Community-Based Intervention Public Health Planning Community-Based Intervention Case Study

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Community-Based Intervention

Public Health Planning

Community-Based Intervention Programs Improve Child Vaccination Rates

Improvements in the rates of childhood vaccinations has, until recently, depended largely on remind/recall strategies employed by provider- and community-based programs (reviewed by Findley, Sanchez, Mejia, Ferreira, Pena, Matos, et al. 2009; Szilagyi, Schaffer, Shone, Barth, Huminston, Sandler et al. 2002). Unfortunately, such programs have failed to erase the racial and economic disparities that leave communities of color more vulnerable to preventable infectious diseases. In an effort to improve the rates of up-to-date child vaccinations in these communities, a group of researchers and clinicians designed and implemented a community program that added tracking and outreach activities to already established programs promoting child vaccination (Northern Manhattan Start Right Coalition; Findley, Irigoyen, Sanchez, Guzman, Mejia, Sajous, et al., 2004). When compared to national averages for all racial groups (74.8%) the improvements were significant, increasing from 65 to 88% for children between the ages of 19 and 35 months during the two-year study period.

Rationale for Further Study

The above study (Findley et al., 2004) suggests focused intervention efforts may have a significant positive effect on vaccination rates for children living in communities of color. What this study failed to show is whether the improved vaccination rates were due specifically to the implemented tracking and outreach efforts, rather than some unknown factors that could have been impacting the community as a whole.

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In order to provide further validation for their results, the same group of researchers identified a within-community control population that would allow them to draw conclusions about the effectiveness of their program (Findley, Irigoyen, Sanchez, Stockwell, Mejia, Guzman, et al., 2008). Such evidence is currently lacking, especially in comparison to the number of studies that have been published showing the effectiveness of provider-based intervention programs.

Experimental Strategy

Findley et al. (2008) used a retrospective, birth cohort design that examined the vaccination status of children between the ages of 19 and 35 months over a period of 4 years. A total of 10857 immunization records from the New York Citywide Immunization Registry were used, which covered 93.9% of the children which had been enrolled in the Start Right program and 87% of the control group.

The vaccination records provided the outcome measures of whether a child was up-to-date in their 4:3:1:3:3 series of vaccinations (4 diptheria-tetanus-persussis [DTaP]; 3 polio; 1 measles-mumps-rubella; 3 haemophilus influenza b; and 3 hepatitis B), and how big of a lag between the scheduled and actual dates of the last DTaP vaccination in the series (Findley et al., 2008).

Results and Conclusion

Children that were enrolled in Start Right were significantly more likely to be covered by Medicaid and be Latino (p < 0.001), but there was no difference in the mean age. Start Right.....

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