Dataset Information

Clustering of esophageal cancer among white men in the United States.

ABSTRACT: Studies of the geographic distribution of esophageal cancer in the United States have been limited. We aimed to examine geographic clustering of esophageal cancer in the United States and assess whether that clustering is explained by the distribution of known risk factors for esophageal cancer. We conducted cluster analyses derived from county mortality rates of esophageal cancer, using publicly available datasets. State incidence rates of esophageal adenocarcinoma were from the National Program of Cancer Registries, and county esophageal-cancer mortality rates were from the Vital Statistics Cooperative Program. County prevalences of cigarette use, alcohol use, obesity, education, and income were published estimates derived from the Behavioral Risk Factor Surveillance System and the American Community Survey. The primary outcomes were clusters of high and low esophageal-cancer mortality rates among non-Hispanic white men, both unadjusted and adjusted for risk factors. Age-standardized county rates of esophageal-cancer mortality among non-Hispanic white men ranged from 4.8 to 21.2 per 100,000/year. There was a cluster of high mortality in the Great Lakes states and New England and a cluster of low mortality in the Southeastern United States. State incidence rates of esophageal adenocarcinoma were consistent with this pattern. Adjusting for risk factors did little to change the pattern of observed rates or the clusters derived from them. Among non-Hispanic white men, there are clusters of high and low mortality rates with esophageal cancer within the United States, likely representing esophageal adenocarcinoma; but those clusters were not explained by several known risk factors. Focusing future efforts in the high-cluster areas might improve the efficiency of cancer screening and control.

SUBMITTER: Rubenstein JH

PROVIDER: S-EPMC6303731 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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Clustering of esophageal cancer among white men in the United States.

Rubenstein J H JH Morgenstern H H Longstreth K K

Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus 20190101 1

Studies of the geographic distribution of esophageal cancer in the United States have been limited. We aimed to examine geographic clustering of esophageal cancer in the United States and assess whether that clustering is explained by the distribution of known risk factors for esophageal cancer. We conducted cluster analyses derived from county mortality rates of esophageal cancer, using publicly available datasets. State incidence rates of esophageal adenocarcinoma were from the National Progra ...[more]

PMID: 30169649

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Project description:BackgroundPrevious studies showed a higher incidence of lung cancer among young women than among young men in the United States. Whether this pattern has continued in contemporary birth cohorts and, if so, whether it can be fully explained by sex differences in smoking behaviors are unknown.MethodsWe examined the nationwide population-based incidence of lung cancer according to sex, race or ethnic group, age group (30 to 34, 35 to 39, 40 to 44, 45 to 49, and 50 to 54 years), year of birth (1945 to 1980), and calendar period of diagnosis (1995-1999, 2000-2004, 2005-2009, and 2010-2014), and we calculated female-to-male incidence rate ratios. We also examined the prevalence of cigarette smoking, using data from the National Health Interview Survey from 1970 to 2016.ResultsOver the past two decades, the age-specific incidence of lung cancer has generally decreased among both men and women 30 to 54 years of age in all races and ethnic groups, but the declines among men have been steeper. Consequently, among non-Hispanic whites, the female-to-male incidence rate ratios increased, exceeding 1.0 in the age groups of 30 to 34, 35 to 39, 40 to 44, and 45 to 49 years. For example, the female-to-male incidence rate ratio among whites 40 to 44 years of age increased from 0.88 (95% confidence interval [CI], 0.84 to 0.92) during the 1995-1999 period to 1.17 (95% CI, 1.11 to 1.23) during the 2010-2014 period. The crossover in sex-specific rates occurred among non-Hispanic whites born since 1965. Sex-specific incidence rates converged among non-Hispanic blacks, Hispanics, and non-Hispanic Asians and Pacific Islanders but crossed over from a higher incidence among men to a higher incidence among women only among Hispanics. The prevalence of cigarette smoking among women born since 1965 has approached, but generally not exceeded, the prevalence among men.ConclusionsThe patterns of historically higher incidence rates of lung cancer among men than among women have reversed among non-Hispanic whites and Hispanics born since the mid-1960s, and they are not fully explained by sex differences in smoking behaviors. Future studies are needed to identify reasons for the higher incidence of lung cancer among young women. (Funded by the American Cancer Society.).

Dataset Information

Clustering of esophageal cancer among white men in the United States.

Publications

Clustering of esophageal cancer among white men in the United States.

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