7 ± 7.8	< 0.01
Yes	728	50.9 ± 9.0
CPI code
No index teeth	447	52.4 ± 8.2	0.01
0–2	818	52.4 ± 7.9
3	517	51.7 ± 8.5
4	205	50.3 ± 8.3
Tooth-mobility grade
No index teeth	447	52.4 ± 8.2	< 0.01
0–1	1,374	52.2 ± 8.3
2 or 3	167	49.3 ± 8.6

ISSN: 1477-7525