Publications by authors named "Roslyn A Stone"

Background: On April 23, 2014, US media outlets broadcast reports of excessive wait times and "secret" waitlists at some Veterans Affairs (VA) hospitals, precipitating legislation to increase Veterans' access to private sector health care.

Objective: The aims were to assess changes in Veterans' distrust in the VA health care system before and after the media coverage and explore sex and racial/ethnic differences in the temporal patterns.

Methods: Veterans completed semistructured interviews on health care satisfaction from June 2013 to January 2015, including a validated scale of health system distrust (range: 1-5).

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Background: The 2014 Veterans Access, Choice and Accountability Act (i.e., "Choice") allows eligible Veterans to receive covered health care outside the Veterans Affairs (VA) Healthcare System.

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Article Synopsis
  • The study aimed to evaluate Veteran satisfaction with VA health care, focusing on racial/ethnic and gender differences among participants from diverse backgrounds across 25 VA Medical Centers from June 2013 to January 2015.
  • A total of 1,222 out of 1,929 eligible Veterans were interviewed, with satisfaction measured across 16 domains using a five-point scale; results showed relatively high satisfaction in areas like costs and outpatient services, but lower satisfaction in access and mental health care.
  • Although overall satisfaction levels did not show significant differences by race or gender, some specific domains revealed minor variations in satisfaction among different groups, indicating the complexity of patient experiences within the VA system.
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Background: Despite perceptions that institutional review boards (IRBs) delay research, little is known about how long it takes to secure IRB approval. We retrospectively quantified IRB review times at 10 large Veterans Affairs (VA) IRBs.

Methods: We collected IRB records pertaining to a stratified random sample of research protocols drawn from 10 of the 26 largest VA IRBs.

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Objective: To evaluate the efficacy of behavioral counseling combined with technology-based self-monitoring for sodium restriction in hemodialysis (HD) patients.

Design: Randomized clinical trial.

Subjects: English literate adults undergoing outpatient, in-center intermittent HD for at least 3 months.

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Introduction: As satisfied patients are more adherent and play a more active role in their own care, a better understanding of factors associated with patient satisfaction is important.

Purpose: In response to a United States Veterans Administration (VA) Hospital Report Card that revealed lower levels of satisfaction with health care for African Americans compared to Whites, we conducted a mixed methods pilot study to obtain preliminary qualitative and quantitative information about possible underlying reasons for these racial differences.

Methods: We conducted telephone interviews with 30 African American and 31 White veterans with recent inpatient and/or outpatient health care visits at three urban VA Medical Centers.

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The purpose of this 2-arm randomized clinical trial was to evaluate the effectiveness of a 12-month, expert system-based, print-delivered physical activity intervention in a primary care Veteran population in Pittsburgh, Pennsylvania. Participants were not excluded for many health conditions that typically are exclusionary criteria in physical activity trials. The primary outcome measures were physical activity reported using the Community Healthy Activities Model Program for Seniors (CHAMPS) questionnaire and an accelerometer-based activity assessment at baseline, 6, and 12 months.

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Background: Institutional Review Boards (IRBs) have been criticized for inconsistency, delay, and bias, suggesting an opportunity for quality improvement. To aid such quality improvement, this study aimed at determining IRB members' and investigators' priorities regarding IRB review at 10 Veterans Affairs (VA) IRBs.

Methods: 680 anonymous internet surveys were sent to 252 IRB members and staff, and 428 principal investigators and project coordinators at 9 VA Medical Centers and the VA Central IRB.

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Institutional Review Boards (IRBs) are intended to protect those who participate in research. However, because there is no established measure of IRB quality, it is unclear whether these committees achieve their goal. The IRB Researcher Assessment Tool is a previously validated, internally normed, proxy measure of IRB quality that assesses 45 distinct IRB activities and functions.

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Background: Accurate analysis of health problems facing rural residents depends on how rurality is defined. Health services research relies frequently on the rural urban commuting area (RUCA) codes to estimate rurality at the small area level. We modified the county-level Index of Relative Rurality (IRR) to the ZIP code level (IRRZIP ) to create an alternative small-area-level rural classification system.

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Background: Given the paucity of information on dose intensity, the objective of this study is to describe the use of adjuvant chemotherapy for stage III colon cancer, focusing on relative dose intensity (RDI), overall survival (OS) and disease-free survival (DFS).

Methods: Retrospective cohort of 367 patients diagnosed with stage III colon cancer in 2003-2008 and treated at 19 VA medical centers. Kaplan-Meier curves summarize 5-year OS and 3-year DFS by chemotherapy regimen and RDI, and multivariable Cox proportional hazards regression was used to model these associations.

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Objectives: To describe the prevalence of and factors associated with drug-disease interactions (DDIs) in older nursing home residents according to the American Geriatrics Society 2012 Beers Criteria.

Design: Cross-sectional.

Setting: Fifteen Veterans Affairs Community Living Centers.

