Women's Perceptions of Breast Cancer Risk: Are They Accurate?

Background: The objective was to compare women's personal estimates of their risk with objective breast cancer risk estimates and to describe the risk factors for breast cancer identified by women. Methods: Telephone survey of a random sample of 761 rural and urban women with no history of brea...

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Veröffentlicht in:Canadian journal of public health 2003-11, Vol.94 (6), p.422-426
Hauptverfasser: Buxton, Jane A., Bottorff, Joan L., Balneaves, Lynda G., Richardson, Chris, McCullum, Mary, Ratner, Pamela A., Hack, Tom
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container_end_page 426
container_issue 6
container_start_page 422
container_title Canadian journal of public health
container_volume 94
creator Buxton, Jane A.
Bottorff, Joan L.
Balneaves, Lynda G.
Richardson, Chris
McCullum, Mary
Ratner, Pamela A.
Hack, Tom
description Background: The objective was to compare women's personal estimates of their risk with objective breast cancer risk estimates and to describe the risk factors for breast cancer identified by women. Methods: Telephone survey of a random sample of 761 rural and urban women with no history of breast cancer. Survey instrument included measures of perceptions of lifetime risk for breast cancer for themselves and for the average woman, perceptions of risk factors that influenced their risk and the average woman's risk for breast cancer. Objective estimates of breast cancer risk were calculated using the Gail et al. algorithm. Descriptive statistics and multiple linear regression were used to analyze the data. Results: Women's estimates of their own lifetime risk for breast cancer were significantly higher than their Gail model risk estimates (mean difference=19%, p
doi_str_mv 10.1007/BF03405078
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Methods: Telephone survey of a random sample of 761 rural and urban women with no history of breast cancer. Survey instrument included measures of perceptions of lifetime risk for breast cancer for themselves and for the average woman, perceptions of risk factors that influenced their risk and the average woman's risk for breast cancer. Objective estimates of breast cancer risk were calculated using the Gail et al. algorithm. Descriptive statistics and multiple linear regression were used to analyze the data. Results: Women's estimates of their own lifetime risk for breast cancer were significantly higher than their Gail model risk estimates (mean difference=19%, p&lt;0.001). The women's personal breast cancer risk estimates were lower than estimates of risk for a hypothetical average woman (mean difference=-8%, p&lt;0.001). Fifty percent of the sample reported a perceived risk estimate at least 15% above their Gail risk estimate. The risk factors for breast cancer most frequently identified included family history, nutrition/diet, smoking, lifestyle, environment, stress and age. Although the risk factors used to calculate the Gail model risk estimates were reported by some study participants, these women consistently identified only family history as their personal risk factor. Conclusion: Women have difficulty accurately estimating their breast cancer risk and identifying known risk factors for breast cancer. Individual risk information may be more useful in enhancing accurate risk perceptions than the "1 in 9" message. Objectif : Le but de cette étude était de comparer l'opinion des femmes sur leur risque personnel et le risque objectif de cancer du sein et de décrire les facteurs associés au cancer du sein signalés par les femmes. Méthodes : Sondage téléphonique avec un échantillon aléatoire composé de 761 femmes de milieux urbains et ruraux, sans antécédents familiaux de cancer du sein. Le sondage comportait des instruments de mesure des perceptions du risque individuel et collectif à long terme, ainsi que des perceptions des facteurs associés au risque. Les estimations objectives du risque de cancer du sein ont été calculées par l'algorithme de Gail et al. Les données ont été analysées au moyen de statistiques descriptives et par régression linéaire multiple. Résultats : Les estimations des femmes quant à leur propre risque de cancer du sein étaient considérablement plus élevées que le risque estimé par le modèle de Gail (différence moyenne = 19 %, p&lt;0,001 ). Les estimations des femmes quant à leur risque personnel à long terme étaient inférieures à leurs estimations du risque collectif (différence moyenne = -8 %, p&lt;0,001). Pour la moitié de l'échantillon, l'estimation du risque était de 15 % supérieure à celle obtenue par le modèle de Gail. Les facteurs les plus fréquemment associés étaient les antécédents familiaux, l'alimentation, le tabac, le mode de vie, l'environnement, le stress et l'âge. Bien que certaines répondantes aient signalé les facteurs de risque utilisés dans le calcul du modèle de Gail, ces femmes ont uniformément cité les antécédents familiaux comme seul facteur de risque personnel. Conclusion : On constate que les femmes estiment difficilement leur risque de cancer du sein, ainsi que les facteurs associés. Plus que le message « une sur neuf », le fait de présenter des informations individuelles sur le risque pourrait peut-être créer une perception plus juste du risque.