Ahmedin Jemal

Ahmedin Jemal
American Cancer Society · Surveillance & Health Services Research

About

565
Publications
145,001
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
370,780
Citations

Publications

Publications (565)
Article
State-specific information on lost earnings due to smoking-attributable cancer deaths to inform and advocate for tobacco control policies is lacking. We estimated person-years of life lost (PYLL) and lost earnings due to cigarette smoking-attributable cancer deaths in the United States nationally and by state. Proportions and numbers of cigarette s...
Article
Importance: Smoking cessation is an urgent public health priority given that smoking is associated with increased risk of severe COVID-19 outcomes and other diseases. It is unknown how smoking cessation changed nationally during the COVID-19 pandemic. Objective: To investigate changes in smoking cessation-related behaviors in the US during the C...
Article
PURPOSE Head and neck cancers are the third most common cancers treated with radiation in Ethiopia. There is, however, a lack of published data on clinical and pathological characteristics and treatment patterns of head and neck cancers in the country. The objective of the study was to assess clinical and pathological characteristics and treatment...
Article
Previous studies using data from the early 2000s demonstrated that patients who were uninsured were more likely to present with late‐stage disease and had worse short‐term survival after cancer diagnosis in the United States. In this report, the authors provide comprehensive data on the associations of health insurance coverage type with stage at d...
Article
Importance: Health care was disrupted in the US during the first quarter of 2020 with the emergence of the COVID-19 pandemic. Early reports in selected samples suggested that cancer screening services decreased greatly, but population-based estimates of cancer screening prevalence during 2020 have not yet been reported. Objective: To examine cha...
Article
12014 Background: A cancer diagnosis is associated with substantial economic burden among cancer survivors and their families. Some families make sacrifices that adversely affect food, housing, and transportation to offset high out-of-pocket medical expenses. Cancer survivors with minor children may be particularly vulnerable to financial hardship,...
Article
Introduction It is unknown how U.S. adults’ relative harm perceptions of E-cigarettes versus cigarettes and associated behaviors changed during the E-cigarette or vaping product use‒associated lung injury epidemic (late 2019) and COVID-19 pandemic (since early 2020). Methods Data from cross-sectional nationally representative Health Information Na...
Article
Community Health Centers (CHCs) primarily serve low-income and vulnerable patients. Breast cancer screening recently became a quality-of-care metric in the annual Uniform Data System (UDS) report, and this study examines the first year of breast cancer screening data among 1375 CHCs in the United States. Clinics with available screening data (n = 1...
Article
Eliminating health disparities among different segments of the US population is an overarching goal of the US Healthy People 2020 objectives. Examine changes in educational, rural-urban, and racial disparities in premature mortality during the past 10 years. Descriptive analysis of US mortality data from 2007 to 2017. Relative and absolute rural-ur...
Article
The number of cancer survivors continues to increase in the United States due to the growth and aging of the population as well as advances in early detection and treatment. To assist the public health community in better serving these individuals, the American Cancer Society and the National Cancer Institute collaborate triennially to estimate can...
Article
Background: Medicaid expansion under the Affordable Care Act (ACA) is associated with increased insurance coverage among patients with cancer. Whether these gains translate to improved survival is largely unknown. This study examines changes in 2-year survival among patients newly diagnosed with cancer following the ACA Medicaid expansion. Method...
Article
Full-text available
Introduction Many women in rural Ethiopia do not receive adjuvant therapy following breast cancer surgery despite the majority being diagnosed with estrogen-receptor-positive breast cancer and tamoxifen being available in the country. We aimed to compare a breast nurse intervention to improve adherence to tamoxifen therapy for breast cancer patient...
Article
Background: A comprehensive examination of the incidence and mortality of subsequent primary cancers (SPCs) among adolescent and young adult (AYA) cancer survivors in the US is lacking. Methods: Cancer incidence and mortality among 170,404 ≥ 5-year cancer survivors aged 15-39 years at first primary cancer diagnosis during 1975-2013 in 9 Surveill...
