Abstract
Objectives/Aims:The social marketing campaign was launched in 2005–2007 to address excess risk of oral cancer in Detroit tri-county area, Michigan. We assessed the extent to which the campaign might have contributed to decreasing risk of oral cancer using the modified interrupted time-series design.Materials and Methods:Oral cancer incidence and mortality data came from Michigan Department of Community Health, and trends of age-adjusted rates during 1990–2009 were compared between intervention and comparison counties via joinpoint regression.Results:Although mortality rates in both areas decreased in parallel manner, incidence rates decreased during and after the campaign only in the intervention counties. A similar trend was observed in the race-specific analysis. Alternative explanations, including population profiles, health-care access and pre-existing trends, were examined, and these characteristics were comparable between two areas in 1990s and 2000s.Conclusions:These results suggested that the campaign was more likely to be associated with the decreasing trend of oral cancer incidence in the intervention counties than alternative explanations. Although oral cancer is a deadly disease, its awareness has been relatively low. This study highlights a potential impact of concerted efforts to improve the oral cancer awareness in the high-risk communities.
Highlights
According to the 1998–2002 Surveillance Epidemiology and End Results data, rate of oral and pharyngeal cancer (‘oral cancer’) incidence among black males living in the Detroit tri-county area (Macomb, Oakland and Wayne) was one of the highest in the United States (25.7 per 100,000 persons).[1]
In 2005–7, the Detroit Oral Cancer Prevention Project, funded by the National Institute of Dental and Craniofacial Research, launched professionally designed multifaceted social marketing campaigns and community outreach programs that primarily targeted black males living in the Detroit tri-county area
The same message was delivered via 1,327 radio ads during 2 popular radio programs and 2 newspaper ads
Summary
According to the 1998–2002 Surveillance Epidemiology and End Results data, rate of oral and pharyngeal cancer (‘oral cancer’) incidence among black males living in the Detroit tri-county area (Macomb, Oakland and Wayne) was one of the highest in the United States (25.7 per 100,000 persons).[1] In 2005–7, the Detroit Oral Cancer Prevention Project, funded by the National Institute of Dental and Craniofacial Research, launched professionally designed multifaceted social marketing campaigns and community outreach programs that primarily targeted black males living in the Detroit tri-county area. 42 billboards, located in the highly visible areas, were used to increase awareness of high risk of oral cancer and promote free screening at a clinic run by the project. A total of 1,020 adults were screened and 78 were referred for further examinations.[2,3] Dentists and physicians in the area reported increased interest in oral cancer screening by their patients.[2]
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