E. Silverman et al., Women's views on breast cancer risk and screening mammography: A qualitative interview study, MED DECIS M, 21(3), 2001, pp. 231-240
Background. To promote informed decision making about mammography, clinicia
ns are urged to present women with complete, relevant information about bre
ast cancer and screening. Understanding women's current beliefs may help gu
ide such efforts by uncovering misunderstandings, conceptual gaps, and area
s of concern. Objective. The authors sought to learn how women view breast
cancer, their personal risk of breast cancer, and how screening mammography
affects that risk. Methods. Forty-one open-ended semistructured telephone
interviews with women selected from a national database by quota sampling t
o ensure a wide range In demographics of the participants. Results. Almost
all respondents viewed breast cancer as a uniformly progressive disease tha
t begins in a silent curable form (typically found by mammograms) and, unle
ss treated early, invariably grows, spreads, and kills. Some women felt tha
t any abnormality found must be treated, even if it was not malignant. None
had heard of potentially nonprogressive cancers, and when informed, most f
elt that the uncertain prognosis of such lesions reinforced the need to fin
d and treat disease as soon as possible. Women expressed a wide range of vi
ews about their personal risk of breast cancer. Although some saw breast ca
ncer as a central threat to their health, many others cited heart disease,
other cancers, violence, and trauma as greater concerns. Most recognized th
e importance of "uncontrollable" factors for breast cancer such as age, sex
, family history, and genetics. However, other "controllable" factors with
little or no demonstrated link to breast cancer (e.g., smoking, diet, toxic
exposures, "bad attitudes") were given equal or greater prominence, sugges
ting that many women feel considerable personal responsibility for their le
vel of breast cancer risk. Similarly, although women recognized that mammog
raphy was not perfect, almost all believed that failure to have mammograms
put one at risk for premature and preventable death. When asked how mammogr
aphy worked, almost all repeated the message that "early detection saves li
ves," suggesting that advanced cancer (and perhaps most cancer deaths) refl
ected a failure of early detection. The belief in the benefit of early dete
ction was so strong that some women advocated scaring other women into gett
ing mammograms because it is "better to be safe than sorry." Conclusions. W
omen view breast cancer as a uniformly progressive disease rarely curable u
nless caught early. The exaggerated importance many attribute to a variety
of controllable factors in modifying personal risk and the "danger" seen in
failing to have mammograms may lead women diagnosed with breast cancer to
blame themselves.