Publications by authors named "W Jay Christian"

Purpose: We conducted this study to assess cannabis use rates in the state of Kentucky relative to socioeconomic, demographic, and geographic factors, as well as reasons for use and modes of use, before the legal medical marijuana market commences in 2025.

Methods: We pooled Kentucky Behavioral Risk Factor Surveillance System (BRFSS) data for 2020-2021 and used weighted responses for all analyses. We estimated current cannabis use (at least once in the past 30 days), and heavy use (at least 20 of the past 30 days) prevalence rates for Appalachian, Delta, and Central geographic regions of Kentucky.

View Article and Find Full Text PDF

Decreases in lung cancer incidence in the United States (US) have paralleled decreasing smoking prevalence for several decades; however, recent data has revealed slower declines among females than males. Sex-based differences in histologic lung cancer-and specifically adenocarcinoma-for all 50 US states and the District of Columbia have never been investigated. Using population-based cancer registry data from the US Cancer Statistics, we examined age-adjusted histologic lung cancer incidence rates and trends by sex and state of residence at diagnosis.

View Article and Find Full Text PDF

Chemical characterization of medical devices uses the analytical evaluation threshold (AET) to determine reportable organic extractables, as these chemicals may be of toxicological concern and should be addressed via toxicological risk assessment. The AET is not applicable to metal extractables due to the exclusion of toxicity data on inorganics from the dataset used to derive dose-based threshold (DBT) values. This results in minimal guidance for reporting metal extractables.

View Article and Find Full Text PDF