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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Community Dent Oral Epidemiol. 2012 Oct;40(0 2):39–43. doi: 10.1111/j.1600-0528.2012.00718.x

Table 1.

Summary findings from six studies of subjective oral health and dental care

Place Patients Treatment Number of subjects Follow-up period Dependent variable Change in OHIP-score
MID* Absolute Cohen’s D Place (Publication)
Montreal 53–65 yrs Implant+denture 54 2 months OHIP-49:
245-point scale		 20 34.5 1.1 Montreal. (23)
Montreal 65–75 yr olds Implant+denture 30 2 months OHIP-49:
245-point scale		 20 33.5 1.1 Montreal. (24)
Newcastle mean=64 yrs, sd=9 yrs’ Implant+denture 45 3 months OHIP-49:
196-point scale		 17 54.0 1.1 Newcastle. (25)
Adelaide ≥75 years, edentulous Public sector general dental care 44 6 months OHIP-14:
56-point scale		 5 11.2 0.9 Adelaide. (26)
≥75 years, dentate Public sector general dental care 75 6 months OHIP-14:
56-point scale		 5 3.2 0.4
Toronto 59–88 yrs Public sector general dental care 116 1 month OHIP-14:
56-point scale		 5 n/s 0.3 Toronto. (27)
Tasmania ≥15 years, dentate Dental attendance 175 12 months OHIP-14:
56-point scale		 5 0.7 0.2 Tasmania. (28)
≥15 years, dentate No dental attendance 143 12 months OHIP-14:
56-point scale		 5 0.7 0.2
*

MID = Minimally important difference, adapted for different formats of the Oral Health Impact Profile (OHIP) reported by Allen et al (29) and Locker et al (27).