sociated with improvements in numerous health conditions, including coronary artery disease, hypertension, stroke, insulin sensitivity, osteoporosis, and depression. [1][2][3][4] Because of these extensive health benefits, the Department of Health and Human Services recommends "physical activity most days of the week for at least 30 minutes for adults." 5 Despite these recommendations and the well-documented evidence that physical activity is beneficial, more than half of all adults in the United States do not get adequate physical activity and approximately one quarter do not get any leisure time physical activity. 6 The costs associated with physical inactivity are high. For example, if 10% of adults in the United States began a regular walking program, an estimated $5.6 billion in heart disease costs could be saved. 6 Pedometers are small, relatively inexpensive CME available online at www.jama.com

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IMPORTANCE The coronavirus disease 2019 (COVID-19) pandemic has placed unprecedented strain on patients and health care professionals and institutions, but the association of the pandemic with use of preventive, elective, and nonelective care, as well as potential disparities in use of health care, remain unknown. OBJECTIVE To examine changes in health care use during the first 2 months of the COVID-19 pandemic in March and April of 2020 relative to March and April of 2019 and 2018, and to examine whether changes in use differ by patient's zip code-level race/ethnicity or income. DESIGN, SETTING, AND PARTICIPANTS This cross-sectional study analyzed health insurance claims for patients from all 50 US states who receive health insurance through their employers. Changes in use of preventive services, nonelective care, elective procedures, prescription drugs, in-person office visits, and telemedicine visits were examined during the first 2 months of the COVID-19 pandemic in 2020 relative to existing trends in 2019 and 2018. Disparities in the association of the pandemic with health care use based on patient's zip code-level race and income were also examined.

None.

BACKGROUND: Impostor syndrome is increasingly presented in the media and lay literature as a key behavioral health condition impairing professional performance and contributing to burnout. However, there is no published review of the evidence to guide the diagnosis or treatment of patients presenting with impostor syndrome. PURPOSE: To evaluate the evidence on the prevalence, predictors, comorbidities, and treatment of impostor syndrome. DATA SOURCES: Medline, Embase, and PsycINFO (January 1966 to May 2018) and bibliographies of retrieved articles. STUDY SELECTION: English-language reports of evaluations of the prevalence, predictors, comorbidities, or treatment of impostor syndrome. DATA EXTRACTION: Two independent investigators extracted data on study variables (e.g., study methodology, treatments provided); participant variables (e.g., demographics, professional setting); diagnostic tools used, outcome variables (e.g., workplace performance, reductions in comorbid conditions); and pre-defined quality variables (e.g., human subjects approval, response rates reported). DATA SYNTHESIS: In total, 62 studies of 14,161 participants met the inclusion criteria (half were published in the past 6 years). Prevalence rates of impostor syndrome varied widely from 9 to 82% largely depending on the screening tool and cutoff used to assess symptoms and were particularly high among ethnic minority groups. Impostor syndrome was common among both men and women and across a range of age groups (adolescents to late-stage professionals). Impostor syndrome is often comorbid with depression and anxiety and is associated with impaired job performance, job satisfaction, and burnout among various employee populations including clinicians. No published studies evaluated treatments for this condition. LIMITATIONS: Studies were heterogeneous; publication bias may be present. CONCLUSIONS: Clinicians and employers should be mindful of the prevalence of impostor syndrome among professional populations and take steps to assess for impostor feelings and common comorbidities. Future research should include evaluations of treatments to mitigate impostor symptoms and its common comorbidities.