Predictors of Colorectal Cancer Screening Prior to Implementation of a Large Pragmatic Trial in Federally Qualified Health Centers

Colorectal cancer screening can prevent cancer deaths. Federally qualified health centers serve a unique patient population that often is not screened. Knowing who in this environment is getting screened via fecal testing and via colonoscopy can assist in tailoring intervention to raise rates of colorectal cancer screening. We examined patient-level and neighborhood-level characteristics associated with being up to date with colorectal cancer screening guidelines. We also examined associations between these factors and being screened with a fecal test. We observed an increase in colorectal cancer screening rates from 2010 to 2015. Adjusted analyses revealed that the following factors were significantly associated with colorectal cancer screening: aged 65 or older, having any type of insurance, previous outpatient visits, and current or other preventive screenings. Among adults aged 50–75 who were up to date with colorectal cancer screening, factors associated with use of fecal testing, as opposed to colonoscopy, were: being younger, speaking a non-English language, being uninsured, having prior office visits, and having had a flu shot in past year. Our findings may inform clinic-based effort to raise rates of colorectal cancer screening, especially in the community clinic setting. Trial Registration: ClinicalTrials.gov, NCT01742065.     

The Role of Federally Funded Health Centers in Serving the Rural Population

CONTEXT: Federally funded health centers attempt to improve rural health by reducing and eliminating access barriers to primary care services. PURPOSE: This study compares rural health center patients with people in the general rural population for indicators of access to preventive services and health outcomes. METHODS: Data from the annual reporting system for federally funded health centers, the 1999 Uniform Data System, and published national census data were used to provide sociodemographic comparisons. Selected health status indicators, preventive services utilization, and health outcomes were obtained from a survey of health center patients, and the results were compared with the National Health Interview Survey and National Vital Statistics. FINDINGS: Unlike the nation's rural population, the majority of rural health center patients are of minority race/ethnicity, live at or below poverty, and are either uninsured or on Medicaid. Despite having higher prevalence of traditional access barriers than the general rural population, rural health center patients are significantly more likely to receive certain preventive services and also to experience lower rates of low birthweight, particularly for African American infants. However, rural health center patients are not more likely to have received influenza vaccination or up-to-date mammogram screening. CONCLUSIONS: Health centers provide access to essential preventive care for many of the most vulnerable rural residents. A national strategy to expand the rural health center network will likely help to ensure improved health for the considerable proportion of rural residents who still lack access to appropriate services.     

Impacts of the Affordable Care Act on Receipt of Women's Preventive Services in Community Health Centers in Medicaid Expansion and Nonexpansion States

BackgroundThe Affordable Care Act (ACA) increased health insurance coverage throughout the United States and improved care delivery for some services. We assess whether ACA implementation and Medicaid expansion were followed by greater receipt of recommended preventive services among women and girls in a large network of community health centers.MethodsUsing electronic health record data from 354 community health centers in 14 states (10 expansion, 4 nonexpansion), we used generalized estimating equations and difference-in-difference methods to compare receipt of six recommended preventive services (cervical cancer screening, human papilloma virus vaccination, chlamydia screening, influenza vaccination, human immunodeficiency virus screening, and blood pressure screening) among active female patients ages 11 to 65 (N = 711,121) before and after ACA implementation and between states that expanded versus did not expand Medicaid.ResultsExcept for blood pressure screening, receipt of all examined preventive services increased after ACA implementation in both Medicaid expansion and nonexpansion states. Influenza vaccination and blood pressure screening increased more in expansion states (adjusted absolute prevalence difference-in-difference, 1.55; 95% confidence interval, 0.51–2.60; and 1.98; 95% confidence interval, 0.91–3.05, respectively). Chlamydia screening increased more in nonexpansion states (adjusted absolute prevalence difference-in-difference: ?4.21; 95% confidence interval, ?6.98 to ?1.45). Increases in cervical cancer screening, human immunodeficiency virus screening, and human papilloma virus vaccination did not differ significantly between expansion and nonexpansion states.ConclusionsAmong female patients at community health centers, receipt of recommended preventive care improved after ACA implementation in both Medicaid expansion and nonexpansion states, although the overall rates remained low. Continued support is needed to overcome barriers to preventive care in this population.     

