Jonathon Timothy Newton

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BACKGROUND The development of reliable, valid measures of psychopathology in people with intellectual disabilities is an important task. However, independent replication studies are rarely reported. AIMS To report data on the psychometric properties of the Psychiatric Assessment Schedule for Adults with Developmental Disabilities (PAS-ADD) Checklist. (More)
The Treatment Evaluation Inventory of Kazdin, French, and Sherick is a 19-item measure of the perceived acceptability of behavioural treatments. Development of two brief forms was based on data from two sources. For Study 1, data from 218 completed questionnaires were used to develop internally consistent brief scales. In Study 2 internal consistency and(More)
OBJECTIVE Physical appearance plays a key role in human social interaction and the smile and teeth are important features in determining the attractiveness of a face. Furthermore, the mouth is thought to be important in social interactions. The purpose of this study was to determine the relationship between tooth colour and social perceptions. METHODS(More)
OBJECTIVE To investigate whether the relationship between dental anxiety and referral for treatment under sedation is explained by attendance patterns and oral health. METHODS Structural Equation Modeling was used on the covariance matrix of the covariates to test hypothesized inter-relationships. Subsequently, we modeled the probability of referral for(More)
BACKGROUND Intensive care unit (ICU) patients have complex oral care needs. Inadequate oral care may predispose ICU patients to nosocomial infections. Recent initiatives have sought to improve the quality and evidence base of ICU oral care provision. OBJECTIVES To describe the current priority given to oral care, the knowledge and practice of oral needs(More)
BACKGROUND The Specialist Mental Health Service for people with an intellectual disability (ID) and psychiatric disorder (referred to throughout this paper as 'the Service') has been in operation in south-east London for the last 18 years, during which time two local, long-stay institutions have closed. AIMS To measure the number of referrals to the(More)
STATEMENT OF PROBLEM Loss of a part of the face or having a congenitally missing ear, nose, or eye is likely to have both a social and a psychologic impact on those affected. The nature and extent of this impact has not been explored previously. The provision of facial prostheses is an increasingly viable and beneficial treatment option, but the psychologic(More)
OBJECTIVES To describe the working practices and level of job satisfaction of male and female dentists. METHODS A nationwide postal survey of all dentists holding an annual practising certificate in New Zealand (response rate 78.1%). RESULTS The mean number of hours worked per week was 29.1 for female and 36.0 for male dentists. The main reason for(More)
BACKGROUND The authors review measures of anxiety and pain used in recent dental studies. In particular, the study identifies the reliability, validity and usefulness of the measures. TYPE OF STUDIES REVIEWED Three computerized databases of published scientific literature were searched over a 10-year period. Only studies that included measures of anxiety(More)
AIM To explore the impact of dental anxiety on daily living. METHOD Twenty people attending a dental sedation clinic completed the Modified Dental Anxiety Scale, and were interviewed privately using a reflexive, in-depth technique. All interviews were audio-tape recorded and transcribed. The transcripts were analysed to identify the impact of dental(More)