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Introduction
Publications
Publications (275)
Objectives
Sleep disturbances are highly prevalent and have adverse health consequences for both people living with dementia and their carepartners. Despite this, they are under-addressed caregiving settings. This study aimed to explore these sleep disturbances and co-design a multimodal sleep intervention for people living with dementia and their...
Background
Changes in sleep, physical activity and mental health were observed in older adults during early stages of the COVID-19 pandemic. Here we describe effects of the COVID-19 pandemic on older adult mental health, wellbeing, and lifestyle behaviors and explore predictors of better mid-pandemic mental health and wellbeing.
Methods
Participan...
Objective
Poor sleep is associated with increased inflammation, thereby increasing the risk of chronic diseases and mortality. However, the effects of behavioral sleep interventions on the upstream inflammatory system are unknown among family care partners (CP). The present study explored the role of a behavioral sleep intervention program on infla...
Background
We examined whether trajectories of cognitive function over 10 years predict later-life physical activity (PA), sedentary time (ST), and sleep.
Methods
Participants were from the Adult Changes in Thought (ACT) cohort study. We included 611 ACT participants who wore accelerometers and had 3+ measures of cognition in the 10 years prior to...
Background:
Chronic insomnia is common in patients undergoing in-center hemodialysis, yet there is limited evidence on effective treatments for this population.
Objective:
To compare the effectiveness of cognitive behavioral therapy for insomnia (CBT-I), trazodone, and placebo for insomnia in patients undergoing long-term hemodialysis.
Design:...
Background
Untreated sleep problems in both persons living with dementia (PLWD) and their family care partners (CP) impact their health and quality of life. This pilot study tested a sleep intervention program for both dyad members.
Methods
Thirty dyads were randomized to a 5‐session Care2Sleep intervention ( n = 15 dyads) or an information‐only c...
Background
Untreated sleep problems in persons living with dementia (PLWD) and their caregivers impact health outcomes of both individuals and impair quality of care for caregivers. This study pilot tested preliminary effects of a dyadic sleep intervention program among this group.
Method
Thirty PLWD/caregiver dyads were randomized to a 5‐session...
Background
Quality of life (QOL) of people living with dementia (PLWD) does not necessarily decrease as the disease progresses and understanding multiple aspects of QOL is an integral part of dementia care. Prior evidence suggests a discrepancy between caregiver‐ and care recipient‐rated QOL of PLWD, yet factors related to this QOL are still lackin...
Evidence-based non-pharmacological community programs to improve care of older adults with dementia are growing. However, many programs have historically been tested in research studies that fail to reach medically underserved populations or communities with unique service needs. STAR-Caregivers (STAR-C, also known as STAR-Community Consultants) is...
The STAR-Caregivers program is efficacious in reducing the behavioral and psychological symptoms of dementia (BPSD). In this pragmatic trial, we are testing a 6-session, self-directed, online version of the program that leverages secure email, an online learning management system, and brief coaching telephone calls to expand access to training. Thi...
Background
Disturbed sleep is common among people living with dementia and their informal caregivers, and is associated with negative health outcomes. Dyadic, multi-modal interventions targeting caregiver and care-recipient sleep have been recommended yet remain limited. This protocol details the development of a single-arm feasibility trial of a m...
Background
Fatigue is prevalent in subarachnoid hemorrhage (SAH) survivors. Biological mechanisms underlying fatigue post-SAH are not clear. Inflammation may contribute to the development of fatigue. This study aimed to examine the associations between inflammatory markers and fatigue during the first 6 months post-SAH. Specific biomarkers examined...
The 24-h activity cycle (24HAC) is a new paradigm for studying activity behaviors in relation to health outcomes. This approach inherently captures the interrelatedness of the daily time spent in physical activity (PA), sedentary behavior (SB), and sleep. We describe three popular approaches for modeling outcome associations with the 24HAC exposure...
The 24-hour activity cycle (24HAC) is a new paradigm for studying activity behaviors in relation to health outcomes. This approach captures the interrelatedness of the daily time spent in physical activity (PA), sedentary behavior (SB), and sleep. We illustrate and compare the use of three popular approaches, namely isotemporal substitution model (...
Objectives
The study aimed to describe daily sleep characteristics for dementia care dyads in the context of adult day services (ADS) use and examine the associations with sleep quality and daytime functioning (fatigue, affect, and behavior problems).
Methods
Caregivers (CG; N = 173) reported daily bedtime, wake time, and sleep quality for themsel...
