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US women's attitudes to false positive mammography results and detection of ductal carcinoma in situ: cross sectional survey

BMJ, 2000-06, Vol.320 (7250), p.1635-1640 [Peer Reviewed Journal]

2000 BMJ Publishing Group Ltd. ;Copyright 2000 BMJ ;Copyright: 2000 (c) 2000 BMJ Publishing Group Ltd. ;Copyright © 2000, British Medical Journal 2000 ;ISSN: 0959-8138 ;ISSN: 0959-8146 ;EISSN: 1468-5833 ;EISSN: 1756-1833 ;DOI: 10.1136/bmj.320.7250.1635 ;PMID: 10856064 ;CODEN: BMJOAE

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  • Title:
    US women's attitudes to false positive mammography results and detection of ductal carcinoma in situ: cross sectional survey
  • Author: Schwartz, Lisa M ; Woloshin, Steven ; Sox, Harold C ; Fischhoff, Baruch ; Welch, H Gilbert
  • Subjects: Adult ; Aged ; Attitude ; Attitudes ; Breast cancer ; Breast Neoplasms - diagnosis ; Breast Neoplasms - psychology ; Cancer screening ; Carcinoma, Intraductal, Noninfiltrating - diagnosis ; Carcinoma, Intraductal, Noninfiltrating - psychology ; Cross-Sectional Studies ; Death ; Educational Status ; Ethnicity ; False positive errors ; False Positive Reactions ; Female ; Humans ; Internships ; Mammography ; Middle Aged ; Noninfiltrating intraductal carcinoma ; Questionnaires ; Screening tests ; Social Class ; Women ; Womens health
  • Is Part Of: BMJ, 2000-06, Vol.320 (7250), p.1635-1640
  • Description: Abstract Objective: To determine women's attitudes to and knowledge of both false positive mammography results and the detection of ductal carcinoma in situ after screening mammograph. Design: Cross sectional survey. Setting: United States. Participants: 479 women aged 18–97 years who did not report a history of breast cancer. Main outcome measures: Attitudes to and knowledge of false positive results and the detection of ductal carcinoma in situ after screening mammography. Results: Women were aware that false positive results do occur. Their median estimate of the false positive rate for 10 years of annual screening was 20% (25th percentile estimate, 10%; 75th percentile estimate, 45%). The women were highly tolerant of false positives: 63% thought that 500 or more false positives per life saved was reasonable and 37% would tolerate 10 000 or more. Women who had had a false positive result (n=76) expressed the same high tolerance: 39% would tolerate 10 000 or more false positives. 62% of women did not want to take false positive results into account when deciding about screening. Only 8% of women thought that mammography could harm a woman without breast cancer, and 94% doubted the possibility of non-progressive breast cancers. Few had heard about ductal carcinoma in situ, a cancer that may not progress, but when informed, 60% of women wanted to take into account the possibility of it being detected when deciding about screening. Conclusions: Women are aware of false positives and seem to view them as an acceptable consequence of screening mammography. In contrast, most women are unaware that screening can detect cancers that may never progress but feel that such information would be relevant. Education should perhaps focus less on false positives and more on the less familiar outcome of detection of ductal carcinoma in situ.
  • Publisher: England: British Medical Journal Publishing Group
  • Language: English
  • Identifier: ISSN: 0959-8138
    ISSN: 0959-8146
    EISSN: 1468-5833
    EISSN: 1756-1833
    DOI: 10.1136/bmj.320.7250.1635
    PMID: 10856064
    CODEN: BMJOAE
  • Source: MEDLINE
    Alma/SFX Local Collection
    ProQuest Central
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