HealthDay News — The incidence rates of lung cancer declined in most age and sex groups from 2007 to 2016, with the smallest decrease seen among women living in nonmetropolitan counties, according to research published in the Nov. 8 issue of the U.S. Centers for Disease Control and Prevention Morbidity and Mortality Weekly Report.

Mary Elizabeth O’Neil, M.P.H., from the CDC in Atlanta, and colleagues analyzed data from the U.S. Cancer Statistics during 2007 to 2016 to examine whether lung cancer incidence trends among nonmetropolitan and metropolitan counties differed by age and sex.

The researchers found that lung cancer incidence rates were stable among women aged <35, 45 to 65, and ≥75 years in nonmetropolitan countries, were stable in women aged <35 years in metropolitan counties, and decreased in all other groups during the study period. Among men, the incidence rates of lung cancer decreased from 99 to 82 and from 83 to 63 per 100,000 in nonmetropolitan and metropolitan areas, respectively. Lung cancer incidence rates decreased among women from 61 to 58 and from 57 to 50 per 100,000 in nonmetropolitan and metropolitan areas, respectively.

“Increasing the implementation of proven population-based lung cancer prevention and control strategies, particularly among persons living in nonmetropolitan areas, might help to reduce disparities in the decline of lung cancer incidence,” the authors write.

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