Non-pharmacological management of wandering in persons with dementia: an integrative review.

BACKGROUND: Wandering behaviour affects a significant portion of dementia patients, ranging from 15% to 80%, presenting a serious safety concern and adding to caregivers' burden. Recent studies emphasise the effectiveness of non-pharmacological interventions over pharmacological ones due to their minimal side effects. Consequently, in current literature there has been a surge of interest in exploring non-pharmacological methods for managing wandering. PURPOSE: This integrative literature review aims to deepen comprehension of wandering behaviour, presents recent studies on non-pharmacological approaches, and inspires further research in this field. METHODS: Electronic data collection spanned from 2019 to 2024, sourcing 20 relevant articles from PubMed and Scopus databases using search terms such as 'dementia', 'Alzheimer's disease', 'wandering', and 'management'. A thematic analysis methodology was employed to identify non-pharmacological treatment themes for managing wandering. This approach involves scrutinising and synthesising themes within the dataset. Qualitative data analysis focused on significant phrases and keywords, grouping them to derive relevant themes. RESULTS: Recent literature extensively explores non-pharmacological methods for managing wandering. These include understanding behaviours, identifying and targeting high-risk groups, facilitating safe wandering, addressing environmental factors, promoting exercise and activity, and offering caregiver support. CONCLUSIONS: This study significantly advances understanding of wandering behaviour and highlights recent research on non-pharmacological interventions. The findings suggest the potential for providing safe and effective treatment to wandering dementia patients, thereby alleviating stress for both patients and caregivers.

Wandering Behavior and SARS-CoV-2 Infection in Veterans Affairs Community Living Center Residents.

OBJECTIVE: Wandering behavior in nursing home (NH) residents could increase risk of infection. The objective of this study was to assess the association of wandering behavior with SARS-CoV-2 infection in Veterans Affairs (VA) Community Living Center (CLC) residents. DESIGN: Retrospective cohort study. SETTING & PARTICIPANTS: Veterans residing in 133 VA CLCs. METHODS: We included residents with SARS-CoV-2 test from March 1, 2020 to December 31, 2020 from VA electronic medical records. We identified CLC residents with wandering on Minimum Data Set 3.0 assessments and compared them with residents without wandering. The outcome was SARS-CoV-2 infection, as tested for surveillance testing, in those with and without wandering. Generalized linear model with Poisson link adjusted for relevant covariates was used. RESULTS: Residents (n = 9995) were included in the analytic cohort mean, (SD) age 73.4 (10.7); 388 (3.9%) women. The mean (SD) activities of daily living score in the overall cohort was 13.6 (8.25). Wandering was noted in 379 (3.8%) (n = 379) of the cohort. The exposure groups differed in prior dementia (92.6% vs 62.1%, standardized mean difference [SMD] = 0.8) and psychoses (41.4% vs 28.1%, SMD = 0.3). Overall, 12.5% (n = 1248) tested positive for SARS-CoV-2 and more residents among the wandering group were SARS-CoV-2 positive as compared with those in the group without wandering (19% [n = 72] vs 12.2% [n = 1176], SMD = 0.19). Adjusting for covariates, residents with wandering had 34% higher relative risk for SARS-CoV-2 infection (adjusted relative risk, 1.34; 95% CI, 1.04-1.69). CONCLUSIONS AND IMPLICATIONS: CLC residents with wandering had a higher risk of SARS-CoV-2 infection. This may inform implementation of infection control and isolation policies as NHs attempt to balance ethical concepts of resident autonomy, proportionality, equity, and utilitarianism.

The Prevalence of Missing Incidents and Their Antecedents Among Older Adult MedicAlert Subscribers: Retrospective Descriptive Study.

