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1.
BACKGROUND: Obese and underweight women may be less likely to seek cancer screening because of health status, self-perception, and body image related to non-desirable weight. This study examined the relationship between body mass index (BMI) and mammography screening, using the data from the year 2000 United States National Health Interview Survey. METHODS: This study included 7692 white and 1496 black female participants aged 40-80, who were randomly selected. Body mass index (kg/m2), based on self-reported weight and height, was compared between women with and without a mammogram in the past 2 years using logistic regression. RESULTS: Compared to women with normal body mass index, underweight and extremely obese women were more likely to have no screening mammograms in the past 2 years (odds ratio (OR) = 1.8, 95% confidence interval (CI), 1.2-2.6 for underweight women; odds ratio = 1.3, 95% confidence interval, 1.0-1.8 for extremely obese women). When data were analyzed by race, the odds ratio estimates were 1.8 for underweight white women (95% confidence interval, 1.3-2.7) and 1.4 for extremely obese white women (95% confidence interval, 1.0-1.9). The corresponding odds ratio estimates were close to 1.0 for black women. CONCLUSIONS: Underweight and extreme obesity may increase the risk of underusing screening mammography. The association between body mass index especially underweight and underuse of mammography might exist primarily in white women.  相似文献   

2.
Screening mammography in the American elderly   总被引:7,自引:0,他引:7  
BACKGROUND: Substantial differences exist in estimates of the proportion of elderly women who undergo screening mammography and the impact of race and ethnicity on mammography usage. METHODS: A representative 5% sample of elderly women living in 11 Surveillance, Epidemiology, and End Results areas from 1991 to 2001 was constructed using Medicare data. Biennial rates of screening mammography (at least one mammogram within each 2-year period) were calculated for overlapping 2-year periods, adjusting to a 2000-2001 age and race distribution. Multivariate repeated-measures logistic regression was used to examine predictors of screening usage. RESULTS: The sample included 146,669 women. Between 1991 and 2001 the age- and race-adjusted proportion of women aged 65 years and older who underwent at least biennial screening mammography increased from 35.8% to 47.9%. Mammography screening increased for all racial and ethnic groups, but remained significantly higher for non-Hispanic white women as compared with all other groups. The biennial screening rate in 2000-2001 was 50.6% for non-Hispanic white, 40.5% for African-American, 34.7% for Asian-American, 36.3% for Hispanic, and 12.5% for Native-American women. After controlling for age, site, physician access, comorbidities, education, and income, African Americans (odds ratio [OR] = 0.80, 95% confidence interval [CI] = 0.78-0.83), Asian Americans (OR=0.53, CI = 0.51-0.55), Hispanics (OR = 0.70, CI = 0.67-0.74), and Native Americans (OR=0.37, CI=0.29-0.46) were still all less likely than non-Hispanic white women to undergo screening. CONCLUSIONS: Elderly women undergo significantly less mammography screening than is suggested by self-reported surveys. All groups of non-white women undergo less screening than do white women. The magnitude of the difference in screening rates comparing Asian-American and Hispanic women with white women is especially large; however, other studies have questioned the sensitivity of Medicare data for identifying people of Asian and Hispanic ethnicity. For African-American women, the magnitude of the gap is smaller, but it is of concern that the gap in screening as compared with white women has grown over time.  相似文献   

3.
Childbearing in cohabiting unions: racial and ethnic differences   总被引:1,自引:0,他引:1  
CONTEXT: Cohabitation provides a two-parent family union in which to have and raise children outside of marriage. Little is known, however, about the conditions under which cohabiting couples conceive and decide to have children. METHODS: The National Survey of Family Growth provides detailed data on the cohabitation and fertility histories of American women. Life-table techniques, event-history analyses and logistic regression were employed to understand the racial and ethnic differences in the timing of childbearing within cohabiting unions and whether childbearing within cohabiting unions is more acceptable to members of minorities than to whites. RESULTS: In multivariate models, Hispanic women were found to be 77% more likely than white women to conceive a child in cohabitation and black women were 69% more likely than white women to do so. Among women who became pregnant while cohabiting, Hispanic women were almost twice as likely and black women were three times as likely as white women to remain cohabiting with their partner when their child was born. In addition, children born to Hispanic women in cohabiting unions were found to be 70% more likely to be intended than were those born to cohabiting white women. CONCLUSIONS: In terms of fertility, cohabitation does not maintain the same place in the American family system for all racial and ethnic groups. These racial and ethnic differences in fertility-related behavior are not explained by socioeconomic differences. Based on levels of childbearing during cohabitation, relationship status at time of birth and intention status of children, it appears that cohabitation is a more acceptable arena for family building among Hispanic women than among whites or blacks.  相似文献   

