Socioeconomic Disparities in Lung Cancer Screening Participation - Summary - MDSpire

Socioeconomic Disparities in Lung Cancer Screening Participation

  • By

  • Sara Delilovic

  • Diego Yacaman Mendez

  • Nina Markholm Nordgren

  • Gunnar Wagenius

  • Anne Richter

  • July 16, 2026

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Objective:

To investigate the association of sociodemographic and socioeconomic factors with participation in a Swedish risk-based lung cancer screening pilot program.

Approach:
  • Pilot Program Design: The pilot program invited women aged 55 to 74 with a smoking history to participate in a questionnaire on smoking habits, aiming to assess feasibility for lung cancer detection.
  • Eligibility Criteria: Inclusion criteria were based on NELSON criteria for LDCT screening, focusing on heavy smokers. Exclusion criteria included long-term cessation and ongoing lung cancer treatment.
  • Data Collection: Data were collected from the Regional Health Control system and Statistics Sweden’s LISA database, including sociodemographic and socioeconomic variables.
  • Outcome Measures: The study examined participation in three stages: questionnaire participation, LDCT eligibility, and LDCT attendance.
Key Findings:
  • Lung cancer incidence and mortality disparities exist, particularly affecting socioeconomically disadvantaged groups.
  • Targeted screening using LDCT has been shown to reduce lung cancer mortality.
  • Socioeconomically disadvantaged populations are less likely to participate in screening programs despite higher risk.
Interpretation:

The study assesses the feasibility of lung cancer screening programs aimed at high-risk populations, particularly those with lower socioeconomic status.

Limitations:
  • The study does not include follow-up reminders for participants.
  • No formal shared decision-making or additional patient education was provided.
Conclusion:

Understanding socioeconomic factors is crucial for improving participation in lung cancer screening.

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