Purpose:
To investigate whether associations between diabetic retinopathy (DR) and dementia and Alzheimer's disease (AD) remain significant after controlling for several measures of diabetes severity.
Design:
Retrospective cohort study.
Methods:
ACT is a prospective cohort study of adults ≥ 65 years, randomly selected and recruited from the me...
Background: Survivors of acute respiratory failure (ARF) experience long-term cognitive impairment and circadian rhythm disturbance after hospital discharge. Although prior studies in aging and neurodegenerative diseases indicate actigraphy-estimated rest-activity circadian rhythm disturbances are risk factors for cognitive impairment, it is unclea...
Subarachnoid hemorrhage (SAH) survivors often experience sleep disturbances. Little is known about sleep-management practices used to improve their sleep. The purpose of this qualitative study was to explore interest in and engagement with self-management practices to promote sleep health in SAH survivors. We conducted a cross-sectional qualitative...
STAR-Caregivers Virtual Training and Follow-up (STAR-VTF) is adapted from an evidence-based, in-person program that teaches family caregivers to manage behavioral and psychological symptoms of dementia (BPSD). The study objective was to understand the needs of family caregivers for improving BPSD management and the extent to which caregivers percei...
STAR Caregivers is an evidence-based intervention designed to reduce caregiver burden for caregivers of people living with dementia. This study translated the paper-based, face-to-face intervention into a 6-session, self-directed online learning program supported by 6, 30-minute telephone calls with a clinically trained coach. Our approach is desig...
Sleep is critical for health and well-being among both persons with dementia (PwD) and their family caregivers (CG). This study described sleep characteristics for dementia family care dyads, then examined the associations with sleep quality, daytime functioning, and mood in the context of Adult Day Services (ADS) use. Caregivers (n = 173) reported...
Importance
Visual function is important for older adults. Interventions to preserve vision, such as cataract extraction, may modify dementia risk.
Objective
To determine whether cataract extraction is associated with reduced risk of dementia among older adults.
Design, Setting, and Participants
This prospective, longitudinal cohort study analyzed...
Background
Operationalizations of mild cognitive impairment (MCI) are inconsistent. Actuarial criteria have been proposed to improve accuracy. We investigated dementia and Alzheimer’s disease (AD) conversion for conventional versus actuarial MCI criteria in a community‐based prospective cohort study.
Method
1413 non‐demented participants were admi...
Importance:
Age-related hearing difficulties can include problems with signal audibility and central auditory processing. Studies have demonstrated associations between audibility and dementia risk. To our knowledge, limited data exist to determine whether audibility, central processing, or both drive these associations.
Objective:
To determine...
Background:
Osteoarthritis-related insomnia is the most common form of comorbid insomnia among older Americans. A randomized clinical trial found that six sessions of telephone-delivered cognitive behavioral therapy for insomnia (CBT-I) improved sleep outcomes in this population. Using these data, we evaluated the incremental cost-effectiveness of...
In a primary care population of 327 older adults (age 60+) with chronic osteoarthritis (OA) pain and insomnia, we examined the relationship between short-term improvement in sleep or pain and long-term sleep, pain, depression, and fatigue by secondary analyses of randomized controlled trial data. Study participants, regardless of trial arm, were cl...
Introduction
Patients with kidney failure treated with hemodialysis (HD) frequently report insomnia symptoms. Cognitive-behavior therapy for insomnia (CBT-I) is a first line treatment for insomnia but there are unique issues surrounding kidney failure and HD that impact patients’ ability to access CBT-I and follow standard treatment recommendations...
Introduction
We examined the relationship between treatment process measures and 12-month insomnia outcomes from a large clinical trial of telephone-delivered CBT-I.
Methods
A statewide sample of 327 Kaiser Permanente Washington members aged 60+ with OA, Insomnia Severity Index (ISI) scores of 11+ and Brief Pain Inventory scores of 9+ were randomi...
Osteoarthritis is commonly comorbid with insomnia in older adults. While cognitivebehavioral therapy for insomnia is the recommended first-line treatment for insomnia, alternative efficacious non-pharmacological options are needed. This study examined sleep and pain in 30 community-dwelling older adults with comorbid insomnia and osteoarthritis pai...
The AT(N) research framework categorizes eight biomarker profiles using amyloid (A), tauopathy (T), and neurodegeneration (N), regardless of dementia status. We evaluated associations with dementia risk in a community‐based cohort by approximating AT(N) profiles using autopsy‐based neuropathology correlates, and considered cost implications for cli...