4.
Compared to non-Hispanic women, Hispanic women have disproportional mortality rates due to breast cancer. Mammographic screening detects breast cancer in its early stages and reduces mortality. We examined data obtained from the 2002 Behavioral Risk Factor Surveillance System questionnare using logistic regression analyses to study the relationships between demographic and healthcare factors and mammography use among Hispanic and non-Hispanic White women 40 years and older. Overall, the odds of ever having had a mammogram were similar among Hispanic and non-Hispanic White women (odds ratio = 1.2; 95% confidence interval = 0.9, 1.6), when adjusted for age, employment status, and other demographic variables. Having a personal physician and the type of healthcare facility typically used were associated with mammography use, regardless of Hispanic ethnicity. Although associations between mammography use and demographic factors were similar between ethnic groups, larger proportions of Hispanics had demographic characteristics that were negatively associated with mammography use. Establishing policies and mechanisms to provide all women with regular access to a personal physician or healthcare professional for their preventive and nonemergency healthcare needs may improve mammography use among both Hispanic and non-Hispanic White women. Similarly, reaching out to women who are uninsured and who use facilities other than physicians' offices for their healthcare needs may increase the use of mammography among both ethnic groups.  相似文献   

5.
BACKGROUND: In the United States, HIV rates are disproportionately high among black women, with 78% of cases attributed to heterosexual transmission. This analysis examined HIV testing, high risk behaviors and condom use consultation for the prevention of sexually transmitted diseases (STD) among a diverse sample of women. METHODS: Secondary analyses were conducted using data from the 2004 Behavioral Risk Factor Surveillance System (BRFSS). This dataset included a sample of 43,550 (12% black, 79% white, and 9% Hispanic) women aged 18 to 49 years, living in the United States. Both bivariate and multivariate statistical analyses were conducted. RESULTS: Multivariate logistic regression analyses revealed that ethnic group differences existed for past-year HIV test, high-risk behaviors, and condom use consultation even after we controlled for age, education,income, employment status, and region of residence. Black women were three times more likely than white women to report a past-year HIV test and Hispanic women were 50% more likely than white women and report a past-year HIV test. Women who reported receiving condom use consultations were most likely to be Hispanic, 30 to 34 years old, and residents of the northeast. CONCLUSIONS: Initiatives to promote HIV testing appeared to have affected HIV testing behaviors among black women. However, increased HIV testing among black women was not associated with an increased likelihood of condom use counseling by a healthcare professional. More emphasis on HIV counseling is warranted to assist with HIV risk reduction and to complement HIV testing initiatives.  相似文献   

6.
7.
Most studies of risk factors for osteoporosis and nontraumatic fracture involve white women, although more research is being geared toward bone health among various ethnic groups. The purpose of this review is to provide an overview of health disparity in osteoporosis, including assessment of bone mineral density (BMD), bone health screening, lifestyle risk factors, and treatment involving white, black, Hispanic, Asian, and Native American women. This review summarizes evidence that white, Asian, Hispanic, and Native American women are more at risk for osteoporosis than black women. These conclusions are supported by the disparity in BMD between white and black women, although the reason for this biological difference is not well characterized. Additional research is needed to determine if there is a significant difference in BMD among Hispanic, Asian, and Native American women independent of body weight and size. Similarly, there is also disparity in fracture rates, with the causes presumed to be multifactorial. Calcium intake is lower than recommended in all females at all ages; however, it is much lower in black and Native American women and highest in white and Hispanic women. Black women also have a lower vitamin D status than white women, with mean vitamin D status of Hispanic American women lying between that of black and white women. Similarly, although white women are more active than black and Hispanic women at all ages, data are lacking about physical activity habits of women of other ethnic backgrounds and how this impacts bone health. Finally, screening protocols for women of various ethnicities and effectiveness of treatments are not well established and remain a priority in women's health.  相似文献   

8.
《Women & health》2013,53(2-3):59-76
ABSTRACT

Background: In the United States, HIV rates are disproportionately high among black women, with 78% of cases attributed to heterosexual transmission. This analysis examined HIV testing, high-risk behaviors and condom use consultation for the prevention of sexually transmitted diseases (STD) among a diverse sample of women.