Article
Importance: Black patients are less likely than White patients to receive guideline-concordant cancer care in the US. Proton beam therapy (PBT) is a potentially superior technology to photon radiotherapy for tumors with complex anatomy, tumors surrounded by sensitive tissues, and childhood cancers. Objective: To evaluate whether there are racial...
Article
Background: Cancer survivors frequently experience medical financial hardship in the United States. Little is known, however, about long-term health consequences. This study examines the associations of financial hardship and mortality in a large nationally representative sample of cancer survivors. Methods: We identified cancer survivors aged 1...
Article
Importance: Proton beam therapy (PBT) is a potentially superior technology to photon radiotherapy for tumors with complex anatomy, those surrounded by sensitive tissues, and childhood cancers. Objective: To assess patterns of use of PBT according to the present American Society of Radiation Oncology (ASTRO) clinical indications in the US. Desig...
Article
African American/Black individuals have a disproportionate cancer burden, including the highest mortality and the lowest survival of any racial/ethnic group for most cancers. Every 3 years, the American Cancer Society estimates the number of new cancer cases and deaths for Black people in the United States and compiles the most recent data on cance...
Article
Objective The aim of this study was to report the level and trends of 13 cancers that are attributable to excess body weight (EBW) for 204 countries and territories from 1990 to 2019. Methods The burden of cancers attributable to EBW was estimated from 1990 to 2019 based on the comparative risk assessment approach used in the Global Burden of Dise...
Article
Each year, the American Cancer Society estimates the numbers of new cancer cases and deaths in the United States and compiles the most recent data on population-based cancer occurrence and outcomes. Incidence data (through 2018) were collected by the Surveillance, Epidemiology, and End Results program; the National Program of Cancer Registries; and...
Article
PURPOSE To examine the association between historic state Medicaid income eligibility limits and long-term survival among patients with cancer. METHODS 1,449,144 adults age 18-64 years newly diagnosed with 19 common cancers between 2010 and 2013 were identified from the National Cancer Database. States' Medicaid income eligibility limits were cate...
Article
Background: Breast cancer (BC) is the most common cancer in sub-Saharan Africa (SSA). However, little is known about the actual therapy received by women with BC and their survival outcome at the population level in SSA. This study aims to describe the cancer-directed therapy received by patients with BC at the population level in SSA, compare the...
Article
Full-text available
In this report, the authors provide comprehensive and up‐to‐date US data on disparities in cancer occurrence, major risk factors, and access to and utilization of preventive measures and screening by sociodemographic characteristics. They also review programs and resources that have reduced cancer disparities and provide policy recommendations to f...
Article
The year 2021 marks the 50th anniversary of the National Cancer Act of 1971, which designated defeating cancer a national priority and allocated substantial resources to the National Cancer Institute, including a budget bypassing congressional approval.¹ Subsequently, the National Cancer Institute’s annual budget increased 25-fold, from $227 millio...
Article
Background The American Cancer Society, National Cancer Institute, Centers for Disease Control and Prevention, and North American Association of Central Cancer Registries provide annual information about cancer occurrence and trends in the United States. Part 1 of this annual report focuses on national cancer statistics. This study is part 2, which...
Article
Full-text available
Background Cervical cancer is the second commonly diagnosed cancer and the second leading cause of cancer death in women in Ethiopia, with rates among the highest worldwide. However, there are limited data on cervical cancer treatment patterns and survival in the country. Herein, we examine treatment patterns and survival of cervical cancer patient...
Article
Introduction/purpose: Little is known concerning the cancer burden attributable to physical inactivity by state. Our objective was to calculate the proportion of incident cancer cases attributable to physical inactivity among adults aged ≥30 years in 2013-2016 in all 50 states and District of Columbia. Methods: State-level, self-reported physica...