Background:
Vascular disease is a risk factor for Alzheimer's disease (AD) and related dementia in older adults. Retinal artery/vein occlusion (RAVO) is an ophthalmic complication of systemic vascular pathology. Whether there are associations between RAVO and dementia risk is unknown.
Objective:
To determine whether RAVOs are associated with an...
Importance
Scalable delivery models of cognitive behavioral therapy for insomnia (CBT-I), an effective treatment, are needed for widespread implementation, particularly in rural and underserved populations lacking ready access to insomnia treatment.
Objective
To evaluate the effectiveness of telephone CBT-I vs education-only control (EOC) in older...
Background:
Higher glucose levels are associated with dementia risk in people with and without diabetes. However, little is known about how this association might vary by hypertension status and antihypertensive treatment. Most studies on modifiable dementia risk factors consider each factor in isolation.
Objective:
To test the hypothesis that h...
Insomnia is common among patients on maintenance haemodialysis and may be exacerbated by the challenges of the COVID pandemic. However, data on the efficacy of insomnia interventions in this population are limited. Efforts are needed to address this important problem and increase access to insomnia interventions for patients on haemodialysis.
Poor sleep among family caregivers of individuals with dementia is associated with higher levels of caregiver stress. Modifiable factors that increase risk of stress among caregivers with poor sleep are targets for intervention. This analysis aimed to identify factors associated with greater caregiver stress among caregivers with poor sleep. Baseli...
Introduction:
Non-pharmacological treatments (NPTs) have the potential to improve meaningful outcomes for older people at risk of, or living with dementia, but research often lacks methodological rigor and continues to produce mixed results.
Methods:
In the current position paper, experts in NPT research have specified treatment targets, aims, a...
Categorizing people with late-onset Alzheimer’s disease into biologically coherent subgroups is important for personalized medicine. We evaluated data from five studies (total n = 4050, of whom 2431 had genome-wide single-nucleotide polymorphism (SNP) data). We assigned people to cognitively defined subgroups on the basis of relative performance in...
This article was originally published under standard licence, but has now been made available under a [CC BY 4.0] license. The PDF and HTML versions of the paper have been modified accordingly.
Background
Patients with end-stage kidney disease (ESKD) treated with hemodialysis (HD) experience many distressing symptoms. One frequently reported symptom is insomnia. There are unique issues about HD treatments and schedules that disrupt regular sleep/wake routines and possibly contribute to the high severity of insomnia. Despite evidence for b...
BACKGROUND
Behavioral and psychological symptoms of dementia (BPSD) are associated with increased stress, burden, and depression among family caregivers of people with dementia. STAR-C Virtual Training and Follow-up (STAR-VTF) is adapted from an evidence-based, in-person program that trains family caregivers to manage BPSD. Our pragmatic randomized...
Background
Behavioral and psychological symptoms of dementia (BPSD) are associated with increased stress, burden, and depression among family caregivers of people with dementia. STAR-Caregivers Virtual Training and Follow-up (STAR-VTF) is adapted from an evidence-based, in-person program that trains family caregivers to manage BPSD. We used a human...
Background:
Sleep deficiency affects a majority of pregnant women with significant impact on daily function, mood, and pregnancy and birth outcomes. This ongoing study combines two evidence-based strategies for improving sleep and mood, mindfulness meditation and cognitive-behavioral therapy for insomnia (CBT-I), in a unique online format to addre...
Study Objectives
We evaluated the performance of the Insomnia Severity Index-3 (ISI-3) as a short screening tool to identify clinically significant insomnia derived from the 7-item ISI in an older primary care population.
Methods
We used results from two surveys including the 7-item ISI: Sample 1 (n=3,197) and Sample 2 (n=247) individuals aged ≥60...
Introduction
Comorbid osteoarthritis (OA) and insomnia is common in older adults. CBT-I is efficacious for improving sleep in older persons with OA but not widely accessible. We examined treatment process data from OATS, a large ongoing clinical trial of telephone-delivered CBT-I.
Methods
327 Kaiser Permanente Washington members aged 60+ with OA,...
Objective/Background: Sleep problems are common in women and caregiving for an adult is a common role among women. However, the effects of caregiving on sleep and related daytime impairment are poorly understood among women veterans. This study compared stress-related sleep disturbances, insomnia symptoms, and sleep-related daytime impairment betwe...
Background: Little is known about sleep and circadian rhythms in survivors of acute respiratory failure (ARF) after hospital discharge.
