Briget da Graca, Benjamin D Pollock, Teresa K Phan, Chris Carlisi, Tavia I Gonzalez Peña, Giovanni Filardo
OBJECTIVE: Studies with authors trained in research methods are of higher quality than those without. We examined inclusion of authors with master's or doctoral degrees incorporating advanced research methods training on original research articles in high-impact journals, investigating differences between journals and by first-author sex. METHODS: Using all original research articles from 1 issue of The New England Journal of Medicine ( NEJM ), Journal of the American Medical Association ( JAMA ), Annals of Internal Medicine ( Annals ), and JAMA-Internal Medicine/Archives of Internal Medicine ( Archives ) every alternate month, February 1994 to October 2016, we assessed the prevalence of articles listing authors with master's/doctoral research degrees and its adjusted associations with time of publication, journal, and first-author sex via multivariable logistic regression models (accounting for number of authors, study type, specialty/topic, and continent and for interactions between journal and time of publication, study type, and continent)...
March 2019: Mayo Clinic Proceedings. Innovations, Quality & Outcomes