Methods: Secondary analyses were conducted using data from the 2004 Behavioral Risk Factor Surveillance System (BRFSS). This dataset included a sample of 43,550 (12% black, 79% white, and 9% Hispanic) women aged 18 to 49 years, living in the United States. Both bivariate and multivariate statistical analyses were conducted.

Results: Multivariate logistic regression analyses revealed that ethnic group differences existed for past-year HIV test, high-risk behaviors, and condom use consultation even after we controlled for age, education, income, employment status, and region of residence. Black women were three times more likely than white women to report a past-year HIV test and Hispanic women were 50% more likely than white women and report a past-year HIV test. Women who reported receiving condom use consultations were most likely to be Hispanic, 30 to 34 years old, and residents of the northeast.

Conclusions: Initiatives to promote HIV testing appeared to have affected HIV testing behaviors among black women. However, increased HIV testing among black women was not associated with an increased likelihood of condom use counseling by a healthcare professional. More emphasis on HIV counseling is warranted to assist with HIV risk reduction and to complement HIV testing initiatives.  相似文献   

9.
The extent to which targeted mammography programs have impacted women in rural areas is not well defined. We investigated mammography screening rates among 843 women age 50 and over from a population-based sample in four predominantly rural eastern North Carolina counties. We examined age, race, education level, county of residence, health insurance, and the self-reported completion of mammography in the past year using contingency tables and logistic regression. African American females aged 65 years or older had the lowest reported mammography rates (42%), while white females aged 50 to 64 had the highest rates (58%). Uninsured women and those with less education were less likely to have received a mammogram. Logistic regression demonstrated that age, education, and health insurance were significant predictors of mammography completion. A county-level analysis revealed that three counties had similar rates and one county had substantially lower rates. A higher-than-expected rate of screening-mammography completion among African American women was noted in one predominantly rural county served by a breast cancer screening program. Logistic regression analysis confirmed that county was a significant predictor for mammography completion. In separate regressions run by race, county remained a significant predictor for African American women but not for white women. Differences in mammography screening appear to persist in some predominantly rural areas and are related to age, race, education, and health insurance. Programs that target hard-to-reach women with efforts tailored specifically to their needs may be effective in reducing persistent racial differences.  相似文献   

10.
BACKGROUND: Minority women continue to be disproportionately affected by cervical cancer. Minority population groups at high risk for cervical cancer may be failing to fully comply with screening recommendations. The use of Pap smears among women in California was evaluated to identify ethnic groups at higher risk for noncompliance with cervical cancer screening. METHODS: Cross-sectional analysis of 2001 California Health Interview Survey data. Logistic regression was used to assess the independent contribution of race/ethnicity to the use of Pap smears. RESULTS: Hispanic (aPR = 1.03, 95% CI 1.02-1.05) and Black (aPR = 1.03, 95% CI 1.001-1.06) women are more likely to report a Pap smear in the past 3 years as compared to White women. Asians were the least likely to report cervical cancer screening despite a more favorable sociodemographic profile. Screening rates varied among Hispanic or Asian subgroups; Mexicans, Vietnamese, Chinese, and South Asians are particularly underserved. CONCLUSIONS: In contrast to the country as a whole, Hispanic women in California are more likely to report a recent Pap smear as compared to White women. However, racial/ethnic disparities in Pap smear use persist; Asian women are the least likely to report cervical cancer screening as compared to any other group.  相似文献   

