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Performance indicators for participation in organized mammography screening.
Katja Kemp Jacobsen1, My von Euler-Chelpin
1Department of Public Health, University of Copenhagen, Øster Farimagsgade 5 opg. B, Postbox 2099, DK-1014 Copenhagen K, Denmark. kkja@sund.ku.dk
Journal of Public Health (Oxford, England)
|January 12, 2012
Summary
Screening program participation rates may be overestimated by standard measures. Cumulative examination rates, reflecting long-term adherence, are often lower than single-round participation, suggesting a need for this metric in mammography screening evaluation.
Area of Science:
- Public Health
- Epidemiology
- Cancer Screening
Background:
- Population acceptance of screening programs is key.
- Participation can be measured cross-sectionally or cumulatively.
- Understanding this relationship informs program performance evaluation.
Purpose of the Study:
- To analyze the relationship between cross-sectional and cumulative participation rates.
- To evaluate mammography screening program performance indicators.
Main Methods:
- Utilized Denmark's Central Population Register (CPR).
- Analyzed data from Copenhagen (1991-2008) and Funen (1993-2008) mammography screening programs.
- Calculated participation and coverage rates per European guidelines; defined long-term adherence as cumulative examination rate.
Main Results:
- Participation rates were 71% (Copenhagen) and 91% (Funen).
- Cumulative examination rates were 21-24% lower than average participation rates across all invitation rounds.
Conclusions:
- Standard cross-sectional participation rates may overestimate program protection.
- Cumulative examination rate is a valuable performance indicator for mammography screening.
- This metric better reflects long-term adherence and population-level impact.
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