Although rates of anxiety tend to decrease across late life, rates of anxiety increase among a subset of older adults, those with mild cognitive impairment (MCI) or dementia. Our understanding of anxiety in dementia is limited, in part, by a lack of anxiety measures designed for use with this population. This study sought to address limitations of the literature by developing a new measure of anxiety for cognitively impaired individuals, the anxiety in cognitive impairment and dementia (ACID) Scales, which includes both proxy (ACID-PR) and self-report (ACID-SR) versions.

The ACID-SR and ACID-PR were administered to 45 residents, aged 60 years and older, of three long-term care (LTC) facilities, and 38 professional caregivers at these facilities. Other measures of anxiety, and measures of depression, functional ability, cognition, and general physical and mental health were also administered.

Initial evaluation of its psychometric properties revealed adequate to good internal consistency for the ACID-PR and ACID-SR. Evidence for convergent validity of measures obtained with the ACID-SR and ACID-PR was demonstrated by moderate-to-strong associations with measures of worry, depressive symptoms, and general mental health. Discriminant validity of measures obtained with the ACID-SR and ACID-PR was demonstrated by weak correlations with measures of cognition, functional ability, and general physical well-being.

The preliminary results suggest that the ACID-SR and ACID-PR can obtain reliable and valid measures of anxiety among individuals with cognitive impairment. Given the subjective nature of anxiety, it may be prudent to collect self-report of anxiety symptoms even among those with moderate cognitive impairment.

The number of people with dementia is increasing rapidly. Providing care to a relative or friend with dementia may lead to serious mental health problems. Internet interventions may offer opportunities to improve the availability and accessibility of (cost)effective interventions to reduce family caregivers’ psychological distress. This study describes the acceptability of a guided self-help Internet intervention “mastery over dementia” (MoD), aimed at reducing caregivers’ psychological distress, in terms of reach, adherence and user evaluation.

The sample for this study is the experimental group that participated in the (cost)effectiveness trial of MoD (N = 149). Data on characteristics of family caregivers and people with dementia, completion and user evaluation were used and analyzed with descriptive statistics, χ2and T-tests.

MoD reaches a wide variety of caregivers, also those aged 75+, having a relative with a recent diagnosis of dementia or living in a care home. However, the percentage of caregivers who did not complete all eight lessons was rather high (55.7%). Among the completers (N = 66; 44.3%) were significantly more spouses, caregivers living in the same household, older caregivers, and those caring for somebody with another formal diagnosis than Alzheimer's disease. Caregivers’ evaluation showed that females rated higher on the comprehensibility of the lessons and feedback and spent less time on the lessons.

The guided self-help Internet intervention MoD is acceptable for a broad range of family caregivers of people with dementia. The next step is to substantiate its (cost)effectiveness.

Depression among older adults is under-recognized either in the community or in general hospitals in Chinese culture. This study aimed to develop a culturally appropriate screening instrument for late-life depression in the non-psychiatric settings and to test its reliability and validity for a diagnosis of depression.

Using a Delphi method, we developed a geriatric depression inventory (GDI), consisting of 12 core symptoms of depressive disorder in old age. We investigated its reliability and validity on 89 patients with late-life depression and 249 non-depression controls. Both self-report (GDI-SR) and physician-interview (GDI-RI) versions were assessed.

Cronbach's α coefficient was 0.843 for GDI-SR and 0.880 for GDI-RI. Both GDI-SR and GDI-RI showed good concurrent validity with the 15-item Geriatric Depression Scale (GDS-15) (GDI-SR: r = 0.750, p < 0.001; GDI-RI: r = 0.733, p < 0.001). The area under the curve of the receiver operating characteristic (ROC) was 0.938 for GDI-SR and 0.961 for GDI-RI, suggesting good to excellent discrimination of depression versus non-depression. Using a cut-off of three items endorsed, sensitivity and specificity were 92.1% and 81.9% for GDI-SR, and 93.3% and 87.1% for GDI-RI.

The GDI, either based on self-report or rater interview, is a reliable and valid instrument for the detection of depression among older adults in non-psychiatric medical settings in Chinese culture.

This investigation aimed to develop a screening tool based on the Cognitive Inventory of Subjective Distress (CISD). Two studies were designed in order to test the second-order factorial structure of the CISD, to shorten its length and to assess its replicability on a second large independent sample.