Objectives: To examine sleep and rest-activity circadian rhythms in ARF survivors 3 months after hospital discharge, and to compare them with a community-dwelling population.
Methods: Sleep diary, actigraphy data,...
Objective:
The Menopause Strategies: Finding Lasting Answers for Symptoms and Health clinical trials network was funded by the National Institutes of Health to find new ways to alleviate the most common, bothersome menopausal symptoms by designing and conducting multiple concurrent clinical intervention studies, accommodating a wide scope of popul...
Wrist actigraphy has been used to assess sleep in older adult populations for nearly half a century. Over the years, the continuous raw activity data derived from actigraphy has been used for the characterization of factors beyond sleep/wake such as physical activity patterns and circadian rhythms. Behavioral activity rhythms (BAR) are useful to de...
Background and Objectives
Formerly homeless older adults residing in Permanent Supportive Housing (PSH) represent an invisible subsector of two distinct, yet related populations: the homeless population and the elderly population. Little research is focused on the complex health concerns facing this aging population within the homelessness response...
Subarachnoid hemorrhage (SAH) survivors often experience sleep disturbances. Self-efficacy for managing chronic disease may impact sleep for SAH survivors; however, little is known about the relationship between self-efficacy and subjective and objective sleep measures. The purpose of this study was to examine the associations among self-efficacy a...
Cognitive behavioral therapy for insomnia (CBT-I) is the preferred treatment for chronic insomnia and sleep-related cognitions are one target of treatment. There has been little systematic investigation of how sleep-related cognitions are being assessed in CBT-I trials and no meta-analysis of the impact of CBT-I on dysfunctional beliefs about sleep...
Purpose:
This study aimed to refine a behavioral sleep intervention program targeting patients with Alzheimer's disease and their caregivers.
Methods:
In this case series, key components of the sleep program were built upon previous intervention studies of patients with cognitive impairment/dementia. The intervention consisted of five weekly ses...
The OsteoArthritis and Therapy for Sleep (OATS) study is a population-based randomized controlled trial of cognitive behavioral therapy for insomnia (CBTI) with four innovative methodological aims. These are to: (1) Enroll representative participants across Washington state, including those from medically underserved communities; (2) Enroll persons...
Background:
There is considerable heterogeneity in clinical presentation among people with late-onset Alzheimer's disease (LOAD). We have categorized people with LOAD into subgroups based on relative impairments across cognitive domains. These 6 groups are people with no relatively impaired domains (AD-No Domains), 4 groups with one relatively imp...
Objective
To examine independent and combined effects of pain with concurrent insomnia and depression symptoms on the use of health care services in older adults with osteoarthritis (OA).
Methods
Patients were Group Health Cooperative (GHC) patients with a primary diagnosis of OA (n = 2,976). We used survey data on pain (Graded Chronic Pain Scale)...
Introduction
Previous findings reported from our pilot RCT treating chronic insomnia in older adults with osteoarthritis demonstrated that 30-minute baseline training of open-loop Audio and Visual Stimulation (AVS) induced significant delta activity relative to an AVS control. Also, active AVS used for two weeks improved sleep in subjects with diff...
Objective:
Women's sleep at menopause is widely reported to be problematic. The Insomnia Severity Index (ISI) is a commonly used tool for quantifying sleep problems in clinical and research settings, but psychometric properties in postmenopausal women have not been reported. Our study aim was to examine the factor structure of the ISI in a large a...
Lack of a unitary operational definition of mild cognitive impairment (MCI) has resulted in mixed prevalence rates and unclear predictive validity regarding conversion to dementia and likelihood of reversion.We examined 1,721 nondemented participants aged 65 and older from the Adult Changes in Thought (ACT) community-based cohort. Participants were...
Objective:
People with chronic insomnia tend to have cortical hyperarousal marked by excessive beta-/gamma-frequency brain activity during both wake and sleep. Currently, treatment options for managing hyperarousal are limited. Open-loop audiovisual stimulation (AVS) may be such a treatment. The purpose of this study was to provide a mechanistic f...
This letter comments on the letter by Naharci et al.
Study objectives:
Mobile health (mHealth) tools such as smartphone applications (apps) have potential to support sleep self-management. The objective of this review was to identify the status of available consumer mHealth apps targeted toward supporting sleep self-management and assess their functionalities.
Methods:
We searched four mobile app...
