Joseph Friedman, MPH; David Kim, MD; Todd Schneberk, MD, MS; et al.
free access
JAMA Intern Med. 2019;179(4):469-476. doi:10.1001/jamainternmed.2018.6721
This California population-based study assesses differential exposure to opioids via the health care system by race/ethnicity and income and describes the observed social gradient of the current opioid epidemic.
Louise K. Francois Watkins, MD, MPH; Lesley McGee, PhD; Stephanie J. Schrag, DPhil; et al.
free access
JAMA Intern Med. 2019;179(4):479-488. doi:10.1001/jamainternmed.2018.7269
Using population-based surveillance data, this case study reports epidemiology trends in invasive group B Streptococcus disease among US nonpregnant adults according to demographic characteristics, underlying clinical conditions, and isolate characteristics.
Laure Schnabel, MD, MSc; Emmanuelle Kesse-Guyot, PhD; Benjamin Allès, PhD; et al.
free access
JAMA Intern Med. 2019;179(4):490-498. doi:10.1001/jamainternmed.2018.7289
This cohort study uses the self-reported food intake and other nutrition-related data of a large cohort of adults enrolled in the French NutriNet-Sant茅 Study to assess the association between ultraprocessed food consumption and risk of death from any cause.
Less Is More
Tim Badgery-Parker, MBiostat; Sallie-Anne Pearson, PhD; Susan Dunn; et al.
free access
JAMA Intern Med. 2019;179(4):499-505. doi:10.1001/jamainternmed.2018.7464
This descriptive analysis examines the incidence of hospital-acquired complications in a cohort of patients undergoing 1 of 7 procedures for which hospital admission is usually not needed.
Sanjay Basu, MD, PhD; Seth A. Berkowitz, MD, MPH; Robert L. Phillips, MD, MSPH; et al.
free access
JAMA Intern Med. 2019;179(4):506-514. doi:10.1001/jamainternmed.2018.7624
This epidemiological study evaluates the association of primary care physician supply and both all-cause and cause-specific mortality by comparing US population and insurance claims data with data on density of primary care physicians and specialist physician density.
Adi Leiba, MD, MHA; Boris Fishman, MD, MPH; Gilad Twig, MD, PhD; et al.
free access
JAMA Intern Med. 2019;179(4):517-523. doi:10.1001/jamainternmed.2018.7632
This cohort study examines nearly 50 years of medical data of adolescents conscripted into the Israel Defense Forces army to understand whether late-adolescence hypertension is a risk factor in the future development of end-stage renal disease.
Health Care Policy and Law
David J. Meyers, MPH; Emmanuelle Belanger, PhD; Nina Joyce, PhD; et al.
free access
JAMA Intern Med. 2019;179(4):524-532. doi:10.1001/jamainternmed.2018.7639
This cross-sectional study characterizes trends in switching to and from Medicare Advantage plans among high-need beneficiaries and evaluates the drivers of disenrollment decisions among US Medicare enrollees.
Jordan K. Schaefer, MD; Yun Li, PhD; Xiaokui Gu, MD, MA; et al.
free access
JAMA Intern Med. 2019;179(4):533-541. doi:10.1001/jamainternmed.2018.7816
This registry-based cohort study compares adverse event rates up to 3 years after initiation of treatment among patients receiving combination warfarin and aspirin therapy (without a therapeutic indication for aspirin use) vs those receiving warfarin monotherapy.
Sushrut S. Waikar, MD, MPH; Anand Srivastava, MD, MPH; Ragnar Palsson, MD; et al.
free access
JAMA Intern Med. 2019;179(4):542-551. doi:10.1001/jamainternmed.2018.7980
This study assesses whether urinary oxalate excretion predisposes patients to more rapid progression of chronic kidney disease.