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Importance: Despite growing concern that institutional review boards (IRBs) impose burdensome delays on research, little is known about the time required for IRB review across different types of research.

Objective: To measure the overall and incremental process times for IRB review as a process of quality improvement.

Design, Setting, And Participants: After developing a detailed process flowchart of the IRB review process, 2 analysts abstracted temporal data from the records pertaining to all 103 protocols newly submitted to the IRB at a large urban Veterans Affairs medical center from June 1, 2009, through May 31, 2011.

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Background: Nursing home patients with dementia may be more likely to suffer adverse drug events from suboptimal prescribing. Previous studies have not used national samples, nor have they examined multiple types of suboptimal prescribing by dementia severity.

Objective: To examine the prevalence of and factors associated with potentially suboptimal prescribing in older veteran nursing home patients with dementia.

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Background: Much of the existing literature on physical activity (PA) interventions involves physically inactive individuals recruited from community settings rather than clinical practice settings. Recruitment of patients into interventions in clinical practice settings is difficult due to limited time available in the clinic, identification of appropriate personnel to efficiently conduct the process, and time-consuming methods of recruitment. The purpose of this report is to describe the approach used to identify and recruit veterans from the Veterans Affairs (VA) Pittsburgh Healthcare System Primary Care Clinic into a randomized controlled PA study.

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Objectives: To describe changes in rosiglitazone prescribing following the US Food and Drug Administration (FDA) warning of potentially increased risk of myocardial infarction and removal from the Department of Veterans Affairs National Formulary (VANF), assess patient-level factors associated with rosiglitazone discontinuation, and evaluate changes in glucose control.

Study Design: Historical cohort.

Methods: Veterans with an active outpatient prescription for rosiglitazone on April 1, 2007, were followed until June 30, 2008.

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Background: Pharmacists successfully manage patients with anemia and chronic kidney disease (CKD), but the cost effectiveness of these programs is unknown.

Objective: To compare the cost effectiveness of pharmacist-managed erythropoiesis-stimulating agent (ESA) clinics with that of usual care in patients with non-dialysis-dependent (NDD)-CKD.

Methods: A Markov model was used to estimate the incremental cost effectiveness of pharmacist-managed ESA clinics compared with usual care in outpatient veterans receiving ESAs for NDD-CKD in 2009.

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Background: Antipsychotic medications are commonly prescribed to nursing home residents despite their well-established adverse event profiles. Because little is known about their use in Veterans Affairs (VA) nursing homes [ie, Community Living Centers (CLCs)], we assessed the prevalence and risk factors for antipsychotic use in older residents of VA CLCs.

Methods: This cross-sectional study included 3692 Veterans age 65 or older who were admitted between January 2004 and June 2005 to one of 133 VA CLCs and had a stay of ≥90 days.

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Background: Circulating estrogens are associated with increased breast cancer risk, yet the role of estrogen metabolites in breast carcinogenesis remains unclear. This combined analysis of 5 published studies evaluates urinary 2-hydroxyestrone (2-OHE1), 16α-hydroxyestrone (16α-OHE1), and their ratio (2:16α-OHE1) in relation to breast cancer risk.

Methods: Primary data on 726 premenopausal women (183 invasive breast cancer cases and 543 controls) and 1,108 postmenopausal women (385 invasive breast cancer cases and 723 controls) were analyzed.

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Background: Maternal exposure to ambient air pollution has been associated with adverse birth outcomes such as preterm delivery. However, only one study to date has linked air pollution to blood pressure changes during pregnancy, a period of dramatic cardiovascular function changes.

Objectives: We examined whether maternal exposures to criteria air pollutants, including particles of less than 10 μm (PM(10)) or 2.

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Background: Behavioral research to improve lifestyle in broadly defined populations of patients with type 2 diabetes is limited.

Objective: We evaluated a behavioral intervention featuring technology-based self-monitoring on biophysiologic outcomes of glycemic control and markers of cardiovascular risk.

Design: In this single-site, randomized clinical trial, participants were stratified by good and poor glycemic control (glycated hemoglobin <8% or ≥8%) and absence or presence of kidney disease, (estimated glomerular filtration rate ≥60 or <60 mL/min) and randomized within strata.

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Background: Erythropoiesis-stimulating agents (ESAs) are associated with serious adverse events, and maintaining hemoglobin levels within a narrow range can be difficult. We examined the quality of ESA prescribing and monitoring in pharmacist-managed ESA clinics versus usual care in patients with non-dialysis-dependent chronic kidney disease (NDD-CKD).

Study Design: Historical cohort.

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Background: Telemonitoring interventions featuring transmission of home glucose records to healthcare providers have resulted in improved glycemic control in patients with diabetes. No research has addressed the intensity or duration of telemonitoring required to sustain such improvements.

Purpose: The DiaTel study (10 January 2005 to 1 November 2007) compared active care management (ACM) with home telemonitoring (n=73) to monthly care coordination (CC) telephone calls (n=77) among veterans with diabetes and suboptimal glycemic control.

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