11.
PROBLEM/CONDITION: In the United States, disparities in risks for chronic disease (e.g., diabetes, cardiovascular disease, and cancer) and injury exist among racial and ethnic groups. This report summarizes findings from the 1997 Behavioral Risk Factor Surveillance System (BRFSS) of the distribution of access to health care, health-status indicators, health-risk behaviors, and use of clinical preventive services across five racial and ethnic groups (i.e., whites, blacks, Hispanics, American Indians or Alaska Natives, and Asians or Pacific Islanders) and by state. REPORTING PERIOD COVERED: 1997. DESCRIPTION OF SYSTEM: The BRFSS is a state-based telephone survey of the civilian, noninstitutionalized, adult (i.e., persons aged > or = 18 years) population. In 1997, all 50 states, the District of Columbia, and Puerto Rico participated in the BRFSS. RESULTS: Variations in risk for chronic disease and injury among racial and ethnic groups exist both within states and across states. For example, in Arizona, 11.0% of whites, 26.2% of Hispanics, and 50.5% of American Indians or Alaska Natives reported having no health insurance. Across states, the median percentage of adults who reported not having this insurance ranged from 10.8% for whites to 24.5% for American Indians or Alaska Natives. Other findings are as follows. Blacks, Hispanics, American Indians or Alaska Natives, and Asians or Pacific Islanders were more likely than whites to report poor access to health care (i.e., no health-care coverage and cost as a barrier to obtaining health care). Blacks, Hispanics, and American Indians or Alaska Natives were more likely than whites and Asians or Pacific Islanders to report fair or poor health status, obesity, diabetes, and no leisure-time physical activity. Blacks were substantially more likely than other racial or ethnic groups to report high blood pressure. Among all groups, American Indians or Alaska Natives were the most likely to report cigarette smoking. Except for Asians or Pacific Islanders, the median percentage of adults who reported not always wearing a safety belt while driving or riding in a car was > or = 30%. The Papanicolaou test was the most commonly reported screening measure: > or = 81% of white, black, and Hispanic women with an intact uterine cervix reported having had one in the past 3 years. Among white, black, and Hispanic women aged > or = 50 years, > or = 63% reported having had a mammogram in the past 2 years. Approximately two thirds of white, black, and Hispanic women aged > or = 50 years reported having had both a mammogram and a clinical breast examination in the past 2 years; this behavior was least common among Hispanics and most common among blacks. Screening for colorectal cancer was low among whites, blacks, and Hispanics aged > or = 50 years: in each racial or ethnic group, < or = 20% reported having used a home-kit blood stool test in the past year, and < or = 30% reported having had a sigmoidoscopy within the last 5 years. INTERPRETATION: Differences in median percentages between racial and ethnic groups, as well as between states within each racial and ethnic group, are likely mediated by various factors. According to published literature, socioeconomic factors (e.g., age distribution, educational attainment, employment status, and poverty), lifestyle behaviors (e.g., lack of physical activity, alcohol intake, and cigarette smoking), aspects of the social environment (e.g., educational and economic opportunities, neighborhood and work conditions, and state and local laws enacted to discourage high-risk behaviors), and factors affecting the health-care system (e.g., access to health care, and cost and availability of screening for diseases and health-risk factors) may be associated with these differences. ACTION TAKEN: States will continue to use the BRFSS to collect information about health-risk behaviors among various racial and ethnic groups. (ABSTRACT TRUNCATED)  相似文献   

12.
Context: As mammography rates increase, an important question is how closely groups of women match or do not match the national-level, average screening percentage.Objective: This study employed a classification-tree methodology to combine individual risk factors from multiple logistic regression, in order to more comprehensively define groups of women less (or more) likely to be screened.Design/ Setting: This report was a secondary data analysis drawing on data from the 1992 National Health Interview Survey, Cancer Control Supplement (NHIS-CCS).Participants: Analyses examined mammography status of women aged 50–75 (n = 1,727).Main Outcome Measure: The dependent variable was having a screening mammogram in the past 2 years. Multiple logistic regression (SUDAAN) was conducted first to select significant correlates of screening. A classification-tree analysis (CHAID subroutine of SPSS) was then used to combine the significant correlates into exclusive and exhaustive subgroups.Results: A total of 13 subgroups were identified, of which only six approximated the overall population screening rate. The lowest screening occurred in small clusters of women, which, when added together, formed a larger percentage of the population who were not screened within the past 2 years.Conclusions: Efforts to increase mammography may face the challenge of identifying relatively small pockets of women and addressing their individual barriers. Further work should be done to find efficient ways to combine individual risk factors into groups at risk for not being screened.  相似文献   

13.
《Women & health》2013,53(2):15-27
ABSTRACT

The prevalence of mammography screening is unacceptably low. A history of trauma has been associated with poor health status, decreased health prevention behaviors, and increased mortality. We predicted that women who had a history of trauma were less likely to obtain mammography screening than women who did not report such a history. The relation between history of trauma and breast cancer screening has not been previously described.