BACKGROUND: With the population aging, the number of people living with dementia is expected to rise, which, in turn, is expected to lead to an increase in the prevalence of missing incidents due to critical wandering. However, the estimated prevalence of missing incidents due to dementia is inconclusive in some jurisdictions and overlooked in others. OBJECTIVE: The aims of the study were to examine (1) the demographic, psychopathological, and environmental antecedents to missing incidents due to critical wandering among older adult MedicAlert Foundation Canada (hereinafter MedicAlert) subscribers; and (2) the characteristics and outcomes of the missing incidents. METHODS: This study used a retrospective descriptive design. The sample included 434 older adult MedicAlert subscribers involved in 560 missing incidents between January 2015 and July 2021. RESULTS: The sample was overrepresented by White older adults (329/425, 77.4%). MedicAlert subscribers reported missing were mostly female older adults (230/431, 53.4%), living in urban areas with at least 1 family member (277/433, 63.8%). Most of the MedicAlert subscribers (345/434, 79.5%) self-reported living with dementia. MedicAlert subscribers went missing most frequently from their private homes in the community (96/143, 67.1%), traveling on foot (248/270, 91.9%) and public transport (12/270, 4.4%), during the afternoon (262/560, 46.8%) and evening (174/560, 31.1%). Most were located by first responders (232/486, 47.7%) or Good Samaritans (224/486, 46.1%). Of the 560 missing incidents, 126 (22.5%) were repeated missing incidents. The mean time between missing incidents was 11 (SD 10.8) months. Finally, the majority of MedicAlert subscribers were returned home safely (453/500, 90.6%); and reports of harm, injuries (46/500, 9.2%), and death (1/500, 0.2%) were very low. CONCLUSIONS: This study provides the prevalence of missing incidents from 1 database source. The low frequency of missing incidents may not represent populations that are not White. Despite the low number of missing incidents, the 0.2% (1/500) of cases resulting in injuries or death are devastating experiences that may be mitigated through prevention strategies.

Factors associated with a history of critical wandering among Medic-Alert subscribers.

BACKGROUND: Critical wandering occurs when an individual living with dementia leaves a location and is unaware of place or time. Critical wandering incidents are expected to increase with the growing prevalence of persons living with dementia worldwide. We investigated the association between demographic, psychopathological, and environmental factors and a history of critical wandering among Medic-Alert subscribers, both with and without dementia. METHODS: Our retrospective study included data of 25,785 Canadian Medic-Alert subscribers who were aged 40 years or older. We used multivariable logistic regression analysis to examine the associations between a history of critical wandering and dementia status as psychopathological independent variable, controlled by demographic (age, ethnic background, sex at birth, Canadian languages spoken) and environmental (living arrangement, population density) factors. RESULTS: The overall study sample comprised of mainly older adults (77.4%). Medic-Alert subscribers who were older, male sex at birth, living with dementia, of a minority ethnic group and who did not have proficiency in an official Canadian language had a higher likelihood of a history of critical wandering. Residing in an urban environment, in an institution or with a family member, were environmental factors associated with a higher likelihood of a history of critical wandering. CONCLUSIONS: People living with dementia experience a higher likelihood of a history of critical wandering compared to those without dementia. Medic-Alert and similar organizations can develop algorithms based on the associated factors that can be used to flag risks of critical wandering. This can inform preventative strategies at the individual and community levels.

The Ethics of Electronic Tracking Devices in Dementia Care: An Interview Study with Developers.

Wandering is a symptom of dementia that can have devastating consequences on the lives of persons living with dementia and their families and caregivers. Increasingly, caregivers are turning towards electronic tracking devices to help manage wandering. Ethical questions have been raised regarding these location-based technologies and although qualitative research has been conducted to gain better insight into various stakeholders' views on the topic, developers of these technologies have been largely excluded. No qualitative research has focused on developers' perceptions of ethics related to electronic tracking devices. To address this, we performed a qualitative semi-structured interview study based on grounded theory. We interviewed 15 developers of electronic tracking devices to better understand how they perceive ethical issues surrounding the design, development, and use of these devices within dementia care. Our results reveal that developers are strongly motivated by moral considerations and believe that including stakeholders throughout the development process is critical for success. Developers felt a strong sense of moral obligation towards topics within their control and a weaker sense of moral obligation towards topics outside their control. This leads to a perceived moral boundary between development and use, where some moral responsibility is shifted to end-users.

Exploring the impact of care home environments and culture on supporting residents to 'wander' safely.