</description><identifier>ISSN: 0008-4263</identifier><identifier>EISSN: 1920-7476</identifier><identifier>DOI: 10.1007/BF03405078</identifier><identifier>PMID: 14700240</identifier><identifier>CODEN: CJPEA4</identifier><language>eng</language><publisher>Ottawa, ON: Canadian Public Health Association</publisher><subject>Adult ; Age ; Aged ; Attitude to Health ; Biological and medical sciences ; Breast cancer ; Breast Neoplasms - genetics ; Breast Neoplasms - psychology ; British Columbia ; Cancer screening ; Data Collection ; Disease risk ; Family history ; Female ; Gynecology. Andrology. Obstetrics ; Health care ; Health risk assessment ; Humans ; Mammary gland diseases ; Medical research ; Medical sciences ; Middle Aged ; Predisposing factors ; Public health. Hygiene-occupational medicine ; Risk Factors ; Rural Population ; Self examination ; Tumors ; Urban Population ; Women ; Womens health</subject><ispartof>Canadian journal of public health, 2003-11, Vol.94 (6), p.422-426</ispartof><rights>2004 INIST-CNRS</rights><rights>Copyright Canadian Public Health Association Nov/Dec 2003</rights><rights>The Canadian Public Health Association 2003</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c453t-14127953de1fee66a8725bb64fb89dca157b31069aad39485c47199791f09a513</citedby><cites>FETCH-LOGICAL-c453t-14127953de1fee66a8725bb64fb89dca157b31069aad39485c47199791f09a513</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/41993736$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/41993736$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>230,315,728,781,785,804,886,27929,27930,53796,53798,58022,58255</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=15425571$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/14700240$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Buxton, Jane A.</creatorcontrib><creatorcontrib>Bottorff, Joan L.</creatorcontrib><creatorcontrib>Balneaves, Lynda G.</creatorcontrib><creatorcontrib>Richardson, Chris</creatorcontrib><creatorcontrib>McCullum, Mary</creatorcontrib><creatorcontrib>Ratner, Pamela A.</creatorcontrib><creatorcontrib>Hack, Tom</creatorcontrib><title>Women's Perceptions of Breast Cancer Risk: Are They Accurate?</title><title>Canadian journal of public health</title><addtitle>Can J Public Health</addtitle><description>Background: The objective was to compare women's personal estimates of their risk with objective breast cancer risk estimates and to describe the risk factors for breast cancer identified by women. Methods: Telephone survey of a random sample of 761 rural and urban women with no history of breast cancer. Survey instrument included measures of perceptions of lifetime risk for breast cancer for themselves and for the average woman, perceptions of risk factors that influenced their risk and the average woman's risk for breast cancer. Objective estimates of breast cancer risk were calculated using the Gail et al. algorithm. Descriptive statistics and multiple linear regression were used to analyze the data. Results: Women's estimates of their own lifetime risk for breast cancer were significantly higher than their Gail model risk estimates (mean difference=19%, p&lt;0.001). The women's personal breast cancer risk estimates were lower than estimates of risk for a hypothetical average woman (mean difference=-8%, p&lt;0.001). Fifty percent of the sample reported a perceived risk estimate at least 15% above their Gail risk estimate. The risk factors for breast cancer most frequently identified included family history, nutrition/diet, smoking, lifestyle, environment, stress and age. Although the risk factors used to calculate the Gail model risk estimates were reported by some study participants, these women consistently identified only family history as their personal risk factor. Conclusion: Women have difficulty accurately estimating their breast cancer risk and identifying known risk factors for breast cancer. Individual risk information may be more useful in enhancing accurate risk perceptions than the "1 in 9" message. Objectif : Le but de cette étude était de comparer l'opinion des femmes sur leur risque personnel et le risque objectif de cancer du sein et de décrire les facteurs associés au cancer du sein signalés par les femmes. Méthodes : Sondage téléphonique avec un échantillon aléatoire composé de 761 femmes de milieux urbains et ruraux, sans antécédents familiaux de cancer du sein. Le sondage comportait des instruments de mesure des perceptions du risque individuel et collectif à long terme, ainsi que des perceptions des facteurs associés au risque. Les estimations objectives du risque de cancer du sein ont été calculées par l'algorithme de Gail et al. Les données ont été analysées au moyen de statistiques descriptives et par régression linéaire multiple. Résultats : Les estimations des femmes quant à leur propre risque de cancer du sein étaient considérablement plus élevées que le risque estimé par le modèle de Gail (différence moyenne = 19 %, p&lt;0,001 ). Les estimations des femmes quant à leur risque personnel à long terme étaient inférieures à leurs estimations du risque collectif (différence moyenne = -8 %, p&lt;0,001). Pour la moitié de l'échantillon, l'estimation du risque était de 15 % supérieure à celle obtenue par le modèle de Gail. Les facteurs les plus fréquemment associés étaient les antécédents familiaux, l'alimentation, le tabac, le mode de vie, l'environnement, le stress et l'âge. Bien que certaines répondantes aient signalé les facteurs de risque utilisés dans le calcul du modèle de Gail, ces femmes ont uniformément cité les antécédents familiaux comme seul facteur de risque personnel. Conclusion : On constate que les femmes estiment difficilement leur risque de cancer du sein, ainsi que les facteurs associés. Plus que le message « une sur neuf », le fait de présenter des informations individuelles sur le risque pourrait peut-être créer une perception plus juste du risque.