We used a case-control design, randomly sampling women who had obtained and who had not obtained mammography within the preceding 2.25 years. There were significant differences in trauma history between women who had been screened and those who had not. Those who had not obtained mammography within the recommended breast cancer screening guidelines reported a greater overall number of traumatic events in their lifetimes, a greater prevalence of urban violence, domestic violence, sexual violence, and greater frequency of MVA.

African-American, Asian-American, and Latina-American women obtained mammography less often than white European-American women. The specific traumatic events which were associated with obtaining mammography differed between ethnic groups.

Several types of trauma were associated with lowered rates of mammography screening. The effects of different types of trauma were different for women of different ethnic groups.  相似文献   

14.
OBJECTIVES: We examined the effect of routine screening on breast cancer staging by race/ethnicity. METHODS: We used a 1990 to 1998 mammography database (N = 5182) of metropolitan Denver, Colo, women to examine each racial/ethnic cohort's incident cancer cases (n = 1902) and tumor stage distribution given similar patterns of routine screening use. RESULTS: Regardless of race/ethnicity, women participating in routine screenings had earlier-stage disease by 5 to 13 percentage points. After control for possible confounding factors, White women were more likely to have early-stage disease compared with Black and Hispanic women. CONCLUSIONS: Lack of screening coverage in certain racial/ethnic populations has often been cited as a reason for tumor stage differences at detection. In this study, correcting for screening did not completely reduce stage differentials among Black and Hispanic women.  相似文献   

15.
Objectives: The three objectives of this research were: 1) to examine the use of Pap smear tests among low-income women, including minority and immigrant women who were patients in a safety-net healthcare system; 2) to identify policy relevant variables that could lead to changes in use of Pap smear screening services for these women; and 3) to contribute to the literature on use of Pap smear screening, especially among minorities and immigrants. The Behavioral Model for Vulnerable Populations was used as the theoretical framework. Methods: Pap smear screening predictors were examined using telephone interviews with a random sample of women aged 18–60, including 465 Non-Hispanic Whites, 285 African Americans, 164 Hispanic Americans, and 256 Hispanic immigrants, enrolled in a safety-net healthcare system in Texas in Fall 2000. Binary logistic regression analysis was used. Results: The research revealed that Non-Hispanic Whites were most likely to have been screened ever and in the past 3 years, followed by African Americans, Hispanic immigrants, and Hispanic Americans. Among Hispanics, immigrants were most likely to have had Pap smear screening, supporting the “healthy immigrant hypothesis.” Older women were most likely to have ever been screened, with younger women, most likely in the past year. Having a usual source of healthcare and a checkup for current pregnancy increased screening, while competing needs (food, clothing, housing) affected screening negatively. Conclusions: Culturally competent, community-based care for women is needed to increase Pap smear screening among minority groups, especially Hispanic immigrant and Hispanic American women.  相似文献   

16.
Objectives Black and Hispanic infants are 19.9 and 10.3 times more likely, respectively, than white infants to develop congenital syphilis (CS), a disease that is preventable with timely prenatal screening and treatment. We examined racial/ethnic group differences in prenatal syphilis screening among pregnant women with equal financial access to prenatal care through Medicaid. Methods We used Florida claims data to examine any, early, and repeat screening among non-Hispanic white, non-Hispanic black, and Hispanic women with Medicaid-covered deliveries in FY1995 (n = 56,088) and FY2000 (n = 54,073). We estimated screening rates for each group, and used logistic regression to assess whether screening disparities remained after controlling for other factors, including Medicaid enrollment characteristics and prenatal care source, and associations between access-related factors and screening odds for each group. Results Between FY1995 and FY2000, rates of any and early syphilis screening increased, while repeat screening rates decreased. In FY1995, any, early, and repeat rates were highest for blacks and lowest for Hispanics. In FY2000, any and early screening rates were highest for whites and lowest for blacks, while repeat screening rates were similar across groups. Racial/ethnic differences in any and early screening remained for non-Hispanic blacks after adjustment. In general, Medicaid enrollment early in pregnancy, primary care case management participation, and use of a safety net clinic were associated with higher screening odds, though results varied by test type and across groups. Conclusions Unexplained racial/ethnic disparities in prenatal syphilis screening remain for blacks, but not Hispanics. Individual, provider, and program factors contribute to differences across and within groups.  相似文献   