OBJECTIVES: Up to 60% of people with dementia living in care homes will 'wander' at some point, which has typically been seen by staff as a problematic behaviour. A range of non-pharmacological interventions have been tested to either support or prevent wandering. However, even recent innovative practice continues to maintain a focus on reducing or preventing wandering. This study aimed to identify, for the first time, care home staff perspectives on home level factors that facilitate or hinder them supporting residents to wander safely. METHOD: Semi-structured qualitative interviews were conducted with 19 care home staff, working in the North of England. Framework analysis was used to analyse the data. RESULTS: A range of environmental considerations were identified by staff. Care home design influenced how residents were able to move safely around, and inclusion of points of interest encouraged walking to different locations, such as a garden. Staff worried about managing access to other residents' rooms by people who wander. Within the care home culture, prioritising safe staffing levels, training and awareness, involving external healthcare professionals where required and mentorship from experienced staff members, all contributed towards safe wandering. Staff support for positive risk-taking within the care home was key to promote person-centred care, alongside careful oversight and management of relationships between residents. CONCLUSION: We identified a range of cultural and environmental factors that contribute towards safe wandering. A positive approach to risk-taking by staff is required to support residents to engage in wandering as an enjoyable activity, whilst acknowledging that there are inherent risks associated with this.

Implementing global positioning system trackers for people with dementia who are at risk of wandering.

OBJECTIVE: The main aim of this study was to evaluate the feasibility and acceptability of using a GPS tracker to mitigate the risks associated with wandering for people with dementia and those caring for them and further evaluate the impact of trackers in delaying 24-hour care and the potential for reducing the involvement of support services, such as the police, in locating patients. METHODS: We recruited forty-five wearers-carers dyads, and a GPS tracker was issued to each participant. Dyads completed pre-and post-outcome questionnaires after six months, and a use-log of experiences was maintained through monthly monitoring calls. At six months, focus groups were conducted with 14 dyads where they shared ideas and learning. Data analyses were performed on outcome questionnaires, use-log analysis, and focus groups discussion. RESULTS: A 24% (N = 14) attrition rate was recorded, with 76% (N = 34) of the participants completing pre- and post-outcome questionnaires, of which 41% (N = 14) attended four focus group meetings. Participants reported enhanced independence for wearers as fewer restrictions were placed on their movements, peace of mind and reduced burden for the carers with less need to involve police or social services, and delays in 24-hour care. CONCLUSION: The results supported the feasibility of routine implementation of GPS trackers in dementia care with clear guidance, monitoring and support to family carers on safe use. This could delay admission into 24-hour care as wearers and carers have a greater sense of safety and are better connected should help be required. Studies with larger sample sizes, diverse participants and health economic analysis are needed to develop the evidence base further ahead of the routine implementation of GPS trackers in health and social care services.

The Assessment of Long-Term Care Environments for Wayfinding Design.

OBJECTIVES: The purpose of this article is to compare three different methods to assess the complexity of a long-term care (LTC) environment for wayfinding before and after an environmental design intervention. The methods include space syntax (SS), the Wayfinding Checklist (WC), and the Tool to Assess Wayfinding Complexity (TAWC). BACKGROUND: Wayfinding is important to maintain older adults' independent functioning. The design of environments can impact wayfinding ability by providing support; this can be via building structure or by environmental design features such as signage and landmarks. Few methods or tools have been scientifically validated to assess environments for wayfinding complexity. In order to compare environments in terms of complexity and to measure the impact of interventions, valid and reliable tools are necessary. METHODS: This article discusses the results of the use of three wayfinding design assessment tools using three routes in one LTC environment. The results of the three tools are discussed. RESULTS: SS analysis could quantitatively measure the complexity of routes using integration values, which indicates connectedness. The TAWC and the WC were able to measure differences in visual field scores pre- and postenvironmental intervention. There were limitations to each tool: the lack of psychometric properties for the TAWC and the WC, and the lack of ability to measure changes in design features within visual fields with SS. CONCLUSIONS: Multiple tools to assess environments for wayfinding design may be needed in studies that test environmental interventions. Future research is needed to provide psychometric testing for the tools.