Predictors of Colorectal Screening in Rural Colorado: Testing to Prevent Colon Cancer in the High Plains Research Network

CONTEXT: Colorectal cancer is the second leading cause of cancer death in the United States, yet screening rates are well below target levels. Rural communities may face common and unique barriers to health care, particularly preventive health care. PURPOSE: To establish baseline attitudinal, knowledge, belief, and behavior measures on colorectal cancer screening and to identify barriers to or predictors of colorectal cancer screening. METHODS: As part of a controlled trial using a quasi-experimental, pretest, post-test design, we conducted a baseline telephone survey of 1,050 rural eastern Colorado residents aged 50 years and older. Smaller counties were over-sampled to ensure a minimum of 30 completed interviews per county. FINDINGS: Seventy-seven percent reported they ever had a colorectal cancer screening test and 59% were up-to-date on at least 1 test. The most important independent predictors of being up-to-date were having visited a doctor or other health care practitioner for a checkup in the past year, having personal or family history of colon polyps or cancer, and having asked for a colorectal cancer screening test. Financial concerns were reported reasons for not obtaining fecal occult blood testing by 18% and colonoscopy by 21%. CONCLUSIONS: This study suggests that health care providers should be vigilant in counseling their patients 50 and older to have a colorectal cancer test. Community programs designed to promote colon cancer screening should encourage residents to have regular contact with their primary care physician and ask their doctor for a screening test. Additionally, programs should provide financial assistance for testing for low-income and uninsured patients.     

Delivery of preventive services for low-income persons over age 50: a comparison of community health clinics to private doctors' offices

This study focused on the use of 14 evidence-based preventive services for the low-income population over age 50: colorectal, breast and cervical cancer screening, cholesterol screening, counseling around diet, exercise, tobacco, alcohol and illicit drugs, and immunizations for influenza, tetanus and pneumonia. Population characteristics and rates of delivery of these preventive services are compared for low-income users of community health clinics vs private doctors' offices/HMOs. Three nationally representative data-files from the National Health Interview Survey—the Person-Level File, Sample Adult File, and Sample Adult Prevention File—were linked to obtain the necessary data on preventive services use in the 12,024 persons over age 50. Among the population of persons over age 50 living below 200% of the poverty threshold, those using community clinics were more likely to be younger, a racial or ethnic minority, less formally educated, in poorer health, uninsured, and more likely to face time, transportation or cost barriers to obtaining health care (p < .01 for all comparisons), than their counterparts using private doctors' offices/HMOs. Community health clinics performed as well as private doctors/HMOs in the delivery of cancer screening, cholesterol screening and immunizations to lower income persons over 50 years. Rates of counseling about diet and exercise were higher among users of private doctor's offices than among users of community health clinics users (40% vs. 31% respectively, p = .02). Despite the severe resource constraints under which they operate, and the greater vulnerability of the population they serve, community clinics deliver preventive services at rates comparable to private doctors' offices and HMOs.     

Breast cancer screening practices among users of county-funded health centers vs women in the entire community.

BACKGROUND. Breast cancer screening rates tend to be lower among women with lower income and/or education. METHODS. Telephone surveys of random samples of women aged 50 to 75 who had visited five health centers (n = 795) and women in the same age group residing in the entire community (n = 404) were conducted in 1988. RESULTS. Despite the significantly lower socioeconomic level, a higher proportion of minority women, and a poorer knowledge of mammography, screening rates in the health center group were not lower than in the community sample. About half or more of the health center respondents had ever had a mammogram regardless of income, education, age, and ethnic group. Of the community respondents, 49% had ever had a mammogram, but the proportion varied significantly by income and education. Within the subgroup of women having annual incomes below $15,000, mammography use was actually higher among health center women; that is, 50% of health center vs 35% of community women reported ever having a mammogram and 31% vs 14%, respectively, reported having a mammogram in the past year. CONCLUSION. The findings demonstrate the importance of publicly funded health centers in achieving screening rates among the socioeconomically disadvantaged that are comparable to (or even higher than) those in the general population.     

