Publications by authors named "Lou Grothaus"

Objective: To examine whether self-reported sitting time is related to various health indicators, health costs, and utilization in adults over age 65.

Methods: A retrospective cross-sectional cohort study was conducted using the electronic health record (EHR) from an integrated health system in Washington State. Members who completed an online health risk assessment (HRA) between 2009 and 2011 (N = 3538) were eligible.

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Background And Objectives: Physicians have a major influence on parental vaccine decisions. We tested a physician-targeted communication intervention designed to (1) reduce vaccine hesitancy in mothers of infants seen by trained physicians and (2) increase physician confidence in communicating about vaccines.

Methods: We conducted a community-based, clinic-level, 2-arm cluster randomized trial in Washington State.

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Objectives: Physical activity levels are low among older adults. Many Medicare members have access to low-cost programs including Silver Sneakers (SS) and EnhanceFitness (EF) at no additional cost, however, utilization of these programs is low. We aimed to compare characteristics of people using SS and EF to nonusers of these programs to better understand the characteristics of these 2 populations and to guide future physical activity promotion program design.

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Background: Alcohol use, and particularly unhealthy alcohol use, is associated with poor human immunodeficiency virus (HIV)-related outcomes among persons living with HIV (PLWH). Despite a rapidly growing proportion of PLWH ≥50 years, alcohol use and its associated characteristics are underdescribed in this population. The authors describe alcohol use, severity, and associated characteristics using data from a sample of PLWH ≥50 years who participated in a trial of a telephone-based intervention to improve adherence to antiretroviral therapy (ART).

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Objectives: Secure messaging and phone encounters are becoming widespread to increase patient access to providers between ambulatory care visits. Although these encounters have the potential to improve the control of diabetes risk factors,we know little about their content in relation to traditional in-person visits.

Study Design: Cross-sectional analysis of survey and electronic health record data of patients with diabetes receiving care at Group Health Cooperative in 2008 to 2009.

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The population of persons living with HIV (PLWH) is growing older and more prone to developing other chronic health conditions. Disease progression has been shown to be related to quality of life (QoL). However, descriptions of chronic comorbid illnesses and the unique QoL challenges of older adults living with HIV are not well understood and have not been examined in multiple geographic locations.

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Background: Several small, uncontrolled studies have found improvements in self-care behaviors and reductions in clinical risk in persons with type 2 diabetes who received care from licensed naturopathic physicians. To extend these findings and determine the feasibility and promise of a randomized clinical trial, we conducted a prospective study to measure the effects of adjunctive naturopathic care (ANC) in primary care patients with inadequately controlled type 2 diabetes.

Methods: Forty patients with type 2 diabetes were invited from a large integrated health care system to receive up to eight ANC visits for up to one year.

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Background: Previous studies have documented racial/ethnic differences in patients' use of websites providing shared electronic medical records between patients and health care professionals. Less is known about whether these are driven by patient-level preferences and/or barriers versus broader provider or system factors.

Methods: Cross-sectional study of diabetes patients in an integrated delivery system in 2008-2009.

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Background: Very little research has explored the factors that influence interest in complementary and alternative medicine (CAM) treatments. We surveyed persons with sub-optimally controlled type 2 diabetes to evaluate potential relationships between interest in complementary and alternative medicine (CAM) treatments, current self-care practices, motivation to improve self-care practices and satisfaction with current health care for diabetes.

Methods: 321 patients from a large integrated healthcare system with type 2 diabetes, who were not using insulin and had hemoglobin A1c values between 7.

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Background: Interventions are needed which can successfully modify more than one disease risk factor at a time, but much remains to be learned about the acceptability, feasibility, and effectiveness of multiple risk factor (MRF) interventions. To address these issues and inform future intervention development, we conducted a randomized pilot trial (n = 52). This study was designed to assess the feasibility and acceptability of the Step Up program, a MRF cognitive-behavioral program designed to improve participants' mental and physical well-being by reducing depressive symptoms, promoting smoking cessation, and increasing physical activity.

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Background: Prescribing and counseling practices in hormone therapy (HT) since publication of the Women's Health Initiative (WHI) trials have changed. Our objective was to compare changes by practice field and region.

Methods: Between December 2005 and May 2006, we mailed surveys to 938 practitioners from two large integrated health systems in the Northeastern and Northwestern United States.

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Objective: Evaluate use of a web-based shared medical record (SMR) between older patients with diabetes and providers.

Research Design And Methods: This was a retrospective cohort study. Health records and SMR use patterns of 6,185 enrollees aged ≥65 years with diabetes were analyzed from implementation of a SMR in August 2003 through December 2007.

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Objective: Effective dietary intervention strategies that can be widely disseminated and have the potential for sustainable dietary modifications are needed. The purpose of this study was to describe and evaluate the effectiveness of a telephone-based soy intervention.

Design: A randomized controlled trial comparing self-reported intake and serum measures of soy during a 1-year dietary soy (Soy) to fruit and vegetable (Placebo) intervention conducted in two of five arms from the Herbal Alternatives Trial between May 2001 and September 2004.

