Mammography facilities are accessible, so why is utilization so low?

Area of Science:

• Public Health
• Sociology
• Health Services Research

Background:

• Mammography screening is crucial for early breast cancer detection.
• Understanding community-level factors influencing screening behavior is vital for targeted interventions.
• Previous research has focused on individual determinants, with less emphasis on socio-ecological context.

Purpose of the Study:

• To investigate novel socio-ecological variables as predictors of mammography utilization.
• To explore the influence of community context on screening behaviors in a large, insured elderly population.

Main Methods:

• A hybrid conceptual model combining health-behavioral and socio-ecological constructs was employed.
• Multilevel probability models analyzed mammography use among 70,129 women using SEER-Medicare data.
• The study focused on a heterogeneous California population with high facility density but low utilization.

Main Results:

• Higher proportions of elderly in poverty were associated with a 33% decrease in mammography use.
• Increased commuter intensity, violent crime, urbanicity, and segregated Hispanic communities showed decreased utilization (-1% to -14%).
• Segregated American Indian communities and areas with more elderly living alone increased use (12-16%). Women with disabilities benefited from high commuter intensity (40% increase).

Conclusions:

• Socio-ecological factors are significant predictors of mammography use in insured elderly populations.
• Community context effects often outweigh individual characteristics in magnitude.
• Understanding these community dynamics is essential for improving cancer control strategies and mammography screening rates.