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Inreach and outreach interventions to improve mammography use.
K R Yabroff1, A O'Malley, P Mangan
1Lombardi Cancer Center and Department of Oncology at Georgetown University Medical Center in Washington, DC, USA.
Summary
Patient-targeted interventions, both inside (inreach) and outside (outreach) primary care, effectively increase mammography use. Behavioral and educational strategies, especially when interactive and theory-based, show significant gains in screening rates.
Area of Science:
- Public Health
- Preventive Medicine
- Health Services Research
Background:
- Mammography screening is crucial for early breast cancer detection.
- Patient-targeted interventions aim to improve adherence to screening guidelines.
- Understanding the effectiveness of different intervention settings is vital for public health strategies.
Purpose of the Study:
- To evaluate the efficacy of patient-targeted interventions in boosting mammography utilization.
- To compare the effectiveness of interventions delivered within (inreach) versus outside (outreach) the primary care setting.
Main Methods:
- A meta-analysis of 66 controlled studies (1980-2001) in the United States was conducted.
- Interventions were categorized by setting, mechanism (behavioral, cognitive, sociologic), control group type, number of strategies, and delivery mode.
- Random effects models were used to calculate summary estimates for intervention effectiveness.
Main Results:
- Both inreach and outreach interventions demonstrated comparable effectiveness in increasing mammography use.
- Behavioral interventions with multiple strategies significantly increased mammography use (14.0% inreach, 18.7% outreach vs. active controls).
- Interactive, theory-based educational strategies and combined behavioral/educational approaches yielded substantial increases, particularly in outreach settings.
Conclusions:
- Inreach and outreach interventions are similarly effective when considering intervention categories.
- The choice of intervention strategy should be guided by target population characteristics, practical feasibility, and cost-effectiveness.