Article
76 Background: Medicaid expansion under the Affordable Care Act is associated with gains in health insurance coverage and a shift towards earlier stage diagnosis among patients with cancer. However, the association between Medicaid expansion and cancer mortality has not been well characterized. The aim of this study was to evaluate the association...
Article
Background: During the coronavirus disease 2019 pandemic, US unemployment rates rose to historic highs, and they remain nearly double those of prepandemic levels. Employers are the most common source of health insurance among nonelderly adults. Thus, job loss may lead to a loss of health insurance and reduce access to cancer screening. This study...
Article
Full-text available
Brain and other central nervous system (CNS) tumors are among the most fatal cancers and account for substantial morbidity and mortality in the United States. Population‐based data from the Central Brain Tumor Registry of the United States (a combined data set of the National Program of Cancer Registries [NPCR] and Surveillance, Epidemiology, and E...
Article
Background: Obesity is associated with a substantial health and economic burden in the general population in the United States. This study estimates the excess health care utilization and medical spending associated with overweight and obesity among long-term cancer survivors. Methods: Long-term cancer survivors (≥2 years after their diagnosis)...
Article
Background: The American Cancer Society (ACS) and the National Cancer Institute collaborate every 5-8 years to update the methods for estimating the numbers of new cancer cases and deaths in the current year for the U.S. and individual states. Herein, we compare our current projection methodology with the next generation of statistical models. Me...
Article
Background: Evidence about the association between structural racism and mortality in the United States is limited. We examined the association between ongoing structural racism, measured as inequalities in adulthood income between White and Black children with similar parental household income (economic mobility gap) in a recent birth cohort, and...
Article
Full-text available
Background The American Cancer Society, Centers for Disease Control and Prevention, National Cancer Institute, and North American Association of Central Cancer Registries collaborate to provide annual updates on cancer incidence and mortality and trends by cancer type, sex, age group, and racial/ethnic group in the United States. In this report, we...
Article
Full-text available
Background: Although prostate cancer (PCa) is the most commonly diagnosed cancer in men of sub-Saharan Africa (SSA), little is known about its management and survival. The objective of the current study was to describe the presentation, patterns of diagnosis, treatment, and survival of patients with PCa in 10 countries of SSA. Methods: In this o...
Article
The coronavirus disease 2019 (COVID-19) pandemic led to delayed medical care in the US. We examined changes in patterns of cancer diagnosis and surgical treatment between January 1 and December 31 in 2020 and 2019 with real-time electronic pathology report data from population-based Surveillance, Epidemiology, and End Results cancer registries from...
Article
Full-text available
Purpose Chemotherapy within 90 days following surgery for non-metastatic breast cancer is the standard of care. There are no data, however, on the extent of time to initiation of chemotherapy (TTC) in Africa settings, including Ethiopia. Methods A total of 223 women with stage I-III breast cancer treated with surgery and adjuvant chemotherapy duri...
Article
Full-text available
There are limited population-based survival data for colorectal cancer (CRC) in sub-Saharan Africa. Here, 1707 persons diagnosed with CRC from 2005-2015 were randomly selected from 13 population-based cancer registries operating in 11 countries in sub-Saharan Africa. Vital status was ascertained from medical charts or through next of kin. 1-, 3-, a...
Article
Background: Young adults (YAs) experience higher uninsurance rates and more advanced stage at cancer diagnosis than older counterparts. We examined the association of the Affordable Care Act Medicaid expansion with insurance coverage and stage at diagnosis among YAs newly diagnosed with cancer. Methods: Using the National Cancer Database, we ide...
Article
6512 Background: Income eligibility limits for Medicaid, the health insurance programs for low-income populations in the United States, vary substantially by state for the non-elderly population. This study examined associations between state Medicaid income eligibility limits and long-term survival among newly diagnosed cancer patients. Methods: 1...
Article
10604 Background: Adolescent and young adult (AYA) cancer survivors are at increased risk of subsequent primary cancer (SPC); however, a comprehensive examination of risk patterns across cancer types is lacking in the U.S. Methods: SPC incidence and mortality was calculated among >1-year cancer survivors aged 15 to 39 years at first primary cancer...
