Lung cancer incidence trends among men and women--United States, 2005-2009.
Level 4 - case-series / case-control
Population-based cancer registry surveillance analysis (ecological/trend study)
What was done
The CDC analyzed US lung cancer incidence trends among men and women across age groups from 2005 through 2009 using combined registry data from the National Program of Cancer Registries (NPCR) and the National Cancer Institute's Surveillance, Epidemiology, and End Results (SEER) program.
What was found
The abstract reports directional trends without numerical rates, percentage changes, or statistical intervals: - Lung cancer incidence decreased among men across all age brackets except those aged <35 years. - Incidence decreased among women aged 35–44 years and 54–64 years. - Rates declined more rapidly in men than in women, and most rapidly in adults aged 35–44 years compared with other age groups.
Why it matters
Monitoring age-stratified lung cancer incidence—especially among younger adults—provides a sentinel indicator of the population-level impact of tobacco control interventions and changing smoking exposures.
Limits
The abstract reports no exact incidence numbers, rate ratios, or measures of variance. As an aggregate surveillance study, it does not assess individual-level smoking history, environmental exposures, histology, or socioeconomic factors. The data are restricted to the 2005–2009 period.
Cited by
- supports In the United States, 80 to 90 percent of lung cancer cases occur in people who smoke.