Developing a Typology of African Americans With Limited Literacy Based on Preventive Health Practice Orientation: Implications for Colorectal Cancer Screening Strategies

Preventive health messages are often tailored to reach broad sociodemographic groups. However, within groups, there may be considerable variation in perceptions of preventive health practices, such as colorectal cancer screening. Segmentation analysis provides a tool for crafting messages that are tailored more closely to the mental models of targeted individuals or subgroups. This study used cluster analysis, a psychosocial marketing segmentation technique, to develop a typology of colorectal cancer screening orientation among 102 African American clinic patients between the ages of 50 and 74 years with limited literacy. Patients were from a general internal medicine clinic in a large urban teaching hospital, a subpopulation known to have high rates of colorectal cancer and low rates of screening. Preventive screening orientation variables included the patients' responses to questions involving personal attitudes and preferences toward preventive screening and general prevention practices. A k-means cluster analysis yielded three clusters of patients on the basis of their screening orientation: ready screeners (50.0%), cautious screeners (30.4%), and fearful avoiders (19.6%). The resulting typology clearly defines important subgroups on the basis of their preventive health practice perceptions. The authors propose that the development of a validated typology of patients on the basis of their preventive health perceptions could be applicable to a variety of health concerns. Such a typology would serve to standardize how populations are characterized and would provide a more accurate view of their preventive health-related attitudes, values, concerns, preferences, and behaviors. Used with standardized assessment tools, it would provide an empirical basis for tailoring health messages and improving medical communication.     

Associations of race, education, and patterns of preventive service use with stage of cancer at time of diagnosis

OBJECTIVE: To go beyond the documentation of disparities by race and SES by analyzing health behaviors regarding preventive and cancer screening services and determining if these behaviors are associated with stage of cancer when first diagnosed. DATA: Stage of cancer for Medicare patients diagnosed in 1995 with breast, colorectal, uterine, ovarian, prostate, bladder, or stomach cancer; and use of influenza and pneumonia immunization, mammography, pap smear, colon cancer screening, and the prostate specific antigen test during the two years preceding diagnosis of cancer. STUDY DESIGN: Hypothesis tested: health behaviors regarding use of preventive and cancer screening services are associated with stage of cancer when first diagnosed. DATA COLLECTION/EXTRACTION METHODS: Information was extracted from the database formed by the linkage of Surveillance, Epidemiology, and End Results (SEER) cancer registries with Medicare files. PRINCIPAL FINDINGS: Black and white patients (of higher and lower SES) who used more of the preventive and cancer screening services were at a lower risk of having late stage cancer for six cancers studied (breast, colorectal [male and female], prostate, uterine, and male bladder cancer) than their counterparts who used fewer of these services. CONCLUSIONS: The use of preventive and cancer screening services is a health behavior associated with better health outcomes for the elderly diagnosed with cancer. The lack of preventive service use can serve as a marker for identifying persons at risk of late stage cancer when first diagnosed. Strategies that encourage the use of preventive services by low users of these services are likely to reinforce a range of healthy behaviors that help to ameliorate disparities in health outcomes.     

Complementary or alternative? The use of homeopathic products and antibiotics amongst pre-school children

Background

Colorectal cancer screening rates are low among disadvantaged patients; few studies have explored barriers to screening in community health centers. The purpose of this study was to describe barriers to/facilitators of colorectal cancer screening among diverse patients served by community health centers.

