Access to dental health services in Scotland

Key Points

• The lack of access to NHS dental services has been highlighted recently.

• This study sets out a framework for analysing and interpreting data to assess the extent of access to health care services.

• The results show that almost 80% of adults in Scotland have had access to NHS GDS over a six-year period, a higher rate than conventional estimates suggest.

Abstract

Objectives Recently the issue of access to health services has been brought into sharp focus by clear evidence of rationing — patients queuing for NHS registration — in the NHS General Dental Services (GDS). Conventional estimates suggest that about 50% of adults are registered per annum. This paper demonstrates that these conventional measures of access and utilisation can generate potentially misleading inferences.

Design By analysing individual-level claims data from over 35,000 patients over six years we are able to: identify the underlying patterns of utilisation that generate the aggregate 50% registration rate; provide more detailed estimates of utilisation and access; and suggest possible determinants of the patterns of utilisation we observe.

Setting Primary care health services.

Results In contrast to conventional estimates of access we find that close to 80% of the adult population in Scotland has had access to GDS over a six year period. Moreover, we find that the population is comprised of a relatively large group of patients (30% of the population) who access GDS at least once a year and a substantial group (19% of the adult population) who access services only once in six years. The groups who access services at intermediate frequencies are less numerous.

Conclusions Assessing the effectiveness of the public provision of health care services requires accurate information regarding access to those services. This paper sets out a framework for analysing and interpreting longitudinal data to provide information on the extent of access to health care services.

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