December 2007

Volume 24, Issue 4

Evaluation of the Parental Perceptions Questionnaire, a component of the COHQoL, for use in the UK.

Authors: P.G. Robinson C. Mitchell M. Stern H. Rodd Z. Marshman


Objective To assess the reliability and validity of the Parental Perceptions Questionnaire (PPQ) for use in the UK and to investigate whether different approaches to the treatment of ‘don’t know’ (DK) responses have any effect on the psychometric properties. Methods The parents of 89 children attending for an examination at a dental teaching hospital and a general dental practice completed the Parental-Caregiver Perceptions Questionnaire (PPQ), global oral health and global impact ratings. Clinical data were also collected. Four approaches were taken to the management of DK responses, one approach involved exclusion of DK responses and three approaches involved adjustment of DK responses (item mean, mean items answered and replacement of DK responses with zero). Results All four approaches demonstrated acceptable internal consistency and test-retest reliability of the total scale. The mean items answered and replacement approaches had optimal internal consistency of the subscales of the PPQ. Assessments of criterion validity in relation to global oral health rating were similar when the DK responses were adjusted, but the exclusion of DK responses had a detrimental effect. Construct validity of PPQ in relation to global impact rating and clinical data was acceptable only when responses were adjusted. Conclusion These data suggest that if DK responses are adjusted, the reliability and validity of this measure are acceptable for use in the UK Key words: Oral health, psychometrics, quality of life

£10 single article

Other articles in this issue

Article Pages Access
Editorial - The STROBE initiative and its implications for dental public health research 194-197 £10 single article
Evaluation of the Parental Perceptions Questionnaire, a component of the COHQoL, for use in the UK. 198-204 £10 single article
Dental care use: does dental insurance truly make a difference in the US? 205-212 £10 single article
Private dental health expenditure in Greece by region and income: comparison between the years 1987 and 1998. 213-216 £10 single article
The prevalence and severity of dental pain in 14-15 year old Brazilian schoolchildren 217-224 £10 single article
Dental caries prevalence among adults in Denmark – the impact of socio-demographic factors and use of oral health services 225-232 £10 single article
The effect of advance telephone prompting in a survey of general dental practitioners in Scotland: A randomised controlled trial 233-237 £10 single article
Dental caries trends among indigenous and non-indigenous Australian children 238-246 £10 single article
Assessment of the reliability and validity of the Dental Neglect Scale in Norwegian adults 247-252 £10 single article
Determinants of ECC in Sardinian preschool children 253-256 £10 single article
The working practices and career satisfaction of dental therapists in New Zealand 257-263 £10 single article
Short Communication - Caries prevalence and location and dental treatment needs in preschoolers in Athens – GENESIS Project 264-267 £10 single article
BASCD Presidential Address - BASCD SPRING SCIENTIFIC MEETING 268-270 £10 single article


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