Article
1502 Background: Medicaid expansion under the Affordable Care Act (ACA) is associated with increased insurance coverage and early stage at diagnosis among patients with cancer. Whether these gains translate to improved survival is largely unknown, however. This study examines changes in one-year survival rates among persons newly diagnosed with can...
Article
1514 Background: The COVID-19 pandemic led to delays in medical care in the United States. We examined changes in patterns of cancer diagnosis and surgical treatment in 2020 using real-time electronic pathology report data from population-based SEER cancer registries in Georgia and Louisiana. Methods: Bi-weekly numbers, distributions, and patterns...
Article
Cancer prevention and early detection efforts are central to reducing cancer burden. Herein, we present estimates of cancer risk factors and screening tests in 2018 and 2019 among US adults, with a focus on smoking cessation. Cigarette smoking reached a historic low in 2019 (14.2%) partly because 61.7% (54.9 million) of all persons who had ever smo...
Article
Full-text available
Importance Health insurance coverage is associated with improved outcomes in patients with cancer. However, it is unknown whether Medicaid expansion through the Patient Protection and Affordable Care Act (ACA) was associated with improvements in the diagnosis and treatment of patients with genitourinary cancer. Objective To assess the association...
Article
Background: This study was aimed at examining the risks of subsequent primary cancers (SPCs) among breast cancer survivors by hormone receptor (HR) status and age at diagnosis. Methods: Data from 12 Surveillance, Epidemiology, and End Results registries were used to identify 431,222 breast cancer survivors (at least 1 year) diagnosed between the...
Article
There is shortage of radiotherapy machines in low‐income countries, including Ethiopia. Data on adverse effects of this on cancer outcomes are limited, however. Herein, we examined the extent of waiting time for radiotherapy and its association with disease progression based on a prospective cohort study of women diagnosed with stage IA‐IVA cervica...
Article
Proposals for expanding Medicare insurance coverage to uninsured Americans approaching the Medicare eligibility age of sixty-five has been the subject of intense debate. We undertook this study to assess cancer survival differences between uninsured patients younger than age sixty-five and older Medicare beneficiaries by using data from the Nationa...
Article
Introduction Health insurance is associated with better care in the U.S., but little is known about the associations of coverage disruptions (i.e., periods without insurance) with care access, receipt, and affordability. Methods Adults aged 18–64 years with current private (n=124,746), public (n=30,932), or no (n=31,802) insurance coverage were id...
Article
Background Alcohol consumption is an established risk factor for several cancer types, but there are no contemporary published estimates of the state-level burden of cancer attributed to alcoholic beverage consumption. Such estimates are needed to inform public policy and cancer control efforts. We estimated the proportion and number of incident ca...
Article
Full-text available
Background Transgender persons face many barriers to healthcare that may delay cancer diagnosis and treatment, possibly resulting in decreased survival. Yet, data on cancer in this population are limited. We examined cancer stage at diagnosis, treatment, and survival among transgender patients compared to cisgender patients in the National Cancer D...
Article
Full-text available
Background: Breast cancer (BC) is the most frequently diagnosed cancer and leading cause of cancer deaths among females in low-income countries. Ethiopia does not have a national BC screening program and over 80% of patients are diagnosed with advanced stage disease. The aim of this study was to assess how many women self-report a breast abnormali...
Article
Full-text available
Previous study reported shared decision making was underused in PSA-based prostate cancer screening. In mid-2018, the US Preventive Service Task Force recommended shared decision making (SDM) before PSA-based prostate cancer screening among men aged 55–69 year while remained against PSA testing in men aged 70 or older. The objective of this study i...
Preprint
Full-text available
Background: Cervical cancer is the second commonly diagnosed cancer and the second leading cause of cancer death in women in Ethiopia, with rates among the highest worldwide. However, there are limited data on cervical cancer treatment patterns and survival in the country. Herein, we examine treatment patterns and survival of cervical cancer patien...