</description><subject>Adult</subject><subject>Age</subject><subject>Aged</subject><subject>Attitude to Health</subject><subject>Biological and medical sciences</subject><subject>Breast cancer</subject><subject>Breast Neoplasms - genetics</subject><subject>Breast Neoplasms - psychology</subject><subject>British Columbia</subject><subject>Cancer screening</subject><subject>Data Collection</subject><subject>Disease risk</subject><subject>Family history</subject><subject>Female</subject><subject>Gynecology. Andrology. Obstetrics</subject><subject>Health care</subject><subject>Health risk assessment</subject><subject>Humans</subject><subject>Mammary gland diseases</subject><subject>Medical research</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Predisposing factors</subject><subject>Public health. 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Andrology. Obstetrics</topic><topic>Health care</topic><topic>Health risk assessment</topic><topic>Humans</topic><topic>Mammary gland diseases</topic><topic>Medical research</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Predisposing factors</topic><topic>Public health. 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Methods: Telephone survey of a random sample of 761 rural and urban women with no history of breast cancer. Survey instrument included measures of perceptions of lifetime risk for breast cancer for themselves and for the average woman, perceptions of risk factors that influenced their risk and the average woman's risk for breast cancer. Objective estimates of breast cancer risk were calculated using the Gail et al. algorithm. Descriptive statistics and multiple linear regression were used to analyze the data. Results: Women's estimates of their own lifetime risk for breast cancer were significantly higher than their Gail model risk estimates (mean difference=19%, p&lt;0.001). The women's personal breast cancer risk estimates were lower than estimates of risk for a hypothetical average woman (mean difference=-8%, p&lt;0.001). Fifty percent of the sample reported a perceived risk estimate at least 15% above their Gail risk estimate. The risk factors for breast cancer most frequently identified included family history, nutrition/diet, smoking, lifestyle, environment, stress and age. Although the risk factors used to calculate the Gail model risk estimates were reported by some study participants, these women consistently identified only family history as their personal risk factor. Conclusion: Women have difficulty accurately estimating their breast cancer risk and identifying known risk factors for breast cancer. Individual risk information may be more useful in enhancing accurate risk perceptions than the "1 in 9" message. Objectif : Le but de cette étude était de comparer l'opinion des femmes sur leur risque personnel et le risque objectif de cancer du sein et de décrire les facteurs associés au cancer du sein signalés par les femmes. Méthodes : Sondage téléphonique avec un échantillon aléatoire composé de 761 femmes de milieux urbains et ruraux, sans antécédents familiaux de cancer du sein. Le sondage comportait des instruments de mesure des perceptions du risque individuel et collectif à long terme, ainsi que des perceptions des facteurs associés au risque. Les estimations objectives du risque de cancer du sein ont été calculées par l'algorithme de Gail et al. Les données ont été analysées au moyen de statistiques descriptives et par régression linéaire multiple. Résultats : Les estimations des femmes quant à leur propre risque de cancer du sein étaient considérablement plus élevées que le risque estimé par le modèle de Gail (différence moyenne = 19 %, p&lt;0,001 ). Les estimations des femmes quant à leur risque personnel à long terme étaient inférieures à leurs estimations du risque collectif (différence moyenne = -8 %, p&lt;0,001). Pour la moitié de l'échantillon, l'estimation du risque était de 15 % supérieure à celle obtenue par le modèle de Gail. Les facteurs les plus fréquemment associés étaient les antécédents familiaux, l'alimentation, le tabac, le mode de vie, l'environnement, le stress et l'âge. Bien que certaines répondantes aient signalé les facteurs de risque utilisés dans le calcul du modèle de Gail, ces femmes ont uniformément cité les antécédents familiaux comme seul facteur de risque personnel. Conclusion : On constate que les femmes estiment difficilement leur risque de cancer du sein, ainsi que les facteurs associés. Plus que le message « une sur neuf », le fait de présenter des informations individuelles sur le risque pourrait peut-être créer une perception plus juste du risque.</abstract><cop>Ottawa, ON</cop><pub>Canadian Public Health Association</pub><pmid>14700240</pmid><doi>10.1007/BF03405078</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record>
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source MEDLINE; SpringerNature Journals; JSTOR Archive Collection A-Z Listing; EZB-FREE-00999 freely available EZB journals; PubMed Central
subjects Adult
Age
Aged
Attitude to Health
Biological and medical sciences
Breast cancer
Breast Neoplasms - genetics
Breast Neoplasms - psychology
British Columbia
Cancer screening
Data Collection
Disease risk
Family history
Female
Gynecology. Andrology. Obstetrics
Health care
Health risk assessment
Humans
Mammary gland diseases
Medical research
Medical sciences
Middle Aged
Predisposing factors
Public health. Hygiene-occupational medicine
Risk Factors
Rural Population
Self examination
Tumors
Urban Population
Women
Womens health
title Women's Perceptions of Breast Cancer Risk: Are They Accurate?
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