Irina O Karpov

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STUDY OBJECTIVES We evaluated associations among subjective and objective measures of sleep and the metabolic syndrome in a multi-ethnic sample of midlife women. DESIGN Cross-sectional study. SETTING Participants' homes. PARTICIPANTS Caucasian (n = 158), African American (n = 125), and Chinese women (n = 57); mean age = 51 years. Age range = 46-57(More)
PURPOSE The aim of this study was to develop an evidence-based communication skills training workshop to improve the communication skills of critical care fellows. MATERIALS AND METHODS Pulmonary and critical care fellows (N = 38) participated in a 3-day communication skills workshop between 2008 and 2010 involving brief didactic talks, faculty(More)
BACKGROUND Breast cancer is an issue of serious concern among women of all ages. The extent to which providers across primary care specialties assess breast cancer risk and discuss chemoprevention is unknown. METHODS Cross-sectional web-based survey completed by 316 physicians in internal medicine (IM), family medicine (FM), and gynecology (GYN) from(More)
BACKGROUND AND OBJECTIVES Novel individualized quality-of-life (IQOL) measures permit patients with chronic kidney disease (CKD) to nominate unique areas of their lives that contribute to their well-being. This study assessed for differences in domains nominated by patients with CKD. We also examined the strength of association between (1) multidimensional(More)
BACKGROUND In 2009, the U.S. Preventive Services Task Force (USPSTF) guidelines for screening mammography changed significantly, and are now in direct conflict with screening guidelines of other major national organizations. The extent to which physicians in different primary care specialties adhere to current USPSTF guidelines is unknown. METHODS We(More)
BACKGROUND AND OBJECTIVES Healthcare providers communicate the risks and benefits of treatments using frequencies, percentages, or proportions. However, many patients lack the numerical skills needed to interpret this information accurately to make informed choices. DESIGN, SETTING, PARTICIPANTS, AND MEASUREMENTS We assessed numeracy, the capacity to use(More)
BACKGROUND & AIMS Polycystic liver disease (PLD), the most common extrarenal manifestation of autosomal-dominant polycystic kidney disease (ADPKD), has become more prevalent as a result of increased life expectancy, improved renal survival, reduced cardiovascular mortality, and renal replacement therapy. No studies have fully characterized PLD in large(More)
OBJECTIVES This study compared African Americans' and Caucasians' willingness to participate in an indicated intervention to prevent depression with problem-solving therapy. It also examined participants' problem-solving skills. Hypotheses stated that there would be no racial differences in consent rates and that social problem-solving coping skills would(More)
BACKGROUND In 2009, the American Congress of Obstetrics and Gynecology (ACOG) guidelines for cervical cancer screening changed significantly, to recommend less frequent screening than prior guidelines. The extent to which physicians in different specialties implemented these guidelines in the years following publication is unknown. METHODS Cross-sectional(More)
OBJECTIVES To explore the relationship between plasma concentrations of caffeine and subjective and polysomnographic measures of sleep in both good sleeper controls (GSC) and individuals with primary insomnia (PI), following the consumption of low-moderate quantities of caffeine in the home environment. METHODS 65 PI and 29 GSC, each consuming < 4 four(More)