Sentimentos e percepções do luto de sobreviventes ao suicídio de jovens / Feelings and perceptions of grief among survivors of youth suicide / Sentimientos y percepciones de duelo entre sobrevivientes de suicidio de jóvenes

Sobreviventes ao suicídio são pessoas que têm suas vidas profundamente afetadas e apresentam sofrimento psicológico, físico ou social após serem expostas a esse fato. O objetivo deste estudo foi analisar a experiência de sobreviventes ao suicídio de jovens, a partir do luto. Participaram sete sobreviventes entre familiares, amigos e parceiros amorosos de jovens que cometeram suicídio. A análise de conteúdo de entrevistas narrativas apontou que os participantes utilizam explicações racionalizadas ou dissociadas, criando uma distância entre o evento e eles mesmos. Como formas de lidar com o sofrimento podem buscar o isolamento, apoio entre amigos, prática religiosa e/ou a dedicação ao trabalho. Reafirma-se a dimensão do luto diante dessa experiência, além da importância da prevenção ao suicídio e da posvenção aos sobreviventes.(AU)

Suicide survivors are people who have their lives deeply affected; they experience psychological, physical, and social suffering following the occurrence. The aim of this study is to analyze the experience of survivors of youth suicide attempts, based on grief. Seven survivors participated among family, friends, and romantic partners of young people who committed suicide. The content analysis of narrative interviews showed that the participants use rationalized or dissociated explanations, creating a distance between the event and themselves. As ways to deal with suffering, they seek isolation, support among friends, religious practice, and/or dedication to work. The dimension of grief in the face of this experience is reaffirmed, as well as the importance of suicide prevention and postvention for survivors.(AU)

Este artículo tiene como objetivo presentar la construcción metodológica desarrollada en una investigación de maestría, en la que sostenemos la escritura de escenas como método de investigación de la escucha clínica. Las escenas del trabajo en cuestión se recogieron a lo largo del tiempo desde la experiencia en un proyecto de extensión universitario de atención a la niñez y adolescencia en situación de vulnerabilidad social aplicado en una comunidad periférica. En este texto, presentamos los interrogantes que se elaboraron en torno a la elección por el trabajo con escenas y compartimos el rescate histórico de las mismas como un método de escribir la clínica y la reanudación del análisis a partir de la tradición psicoanalítica. Amparadas en el psicoanálisis y en lecturas y contribuciones del filósofo francés Jacques Derrida, nos basaremos en la noción de que la escena se constituye como un lugar de producción, engendrando la configuración particular de elementos significantes en los procesos de subjetivación y de construcción social. La escena no es aquí una representación de lo que pasa en la clínica, sino un modo de producir escucha y sus procesos de investigación.(AU)

Joint effect of cognitive decline and walking ability on incidence of wandering behavior in older adults with dementia: A cohort study.

OBJECTIVES: Wandering behavior is one of the most troublesome behavioral disturbances in dementia. Inconsistent associations between physical function and wandering behavior were reported, and the effect of cognitive decline may be different according to walking ability. The purposes of this study are to investigate whether high walking ability is a risk factor for wandering behavior and to investigate the interaction of walking ability and cognitive function with wandering behavior in older adults with dementia. METHODS: This retrospective cohort study included 3979 elderly adults with dementia. The association of cognitive function and walking ability with incidence of wandering behavior during a 5-year follow-up period were examined using a generalized linear model, and relative excess risk due to interaction (RERI) was calculated. RESULTS: Severe cognitive decline and high walking ability were associated with a higher risk for wandering behavior. Additionally, some joint effects of cognitive decline and walking ability decline were higher than the sum of its individual effects (RERI [95% confidence interval], severe cognitive decline × 'walk with help': 1.58 [0.35, 2.81]; severe cognitive decline × 'independent': 3.09 [1.05, 5.14]). CONCLUSIONS: Effects of cognitive decline and walking ability on incidence of wandering behavior were observed, and the effects varied depending on their combination.

Exploring a Novel Tool to Measure Wandering Behavior in the Early Childhood Classroom.

Wandering, or random movement, affects cognitive and social skills. However, we lack methods to objectively measure wandering behavior. The purpose of this pilot study was to explore the use of the Ubisense real-time location system (RTLS) in an early childhood setting to explore wandering in typically developing (TD) children (n = 2) and children with or at risk for developmental disabilities (WA-DD; n = 3). We used the Ubisense RTLS, a tool for capturing locations of individuals in indoor environments, and Fractal Dimension (FD) to measure the degree of wandering or the straightness of a path. Results of this descriptive, observational study indicated the Ubisense RTLS collected 46,229 1-s location estimates across the five children, and TD children had lower FD (M = 1.36) than children WA-DD (M = 1.42). Children WA-DD have more nonlinear paths than TD children. Implications for measuring wandering are discussed.