Article
Full-text available
Background: Cervical cancer (CC) is the most common female cancer in many countries of sub-Saharan Africa (SSA). We assessed treatment guideline adherence and its association with overall survival (OS). Methods: Our observational study covered nine population-based cancer registries in eight countries: Benin, Ethiopia, Ivory Coast, Kenya, Mali,...
Article
This article provides an update on the global cancer burden using the GLOBOCAN 2020 estimates of cancer incidence and mortality produced by the International Agency for Research on Cancer. Worldwide, an estimated 19.3 million new cancer cases (18.1 million excluding nonmelanoma skin cancer) and almost 10.0 million cancer deaths (9.9 million excludi...
Article
PurposeThere are limited data on the burden of cancer attributable to cigarette smoking by metropolitan areas to inform local tobacco control policies in the USA. We estimated the proportion of cancer deaths attributable to cigarette smoking (or population attributable fraction [PAF]) in 152 U.S. metropolitan or micropolitan statistical areas (MMSA...
Article
The suicide rate has steadily increased in the United States during the past 2 decades. Cancer patients have elevated suicide risk because of prevalent psychological distress, treatment side effects, and potentially uncontrolled pain. Efforts to promote psychosocial and palliative care may reduce this risk. Using the 1999-2018 Multiple Cause of Dea...
Article
Full-text available
Introduction: Endocrine therapy for breast cancer (BC) patients is highly underutilized in rural Ethiopia and other African countries. Objective: This study aims to assess the feasibility of and adherence to tamoxifen therapy in rural Ethiopia. Methods: We ascertained the hormone receptor (HR) status in 101 women diagnosed with BC from January...
Article
Each year, the American Cancer Society estimates the numbers of new cancer cases and deaths in the United States and compiles the most recent data on population-based cancer occurrence. Incidence data (through 2017) were collected by the Surveillance, Epidemiology, and End Results Program; the National Program of Cancer Registries; and the North Am...
Article
Full-text available
Purpose: Stage at diagnosis is a key determinant of breast cancer prognosis. In this study, we characterize stage at diagnosis and determine factors associated with advanced stage at diagnosis among women diagnosed with invasive breast cancer in Addis Ababa, capital city of Ethiopia. Methods: Stage information was collected from medical records...
Article
Full-text available
Introduction The COVID-19 pandemic has led to a major shift in workspace from office to home. This report examined how telecommuting is related to smoking behavior of wage and salary workers. Methods Self-reported smoking behavior of 1,390 U.S. wage and salary workers aged 16–64 years from the Tobacco Use Supplement of the Current Population Surve...
Article
Importance The number of cancer survivors who develop new cancers is projected to increase, but comprehensive data on the risk of subsequent primary cancers (SPCs) among survivors of adult-onset cancers are limited. Objective To quantify the overall and cancer type-specific risks of SPCs among adult-onset cancer survivors by first primary cancer (...
Article
Previous studies reported increases in the proportion of patients in the US and UK with lung cancer who never smoked cigarettes,¹,2 but these were based on small sample sizes from hospital data rather than population-based cancer registries. Beginning in 2011, the US Centers for Disease Control and Prevention (CDC) National Program of Cancer Regist...
Article
Full-text available
The aim of this study was to assess the magnitude, socio-demographic, and clinical characteristics of oesophageal cancer patients in selected referral hospitals of Ethiopia. A retrospective document review was employed in ten referral hospitals in different regions of Ethiopia. A structured data extraction tool was used to extract data from clinica...
Conference Paper
p>Purpose: To assess cancer survival differences between uninsured patients younger than age 65 years with their immediate older counterparts age 66-69 years with Medicare coverage. Methods: Data from the National Cancer Data Base were used for this study. The main outcomes were 1-, 2-, and 5-year survival for 16 cancer types in 1,206,821 newly dia...