Methods

We identified twenty-three outpatients who were eligible for colorectal cancer screening and their 10 primary care physicians. Using in-depth semi-structured interviews, we asked patients to describe factors influencing their screening decisions. For each unscreened patient, we asked his or her physician to describe barriers to screening. We conducted patient interviews in English (n = 8), Spanish (n = 2), Portuguese (n = 5), Portuguese Creole (n = 1), and Haitian Creole (n = 7). We audiotaped and transcribed the interviews, and then identified major themes in the interviews.

Results

Four themes emerged: 1) Unscreened patients cited lack of trust in doctors as a barrier to screening whereas few physicians identified this barrier; 2) Unscreened patients identified lack of symptoms as the reason they had not been screened; 3) A doctor's recommendation, or lack thereof, significantly influenced patients' decisions to be screened; 4) Patients, but not their physicians, cited fatalistic views about cancer as a barrier. Conversely, physicians identified competing priorities, such as psychosocial stressors or comorbid medical illness, as barriers to screening. In this culturally diverse group of patients seen at community health centers, similar barriers to screening were reported by patients of different backgrounds, but physicians perceived other factors as more important.

Conclusion

Further study of these barriers is warranted.     

Whether and where community health center users obtain screening services.

This study measures associations between minority and low socioeconomic status and the use of screening services for secondary prevention among adult community health center users. Among those who obtained timely screening services, the study also measures associations between minority and low socioeconomic status and obtaining these preventive services at a community health center. The data include 1,175 individuals ages 18 and older from a 1995 survey of community health center users. Minority and lower socioeconomic status adult community health center users were not less likely to obtain timely screening services than other adult community health center users. This differs from the trend in the general population. Minority and lower socioeconomic status community health center users who used timely screening services were more likely to obtain them at community health centers, which appear to facilitate the use of timely screening services for minority and low socioeconomic status users.     

大肠癌系统筛查方案的设计与应用

目的总结大肠癌系统筛查方案的设计和应用,分析筛查成本。方法对一组大肠癌系统筛查资料进行回顾总结。用全人口进行问卷调查和粪隐血试验,检出大肠癌危险人群,进行结肠镜检查,以组织学诊断作为确诊大肠癌的金标准来评价筛查方案的价值。结果患大肠癌的危险人群约占全人口的5%。在大肠癌危险人群中,大肠肿瘤检出率约为23%,大肠癌的检出率为0.3%。如果选择乙状结肠镜检查,发现远端大肠肿瘤才进行全结肠镜检,将有72%的远端大肠肿瘤漏诊。计算从全人口和高危人群中每检出1例大肠癌的成本分别约20万元和5万元。首次筛查从高危人群中每检出1例大肠腺瘤的成本0.25万元。结论系统筛查可有效地从自然人口中检出大肠肿瘤,免疫法FOBT和全结肠镜检查可作为粪隐血试和肠镜检查的首选方法。每检出1例大肠癌的成本,系统性筛查是机会性筛查的4倍。     

Program to improve colorectal cancer screening in a low-income, racially diverse population: a randomized controlled trial

PURPOSE More effective strategies are needed to improve rates of colorectal cancer screening, particularly among the poor, racial and ethnic minorities, and individuals with limited English proficiency. We examined whether the direct mailing of fecal occult blood testing (FOBT) kits to patients overdue for such screening is an effective way to improve screening in this population. METHODS All adults aged 50 to 80 years who did not have documentation of being up to date with colorectal cancer screening as of December 31, 2009, and who had had at least 2 visits to the community health center in the prior 18 months were randomized to the outreach intervention or usual care. Patients in the outreach group were mailed a colorectal cancer fact sheet and FOBT kit. Patients in the usual care group could be referred for screening during usual clinician visits. The primary outcome was completion of colorectal cancer screening (by FOBT, sigmoidoscopy, or colonoscopy) 4 months after initiation of the outreach protocol. Outcome measures were compared using the Fisher exact test. RESULTS Analyses were based on 104 patients assigned to the outreach intervention and 98 patients assigned to usual care. In all, 30% of patients in the outreach group completed colorectal cancer screening during the study period, compared with 5% of patients in the usual care group (P <.001). Nearly all of the screenings were by FOBT. The groups did not differ significantly with respect to the percentage of patients making a clinician visit or the percentage for whom a clinician placed an order for a screening test. CONCLUSIONS The mailing of FOBT kits directly to patients was efficacious for promoting colorectal cancer screening among a population with high levels of poverty, limited English proficiency, and racial and ethnic diversity. Non-visit-based outreach to patients may be an important strategy to address suboptimal rates of colorectal cancer screening among populations most at risk for not being screened.     

