title: The effect of community-level unemployment on preventive oral health care utilization.
abstract: OBJECTIVE
  To test the hypothesis that high community-level unemployment is associated with reduced use of preventive dental care services by a dentally insured population.
  
  
  METHODS
  The study uses monthly data on population dental visits and unemployment in the Seattle and Spokane areas from 1995 to 2004. Utilization data come from Washington Dental Services. Unemployment data were obtained from the Bureau of Labor Statistics and Washington's Employment Security Department.
  
  
  METHODS
  The study uses a Box-Jenkins Autoregressive Integrated Moving Average (ARIMA) method to measure the association between the variables over time. The approach controls for the effects of autocorrelation, seasonality, and confounding variables.
  
  
  RESULTS
  In the Seattle area, an unexpected 10,000 unit increase in the number of unemployed individuals is associated with a 1.24 percent decrease in preventive visits during the month ( p=.0043). In the Spokane area, a similar increase in unemployment is associated with a 5.95 percent decrease in preventive visits ( p=.0326). The findings persist when the independent variable is the number of initial unemployment insurance claims.
  
  
  CONCLUSIONS
  The analysis suggests that utilization of preventive dental care declines during periods of high community-level unemployment. Community-level unemployment may impede or distract populations from utilizing preventive dental services. The study's findings have implications for insurers, dentists, policy makers, and researchers.
authors.affiliation: The Robert Wood Johnson Foundation, PO Box 2316, Princeton, NJ 08543-2316, USA. bquinn@rwjf.org
authors.forename: Brian C
authors.initials: BC
authors.lastname: Quinn
authors.forename: Ralph A
authors.initials: RA
authors.lastname: Catalano
authors.forename: Eugene
authors.initials: E
authors.lastname: Felber
mesh_terms: D003729:Dental Care / Q000706:statistics & numerical data*; D054624:Health Status Disparities; D006801:Humans; D007347:Insurance, Dental / Q000706:statistics & numerical data; D015233:Models, Statistical; D014478:Unemployment / Q000706:statistics & numerical data*; D014861:Washington
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