17.
BACKGROUND: Predictors of regular mammography screening over many years have not often been examined prospectively. We used data from baseline (1993-1994), first (1996-1997), and second follow-up (2000) interviews with 336 White and 314 African-American rural women in the North Carolina Breast Cancer Screening Program to evaluate baseline factors predictive of regular mammography use over 7 years. METHODS: We defined regular mammography use as a recent mammogram (past 2 years) at all three interviews. Using binomial and logistic regression models adjusted for age, we examined factors associated with initiation (for women without prior regular use) and maintenance (for women with prior regular use) of mammography. RESULTS: Younger age and White race were predictive of initiation of regular mammography use. Physician recommendation was the strongest predictor of both initiation and maintenance of regular mammography use. Positive mammography attitudes and fewer personal barriers were strongly associated with initiation but not with maintenance. CONCLUSIONS: Increased contact with providers and greater support for screening mammograms by providers could have an important impact on rural women initiating and maintaining regular mammography screening. Special efforts are needed to prompt rural African-American women and those over age 65 to initiate screening, since once they start they are likely to continue.  相似文献   

18.
OBJECTIVE: To examine individual and environmental factors associated with adherence to mammography screening guidelines. DATA SOURCES: A unique data set that combines a national probability sample (1992 National Health Interview Survey); a national probability sample of mammography facility characteristics (1992 National Survey of Mammography Facilities); county-level data on 1990 HMO market share; and county-level data on the supply of primary care providers (1991 Area Resource File). STUDY DESIGN: The design was cross-sectional. DATA EXTRACTION/ANALYSIS: Data sets were linked to create an individual-level sample of women ages 50-74 (weighted n = 2,026). We used multipart, sequential logistic regression models to examine the predictors of having ever had mammography, having had recent mammography, and adherence to guidelines. We categorized women as adherent if they reported a lifetime number of exams appropriate for their age (based on screening every two years) and they reported having had an exam in the past two years. PRINCIPAL FINDINGS: Only 27 percent of women had the age-appropriate number of screening exams (range 16 percent-37 percent), while 59 percent of women had been screened within two years. Women were significantly more likely to adhere to screening guidelines if they reported participating with their doctor in the decision to be screened; were younger; had smaller families, higher education and income, and a recent Pap smear; reported breast problems; and lived in an area with a higher percentage of mammography facilities with reminder systems, no shortage of primary care providers, higher HMO market share, and higher screening charges. CONCLUSIONS: A small percentage of women adhere to screening guidelines, suggesting that adherence needs to become a focus of clinical, programmatic, and policy efforts.  相似文献   

19.
Efforts to study racial variations in access to health care for minorities other than black persons have been hampered by a paucity of data. The Health Care Financing Administration (HCFA) has made efforts in the past few years to enhance the racial codes on the Medicare enrollment files to include Hispanic, Asian American, and Native American designations. This study examines hospitalization rates by these more detailed racial/ethnic groupings. The results show black, Hispanic, and Native American aged beneficiaries compared with white beneficiaries have higher hospitalization rates. Asian American beneficiaries have lower hospitalization rates. Rates of revascularization--coronary artery bypass graft (CABG) and percutaneous transluminal coronary angioplasty (PTCA)--are lower for black, Hispanic, and Native American beneficiaries compared with white beneficiaries, while rates for Asian Americans are similar to rates for white beneficiaries.  相似文献   

20.
BACKGROUND: The purpose of this study was to examine trends in the use of clinical breast examinations (CBE), mammography, and both tests between the years 1990 and 2000. METHODS: Receipt of breast cancer screening tests (CBE, mammography, and both tests combined) for white, black, and Hispanic women in 1990, 1994, 1998, and 2000 were examined by sociodemographic, access, and health risk indicators using data from the National Health Interview Survey. RESULTS: The use of mammography increased from 1990 to 2000, but the proportion of women reporting a recent CBE decreased for almost all groups of women. Differential use of CBE by sociodemographic characteristics is consistent with what has been documented for mammography. CONCLUSIONS: Although the use of mammography has increased since 1990, there has been a downward trend in the use of CBE. Healthcare providers should be aware of the lower rates of CBE, particularly among women with compromised access to health care, and should not assume that women who get mammograms have received comprehensive screening for breast cancer.  相似文献   

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