Wandering behavior in children with autism spectrum disorder and other developmental disabilities.

PURPOSE OF REVIEW: Approximately one in four children with autism spectrum disorder (ASD) 'elope' or wander away from supervision each year; however, many caregivers do not receive adequate information on how to address wandering behavior. The purpose of this review is to summarize the available research on elopement frequency, wandering patterns, and interventions to provide pediatricians and other childcare professionals with appropriate strategies to address wandering behavior. RECENT FINDINGS: Despite the high prevalence of wandering by children with ASD or other developmental disabilities, there is relatively limited research in this area. Recent research has identified common patterns and factors associated with risk of elopement and elopement frequency. SUMMARY: Pediatricians should counsel families on the common issues and intervention strategies related to elopement. By increasing awareness of wandering in children with ASD, caregivers can feel better prepared to make informed decisions regarding their child's wellbeing and safety.

Night-Time Monitoring System (eNightLog) for Elderly Wandering Behavior.

Wandering is a common behavioral disorder in the community-dwelling elderly. More than two-thirds of caregivers believe that wandering would cause falls. While physical restraint is a common measure to address wandering, it could trigger challenging behavior in approximately 80% of the elderly with dementia. This study aims to develop a virtual restraint using a night monitoring system (eNightLog) to provide a safe environment for the elderly and mitigate the caregiver burden. The eNightLog system consisted of remote sensors, including a near infra-red 3D time-of-flight sensor and ultrawideband sensors. An alarm system was controlled by customized software and algorithm based on the respiration rate and body posture of the elderly. The performance of the eNightLog system was evaluated in both single and double bed settings by comparing to that of a pressure mat and an infrared fence system, under simulated bed-exiting scenarios. The accuracy and precision for the three systems were 99.0%, 98.8%, 85.9% and 99.2%, 97.8%, 78.6%, respectively. With higher accuracy, precision, and a lower false alarm rate, eNightLog demonstrated its potential as an alternative to physical restraint to remedy the workload of the caregivers and the psychological impact of the elderly.

Incidence and Mortality of Dementia-Related Missing and Their Associated Factors: An Ecological Study in Japan.

BACKGROUND: Dementia-related missing and subsequent deaths are becoming serious problems with increases in people with dementia. However, there are no sufficient studies investigating the incidence rate, the mortality rate, and their risk factors. METHODS: An ecological study aggregated at the Japanese prefectural level was conducted. Dementia-related missing persons cases and deaths in 2018 were extracted from the statistics of the National Police Agency in Japan. We extracted variables about older adults' characteristics, care, and safety as candidate variables considered to be relevant to dementia-related missing persons cases and deaths. Associations of the candidate variables with the incidence and mortality rates were analyzed using the generalized linear model (family: quasi-poisson, link: log) adjusted for confounding factors (proportion of older adults and gross prefectural product). RESULTS: The incidence rate and mortality rate per 100,000 person-year was 21.72 and 0.652 in Japan, respectively. One facility increase in the number of nursing care facilities for older adults per 100,000 persons aged 65-years-old or more was associated with a 7.9% (95% confidence interval [CI], 3.3-12.4%) decrease in the incidence rate. One increase in the number of public health nurses per 100,000 persons was associated with a 3.2% (95% CI, 1.6-4.9%) decrease in the incidence rate. A ten percent increase in the proportion of people who live in an urban area was associated with a 20.3% (95% CI, 8.7-33.2%) increase in the incidence rate and a 12.9% (95% CI, 5.6-19.8%) decrease in the mortality rate. CONCLUSIONS: Identified associated factors may be useful for managing or predicting dementia-related missing persons cases and associated deaths.

Impact of road network structure on dementia-related missing incidents: a spatial buffer approach.

