Anna T. R. Legedza

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BACKGROUND We examined the patterns of nonvitamin dietary supplement (NVDS) use among adult prescription medication users in the United States. METHODS Using the 2002 National Health Interview Survey, we analyzed factors associated with NVDS use and prescription medication use in the prior 12 months with descriptive, chi(2), and logistic regression(More)
BACKGROUND Prayer is a common practice in the United States, yet little is known about the prevalence and patterns of use of prayer for health concerns. OBJECTIVE To determine the prevalence and patterns of use of prayer for health concerns. METHODS We conducted a national survey in 1998 (N = 2055, 60% weighted response rate) on use of prayer. Data were(More)
BACKGROUND AND AIM OF THE STUDY Aortic stenosis (AS) remains the most common valvular disease of the elderly in the United States. Though valve replacement has proven effective among older adults, decision-making regarding surgery is difficult for these patients and their physicians. Herein, the clinical outcomes and decision-making process for elderly(More)
BACKGROUND The association of acculturation and cardiovascular risk factor control among populations with high proportions of immigrants has not been well studied. METHODS We studied 1,492 Hispanic participants in the Multi-Ethnic Study of Atherosclerosis (MESA) with hypertension, hypercholesterolemia, and/or diabetes. We used linear regression to examine(More)
BACKGROUND Osteoarthritis (OA) of the hip and knee is a common cause of pain and disability in elderly patients. Joint replacement surgery can alleviate pain and restore function but is associated with risks and discomfort. METHODS We conducted a prospective cohort study to examine decision making and clinical outcomes for elderly patients (age >or=65(More)
STUDY DESIGN A randomized controlled trial. OBJECTIVE To investigate the effectiveness and cost of usual care plus patient choice of acupuncture, chiropractic, or massage therapy (choice) compared with usual care alone in patients with acute low back pain (LBP). SUMMARY OF BACKGROUND DATA Few studies have evaluated care models with facilitated access to(More)
OBJECTIVE To examine the patterns of herbal therapy use among adults in the United States and to describe factors associated with herb use. DESIGN We examined the use of natural herbs from the 2002 National Health Interview Survey (NHIS). We analyzed factors associated with herb use and reasons for herb use with logistic regression. RESULTS Factors(More)
BACKGROUND Little is known about the association between use of herbs and dietary supplements (HDS) and lifestyle/behavior factors in young adults in the US. METHODS Analyzing the 2002 National Health Interview Survey (NHIS), we examined the patterns of HDS (excluding vitamins/minerals) use among young adults in the United States using descriptive(More)
BACKGROUND Despite the apparent high placebo response rate in randomized placebo-controlled trials (RCT) of patients with irritable bowel syndrome (IBS), little is known about the variability and predictors of this response. OBJECTIVES To describe the magnitude of response in placebo arms of IBS clinical trials and to identify which factors predict the(More)
OBJECTIVES We estimated health care expenditures associated with overweight and obesity and examined the influence of age, race, and gender. METHODS Using 1998 Medical Expenditure Panel Survey data, we employed 2-stage modeling to estimate annual health care expenditures associated with high body mass index (BMI) and examine interactions between(More)