Colorectal Cancer Screening among Underserved Korean Americans in Los Angeles County

Objectives Use of colorectal cancer screening is extremely low among Korean Americans. The objective of this study was to gather information on predictors, facilitators, barriers, and intervention preferences with respect to colorectal cancer screening that may inform the development of future interventions for underserved Korean Americans. Design We developed a questionnaire guided by the Health Behavior Framework and administered it to a convenience sample of 151 Korean Americans aged 40–70 recruited through a community based organization in Los Angeles. Results In our sample in which 60% of the subjects did not have health insurance, only 17% reported having received a stool blood test within the past year or sigmoidoscopy or colonoscopy within the past 5 years. Having received a physician recommendation was significantly associated and having symptoms of the disease was marginally associated with the outcome variable. Although 64% of respondents reported having a primary care physician, only 29% received a screening recommendation from a physician. Barriers to colorectal cancer screening were lack of health insurance and inability to afford testing, not knowing where to go for testing, language barrier, and fear of being a burden to the family. Intervention preferences included educational seminars, media campaigns, and print materials. Conclusion Our findings point to the need for a multi-faceted approach that includes educational seminars at community venues, a media campaign, and physician education to increase colorectal cancer screening in this underinsured Korean American population.     

Effect of financial incentives on breast,cervical and colorectal cancer screening delivery rates: Results from a systematic literature review

Preventive care, such as screening, is important for reducing the risk of cancer, a leading cause of death worldwide. Indeed, some type of cancers are detected through screening programs, which in most countries run for colorectal, breast, and cervical cancers. In this context, general practitioners play a key role in increasing the participation rate in cancer screening programs. To improve cancer screening delivery rates, performance incentives have increasingly been implemented in primary care by healthcare payers and organizations in different countries. The effects of these tools are still not clear.We conducted a systematic literature review in order to answer the following research question: What is the evidence in the literature for the effects of financial incentives on the delivery rates of breast, cervical and colorectal cancer screening in general practice?We performed a literature search in Web of Science, PubMed, Cochrane Library and Google Scholar, according to the PRISMA guidelines. 18 studies were selected, classified and discussed according to the health preventive services investigated.Most of studies showed partial or no effects of financial incentives on breast and cervical cancer screening delivery rates. Few positive or partial effects were found regarding colorectal cancer screening.Ongoing monitoring of incentive programs is critical to determining the effectiveness of financial incentives and their effects on the improvement of cancer screening delivery rates.     

Factors Influencing Colorectal Cancer Screening in Low-Income African Americans in Tennessee

This study examined demographic and lifestyle factors that influenced decisions and obstacles to being screened for colorectal cancer in low-income African Americans in three urban Tennessee cities. As part of the Meharry Community Networks Program (CNP) needs assessment, a 123-item community survey was administered to assess demographic characteristics, health care access and utilization, and screening practices for various cancers in low-income African Americans. For this study, only African Americans 50 years and older (n = 460) were selected from the Meharry CNP community survey database. There were several predictors of colorectal cancer screening such as being married and having health insurance (P < .05). Additionally, there were associations between obstacles to screening and geographic region such as transportation and health insurance (P < .05). Educational interventions aimed at improving colorectal cancer knowledge and screening rates should incorporate information about obstacles and predictors to screening.     