Dementia-related missing incidents are a highly prevalent issue worldwide. Despite being associated with potentially life-threatening consequences, very little is still known about what environmental risk factors may potentially contribute to these missing incidents. The aim of this study was to conduct a retrospective, observational analysis using a large sample of police case records of missing individuals with dementia (n = 210). Due to the influence that road network structure has on our real world navigation, we aimed to explore the relationship between road intersection density, intersection complexity, and orientation entropy to the dementia-related missing incidents. For each missing incident location, the above three variables were computed at a 1 km radius buffer zone around these locations; these values were then compared to that of a set of random locations. The results showed that higher road intersection density, intersection complexity, and orientation entropy were all significantly associated with dementia-related missing incidents. Our results suggest that these properties of road network structure emerge as significant environmental risk factors for dementia-related missing incidents, informing future prospective studies as well as safeguarding guidelines.

Wandering by Children with Autism Spectrum Disorders: Impact of Electronic Tracking Devices on Elopement Behavior and Quality of Life.

OBJECTIVE: Half of US children with autism spectrum disorder (ASD) have attempted to elope from adult supervision at least once, elevating their risk for serious injury/death. This study aimed to assess, in a sample of children with ASD aged 4 to 18 years who had previously wandered, whether electronic tracking device (ETD) use is associated with changes in the elopement behavior and household quality of life (QOL). METHODS: An anonymous, online questionnaire assessing elopement interventions, elopement behavior, household QOL, attitudes toward ETDs, and sociodemographics was distributed via US autism-related organizations to caregivers of children with ASD. Differences in retrospective estimates of elopement behavior and household QOL before ETD use and during ETD use were evaluated using Wilcoxon signed-rank tests. RESULTS: A total of 2563 participants completed the questionnaire; 1459 participants met the inclusion criteria. For the current (n = 361) and past (n = 96) ETD users, ETD use was associated with decreased frequency and duration of elopement and decreased risk for serious injury because of elopement (all p < 0.001). ETD use was similarly associated with improvements across all 5 measures of QOL. Among the past ETD users, reasons for discontinuation included device discomfort/fit (33.3%), burden of use (27.1%), and financial cost (14.6%). Among the non-ETD users (n = 1002), common barriers to ETD use were cost (47.5%) and lack of awareness of ETD technology (18.8%). CONCLUSION: Electronic tracking devices represent a promising technology to help safeguard the well-being of children with ASD while reducing the emotional toll that elopement imposes on families. Cost concerns, burden of use, and lack of awareness seem to limit the widespread adoption of ETDs.

Evaluation of antecedent behaviors of dementia-related wandering in community and facility settings.

Aim: To understand antecedent behaviors to critical wandering among persons living with dementia in or outside of a facility. Materials & methods: Caregivers were asked to write down the type and number of antecedent behaviors they observed in persons with dementia that were about to critically wander for 2-4 weeks. Observations were made through a developed questionnaire. Results: Six antecedent behaviors were observed: stating intent to leave, door lingering/tampering, preparing to go outside, packing up belongings, calling to be picked up and draw to outside stimuli. Conclusion: Information from this study can be used in the education of wander-management strategy adoption among caregivers of persons with dementia at risk of getting lost.

Wandering Among Preschool Children with and Without Autism Spectrum Disorder.

OBJECTIVES: (1) Report the occurrence of wandering, or leaving a supervised space, among children with confirmed autism spectrum disorder (ASD), other developmental delay (DD) with a previous but unconfirmed ASD diagnosis (DDprevASD), DD without a previous ASD diagnosis, and a population comparison group (POP) at an age when wandering is no longer expected and (2) explore whether ASD status is associated with wandering independent of behavioral, developmental, and maternal factors. METHOD: Parents and children aged 4 to 5 years enrolled in the Study to Explore Early Development Phase-1+2. All children were screened for ASD symptoms upon enrollment. Those with ASD symptoms and/or a previous ASD diagnosis received the Mullen Scales of Early Learning (MSEL) to determine their developmental level and 2 ASD diagnostic tests to determine their ASD status. All other children were evaluated with the MSEL alone. Mothers completed the Child Behavior Checklist/1½-5, which includes an item on whether the child wanders away (categorized as at least sometimes true vs not true) and items assessing behavior problems. RESULTS: Children with ASD (N = 1195) were significantly more likely to wander than children classified as DDprevASD (N = 230), DD (N = 1199), or POP (N = 1272) (60.4%, 41.3%, 22.3%, and 12.4%, respectively, p < 0.01). ASD status, very low developmental level, and affective, anxiety, attention, and oppositional problems were each independently associated with wandering behavior. CONCLUSION: Wandering is significantly more common among children with ASD and those with behavioral and developmental problems compared with other children. These findings can be used to increase the awareness of wandering among children with atypical development.