Background and objectives:
Effective community-based programs to maintain health and well-being of adults with dementia are needed. This article describes the translation, implementation, and effectiveness of a multicomponent exercise plus behavioral/psychosocial intervention (Reducing Disability in Alzheimer's Disease-NorthWest [RDAD-NW]) conduct...
Objectives
To evaluate associations between high‐density lipoprotein cholesterol (HDL) and non‐HDL‐C levels at specific ages and subsequent Alzheimer's disease (AD) risk.
Design
Prospective population‐based cohort study.
Setting
Adult Changes in Thought (ACT) Study.
Participants
Individuals aged 65 and older with no dementia at ACT Study entry....
Background:
Determinants of prescribing psychoactive medications for symptom management in older adults remain underexamined despite known risks and cautions concerning these medications.
Objective:
To examine independent and combined effects of pain, concurrent insomnia and depression symptoms on psychoactive medications supplied to older adult...
Introduction:
Identifying ophthalmic diseases associated with increased risk of Alzheimer's disease (AD) may enable better screening and understanding of those at risk of AD.
Methods:
Diagnoses of glaucoma, age-related macular degeneration (AMD), and diabetic retinopathy (DR) were based on International Classification of Diseases, 9th revision,...
Categorizing people with late-onset Alzheimer's disease into biologically coherent subgroups is important for personalized medicine. We evaluated data from five studies (total n=4,050, of whom 2,431 had genome-wide single nucleotide polymorphism (SNP) data). We assigned people to cognitively-defined subgroups on the basis of relative performance in...
Introduction
Human brainwaves mimic frequencies of stimuli received. People with chronic insomnia often have excessive beta/gamma waves (12–100 Hz), indicative of cortical hyperarousal. We tested an open-loop Audio and Visual Stimulation (AVS) program that progressively downward stimulates brainwaves to induce delta (1–3 Hz) brainwaves and improve...
Introduction
Most caregivers (i.e., those who regularly provide care for another person because of physical illness, memory disorder, psychological disorder, or physical health decline) are women, and prior research suggests the caregiving role is associated with negative health outcomes. Sleep problems are common in women, but less is known how ca...
Objective:
This study aimed to examine differences in spatiotemporal gait parameters between older adults with amnestic mild cognitive impairment (aMCI) and normal cognition (NC), and to examine limbic and basal ganglia neural correlates of gait and executive function in older adults without dementia.
Design:
This was a cross sectional study of...
Study Objectives
The Menopause Strategies: Finding Lasting Answers for Symptoms and Health network conducted three randomized clinical trials (RCT) testing six interventions treating vasomotor symptoms (VMS), and also collected self-reported sleep outcomes. A fourth RCT assessed an intervention for insomnia symptoms among women with VMS. We describ...
The Reducing Disability in Alzheimer’s Disease (RDAD) program has been shown to be an effective tool for teaching caregivers strategies to improve mood, behavior, and physical function in persons with dementia. This paper describes how RDAD has been translated and implemented for use by Area Agencies on Aging (AAA) case managers across Washington a...
Objectives:
Poor adherence to psychological treatment for insomnia is common and limits treatment gains. Very little is known about predictors of adherence among patients with chronic pain, although adherence is theorized to be more critical and more challenging for these patients. This secondary data analysis examines predictors of drop-out and t...
We identified rare coding variants associated with Alzheimer's disease in a three-stage case-control study of 85,133 subjects. In stage 1, we genotyped 34,174 samples using a whole-exome microarray. In stage 2, we tested associated variants (P < 1 × 10-4) in 35,962 independent samples using de novo genotyping and imputed genotypes. In stage 3, we u...
Objectives:
This pilot study explored caregivers' attitudes toward core elements of a behavioral sleep intervention for managing sleep problems of older veteran care recipients and the caregivers, as an initial step for developing a dyadic sleep intervention program.
Methods:
Five caregivers (all women; age range, 66-75 years) participated in a...
We identified rare coding variants associated with Alzheimer's disease in a three-stage case-control study of 85,133 subjects. In stage 1, we genotyped 34,174 samples using a whole-exome microarray. In stage 2, we tested associated variants (P < 1 × 10(-4)) in 35,962 independent samples using de novo genotyping and imputed genotypes. In stage 3, we...
Objectives
Osteoarthritis (OA) is extremely common in older adults, affecting 50% of people aged 65 or older, and more than half of older adults with OA complain of significantly disturbed sleep. This study compared predictors of nighttime sleep complaints and daytime sleep-related consequences as measured by the Insomnia Severity Index (ISI) and P...