Preventive health services received by minority women aged 45–64 and the goals of healthy people 2000

We attempted to evaluate the preventive health services received by minority women aged 45–64 in an underserved region of Boston. We compared two surveys of disease burden and preventive health services to national data sets and the goals of Healthy People 2000. We found that minority women seen both in community health centers and within the community had many cardiovascular risk factors (41–45% had hypertension, 24–29% had cholesterol > 200 mg/dL, and 49–56% had a body mass index of >27.3 kg/m²). Women reported that they received low rates of counseling on healthy behaviors but generally received breast and cervical cancer screening. Forty-three percent of women who were interviewed in the community had no health insurance and these women were less likely to have received a Papanicolaou test or mammogram than insured women. Lack of insurance did not predict cancer screening for women already being seen in the community health clinic.     

Determining local colorectal cancer screening utilization patterns.

Appropriate screening for colorectal cancer saves lives, yet many Americans at average risk for this disease are not being screened. This article presents the results of an inexpensive, manageable telephone survey that can be used by health departments to determine point prevalence estimates for colorectal cancer screening in their community and to determine local barriers to screening. In Onondaga County, this survey demonstrated that only 17% of the eligible population had been screened with annual fecal occult blood test and a flexible sigmoidoscopy. The study also demonstrated that locally the most significant barrier to screening was lack of knowledge of the importance of such testing. Finally, health care professionals were shown to play a pivotal role in improving the health of their patient population by encouraging screening for colorectal cancer.     

Rural disparities in receipt of colorectal cancer screening among adults ages 50–64 with disabilities

BackgroundColorectal cancer is the third leading cause of cancer deaths in the United States. Early detection can reduce mortality; however, only 59% of U.S. adults age 50 and over meet recommended colorectal cancer screening guidelines. Studies in the general population have observed that rural residents are less likely to have received colorectal cancer screening than residents of urban areas.ObjectiveTo determine whether urban/rural disparities in colorectal cancer screening exist among people with disabilities, similar to the disparities found in the general population.MethodsWe analyzed Medical Expenditure Panel Survey annual data files from 2002 to 2008. We conducted logistic regression analyses to examine the relationship between urban/rural residence and ever having received screening for colorectal cancer (via colonoscopy, sigmoidoscopy, or fecal occult blood test).ResultsAmong U.S. adults ages 50–64 with disabilities, those living in rural areas were significantly less likely to have ever received any type of screening for colorectal cancer. The urban/rural difference was statistically significant regardless of whether or not we controlled for demographic, socioeconomic, health, and health care access variables.ConclusionsDisparity in screening for colorectal cancer places rural residents with disabilities at greater risk for late stage diagnosis and mortality relative to people with disabilities in urban areas. Thus, there is a need for strategies to improve screening among people with disabilities in rural areas.     

A Colorectal Cancer Screening Program in an Underserved, Ethnically Diverse Population in Chicago, IL

The purpose of this project was to describe the structure and outcomes of a colorectal cancer screening program at CommunityHealth, the largest free health clinic in Illinois. We conducted a retrospective observational study using administrative clinical data from 2006 to 2011. A total of 4,026 patients were eligible for colorectal cancer screening of which 2,418 (60.0 %) completed fecal occult blood testing (FOBT). Subsequently, 1,657 patients had negative FOBT results and 1,365 patients underwent on-site flexible sigmoidoscopy. Over 90 % of patients had never had a prior screening examination. A majority of patients were female (61.7 %) and self-identified as Mexican (37.5 %) or Polish (28.2 %). A total of 203 biopsies were performed resulting in the detection of 69 adenomas (5.0 %) and 1 adenocarcinoma (0.1 %). A comprehensive colorectal cancer screening program was successfully implemented in a large community health center serving a population of diverse racial and ethnic backgrounds without prior access to screening. This program could serve as model for colorectal cancer screening in diverse, low resource communities.