Effects of walking on sundown syndrome in community-dwelling people with Alzheimer's disease.

BACKGROUND: Sundown syndrome is an important care issue for people with dementia (PwD) and for family caregivers. Walking is a safe and simple physical activity for most PwD, yet no research has explored the effects of different long-term walking periods on sundown syndrome. OBJECTIVES: This study aimed to determine the effects of walking on sundown syndrome, and to identify whether different walking time periods would show different effects on sundown syndrome in community-dwelling people with Alzheimer's disease. METHODS: A quasi-experimental designed study with repeated measurements was conducted. Sixty PwD were recruited and assigned to either the control group or the morning or afternoon walking group according to their caregiver's preference. The participants in the two walking groups completed an average of 120-min walking per week, accompanied by their caregivers. Forty-six achieved the 6-month intervention. Four measurements were taken, one at the pretest and one at weeks 8, 16 and 24. The Chinese version of the Cohen-Mansfield Agitation Inventory, community form (C-CMAI) was used to assess the severity of the sundown syndrome. The generalised estimating equation (GEE) was applied for the longitudinal data analysis. RESULTS: There was a significant change across the study period (p = .048) in the morning walking group, indicating that the score for sundown syndrome decreased when PwD walked in the morning. Considering group effects, compared to the control group, the C-CMAI scores significantly decreased after 16 weeks of walking in the afternoon walking group (p = .001) and after 24 weeks in both the morning and afternoon walking groups (p = .001), indicating that after PwD had walked for 16 weeks, sundown syndrome ameliorated in the afternoon group and continually decreased after 24 weeks in both the morning and afternoon groups. However, there was no significant group difference between the morning and afternoon walking groups during the 24-week walking intervention. CONCLUSIONS: The results indicated that both morning walking and afternoon walking are beneficial for ameliorating the symptoms of sundown syndrome; however, walking in the afternoon may have a faster effect on the symptoms than walking in the morning. Walking is a safe, simple, feasible and effective intervention to benefit individuals with sundown syndrome. IMPLICATIONS FOR PRACTICE: Regularly walking for 30 min a day, four times a week, is beneficial to alleviate sundown syndrome among PwD living in the community. Either morning or afternoon walking is effective for decreasing sundown syndrome, and the longer the walking time, the greater the impact on sundown syndrome.

The validity of the online thought-probing procedure of mind wandering is not threatened by variations of probe rate and probe framing.

Recently, there has been a surge of interest in the measurement of mind wandering during ongoing tasks. The frequently used online thought-probing procedure (OTPP), in which individuals are probed on whether their thoughts are on-task or not while performing an ongoing task, has repeatedly been criticized, because variations in the frequency of thought probes and the order in which on-task and off-task thoughts are referred to have been shown to affect mind-wandering rates. Hitherto, it is unclear whether this susceptibility to measurement variation only affects mean response rates in probe-caught mind wandering or poses an actual threat to the validity of the OTPP, endangering the replicability and generalizability of study results. Here, we show in a sample of 177 students that variations of the frequency or framing of thought probes do not affect the validity of the OTPP. While we found that more frequent thought probing reduced the rate of probe-caught mind wandering, we did not replicate the effect that mind wandering is more likely to be reported when off-task thoughts are referred to first rather than second. Crucially, associations between probe-caught mind wandering and task performance, as well as associations between probe-caught mind wandering and covariates (trait mind wandering, reaction-time variability in the metronome-response task, and working-memory capacity) did not change with variations of the probing procedure. Therefore, it seems unlikely that the great heterogeneity in the way the OTPP is implemented across different studies endangers the replicability and generalizability of study results. Data and analysis code are available at https://osf.io/7w8bm/ .