Receipt of diagnostic tests for breast cancer: Validity of self-reports among low-income, mostly Latina, indigent women

Cynthia M. Mojica, Roshan Bastani

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Little is known about the validity of self-reported completion of diagnostic testing after an abnormal breast cancer screening test. This study assesses the validity of self-reported diagnostic follow-up among 819 low-income, mostly Latina, indigent women with a breast abnormality at two public hospitals in Los Angeles County. Survey responses on receipt of a mammogram, ultrasound, fine needle aspiration, surgical biopsy, or clinical breast exam for diagnostic evaluation of the breast abnormality were compared to medical record data. The authors calculated concordance, Cohena's k statistic, and sensitivity and specificity. Kappa values indicated slight agreement for mammogram, ultrasound, and clinical breast exam, and moderate agreement for fine needle aspiration and surgical biopsy. Sensitivity of self-reports was high for all tests; specificity was poor for all tests except surgical biopsy. Self-reports of receipt of diagnostic testing for a breast abnormality among low-income, mostly Latina, indigent women are not accurate when compared to medical records.

Original languageEnglish (US)
Pages (from-to)437-451
Number of pages15
JournalEvaluation and the Health Professions
Volume33
Issue number4
DOIs
StatePublished - Dec 2010

Keywords

  • diagnostic follow-up
  • self-reports
  • validation

ASJC Scopus subject areas

  • Health Policy

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