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Objective: We compared long-term outcomes among smokers with and without impaired lung functioning who received brief counseling highlighting their spirometric test results.

Methods: Participants in this analysis all received a brief motivational intervention for smoking cessation including spirometric testing and feedback ( approximately 20 min), were advised to quit smoking, offered free access to a phone-based smoking cessation program, and followed for one year. Outcomes were analyzed for smokers with (n=99) and without (n=168) impaired lung function.

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We designed a randomized double-blind randomized trial to examine the short and long-term effects of alternative approaches commonly used to manage menopause symptoms. Women were randomly assigned to: (1) black cohosh 160 mg daily; (2) multibotanical (50 mg black cohosh, alfalfa, chaste tree, dong quai, false unicorn, licorice, oats, pomegranate, Siberian ginseng, boron) four capsules daily; (3) multibotanical plus telephone counseling to increase dietary soy; (4) conjugated equine estrogen 0.625 mg +/- 2.

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Introduction: Providing smokers with biologically based evidence of smoking-related disease risk or physical impairment may be an effective way to motivate cessation.

Methods: Smokers were recruited for a free health risk assessment and randomized to receive personally tailored feedback based on their lung functioning, carbon monoxide (CO) exposure, and smoking-related health conditions or generic information about the risks of smoking and personalized counseling based on their diet, body mass index, and physical activity. All (n = 536) were advised to quit smoking and offered access to a free telephone cessation program.

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Objectives: To assess the effect of a team of geriatrics specialists on the practice style of primary care providers (PCPs) and the functioning of their patients aged 75 and older.

Design: Randomized, controlled trial.

Setting: Two primary care clinics in the Seattle, Washington, area.

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Background: The landmark Women's Health Initiative (WHI) Postmenopausal Hormone Therapy Trial published in 2002 showed that the health risks of combination hormone therapy (HT) with estrogen and progestin outweighed the benefits in healthy postmenopausal women. Dissemination of results had a major impact on prescriptions for, and physician beliefs about HT. No study has fully examined the influence of the widely publicized WHI on physicians' practice and attitudes or their opinions of the scientific evidence regarding HT; in addition, little is known about how physicians assist women in their decisions regarding HT.

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Objective: The objective of the study was to evaluate the association of depression, sleep disturbance, and menopausal symptoms with diminished libido.

Study Design: Data from a 2001-2002 baseline survey of 341 peri- and postmenopausal women, aged 45-55 years, participating in a randomized trial, was analyzed. Eligibility included at least 2 hot flashes and/or night sweats per day and no hormone therapy for at least the prior 3 months.

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Purpose: To identify modifiable correlates of chlamydia screening that could offer intervention targets to enhance screening.

Methods: We surveyed a representative sample of primary care providers (n = 186) at an integrated healthcare delivery system to document their self-reported adherence to annual screening of sexually-active adolescents and to identify specific, modifiable constructs that were correlated with annual chlamydia screening. To cross-validate providers' self-report, we also used automated data to examine adolescent screening in an anonymous sample of primary care providers (n = 143).

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We designed a randomized double-blind randomized trial to examine the short and long-term effects of alternative approaches commonly used to manage menopause symptoms. Women were randomly assigned to: (1) black cohosh 160 mg daily; (2) multibotanical (50 mg black cohosh, alfalfa, chaste tree, dong quai, false unicorn, licorice, oats, pomegranate, Siberian ginseng, boron) four capsules daily; (3) multibotanical plus telephone counseling to increase dietary soy; (4) conjugated equine estrogen 0.625 mg +/- 2.

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Article Synopsis
  • Longitudinal relationships between patients and providers are essential in primary care, especially for preventive services like chlamydia screening among young women.
  • The study analyzed data from 4,117 sexually active women aged 14-25 years, revealing that only 57.2% received a chlamydia test over two years.
  • Results showed that those with less continuity of care had a 41% higher likelihood of being tested for chlamydia, suggesting that frequent provider changes may encourage more testing among this demographic.
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Objective: To examine preadolescent and parental recall of tobacco prevention messages by health care providers.

Methods: As part of a smoking prevention trial, providers were cued to reinforce the study and advise intervention participants (N=4,026) not to use tobacco. All parents were surveyed at baseline; children were surveyed at 20 months; and a subsample (504 households) was surveyed at 6 and 12 months to assess discussion of tobacco use prevention and other health behavior topics by providers as well as susceptibility and experimentation with tobacco among children.

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Objectives: To examine provider determinants of new-onset disability in basic activities of daily living (ADLs) in community-dwelling elderly.

Design: Observational study.

Setting: King County, Washington.

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Objective: To characterize and describe variability in processes of asthma care and services tailored for low-income populations in practice sites participating in Medicaid managed care (MMC).

Study Setting: Eighty-five practice sites affiliated with five not-for-profit organizations participating in managed Medicaid (three group-model health maintenance organizations [HMOs] and two Medicaid managed care organizations [MCOs]).

Study Design/data Collection: We conducted a mail survey of managed care practice site informants using a conceptual model that included chronic illness care and services targeting low-income populations.

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