We recruited a first sample (n = 290) living at home or in retirement centers and a second community-based sample (n = 1,429). The first sample completed the original CISD as well as cognitive, autonomy, anxiety, and depression assessments. The second sample completed the Short-CISD (S-CISD).

Factor analyses supported a second-order factorial structure allowing to engage in a refinement of the scale. We retained seven items corresponding to a dimension of cognitive schemas. Confirmatory Factor Analysis (CFA) demonstrated that the S-CISD exhibited satisfying psychometric properties as well as factorial replicability and structural invariance in two different samples. Further, the internal consistency of the S-CISD is acceptable.

The S-CISD is a relevant screening tool for rapidly assessing psychological distress. It is directed towards old and very old individuals either living at home or in a retirement center, while also taking into account the fatigability and potential cognitive impairment of this population. This screening tool can be confidently used for psychopathological assessment and can serve as a baseline for following patients over time or in the course of therapy.

We examined the associations between serum cholesterol measures, statin use, and cognitive function measured in childhood and in old age. The possibility that lifelong (trait) cognitive ability accounts for any cross-sectional associations between cholesterol and cognitive performance in older age, seen in observational studies, has not been tested to date.

Participants were 1,043 men and women from the Lothian Birth Cohort 1936 Study, most of whom had participated in a nationwide IQ-type test in childhood (Scottish Mental Survey of 1947), and were followed up at about age 70 years. Serum cholesterol measures included total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), triglycerides, and cholesterol:HDL cholesterol ratio. Cognitive outcome measures were age 70 IQ (using the same test as at age 11 years), general cognitive ability (g), processing speed, memory, and verbal ability.

Higher TC, higher HDL-C, and lower triglycerides were associated with higher age 70 cognitive scores in most cognitive domains. These relationships were no longer significant after covarying for childhood IQ, with the exception a markedly attenuated association between TC and processing speed, and triglycerides and age 70 IQ. In the fully adjusted model, all conventionally significant (p < 0.05) effects were removed. Childhood IQ predicted statin use in old age. Statin users had lower g, processing speed, and verbal ability scores at age 70 years after covarying for childhood IQ, but significance was lost after adjusting for TC levels.

These results suggest that serum cholesterol and cognitive function are associated in older age via the lifelong stable trait of intelligence. Potential mechanisms, including lifestyle factors, are discussed.

Longitudinal changes in awareness in dementia have been studied with short follow-up time and mostly in small patient groups (including patients with moderate dementia). We investigated awareness in patients with mild Alzheimer's disease (AD) over 36 months and studied if a decline in awareness was associated with decline in cognition and increase in neuropsychiatric symptoms.

Awareness was measured on a categorical scale in 95 AD patients (age ≥50 years, Mini-Mental State Examination (MMSE) score ≥20). Awareness was rated at three time points (follow-up at 12 and 36 months) where MMSE, Neuropsychiatric Inventory (NPI-Q), and Cornell scale for Depression in Dementia also were applied.

At 12 months, 26% had lower awareness rating as compared to baseline and at 36 months lower awareness ratings were found in 39%. At both visits, 16% had higher awareness rating as compared to baseline. Patients with lower awareness at 36 months as compared to baseline had a more rapid increase in NPI-Q score (p = 0.002) over 36 months as compared to patients with stable or improved awareness over 36 months. A more rapid decline in MMSE score was observed for patients with lower awareness at 36 months (as compared to baseline) but only when compared to patients in whom awareness improved over time.

The results show essentially no clear relationship between cognitive decline over three years and awareness. In some cases, awareness remained stable or even improved despite significant cognitive decline. In the subgroup where awareness declined over time, overall ratings of neuropsychiatric symptoms declined more rapidly than in the remaining patients.

The recent addition of hoarding disorder (HD) to the Diagnostic and Statistical Manual of Mental Health Disorders, 5th edition, has highlighted the dearth of information about the demographic, sociologic, and medical predictors of HD severity, particularly in older adults. Although there have been several previous studies examining the characteristics of older adults with HD, and one investigation of psychiatric correlates of hoarding symptom severity in non-clinical older adults, there has been little investigation about which characteristics predict hoarding symptom severity in older adults with HD.

Participants were 71 older adults who were enrolled for one of the two studies of HD at the VA San Diego Healthcare System between January 2010 and January 2014.

There were multiple differences in the predictive ability of patient characteristics between the more cognition-related symptoms of HD and the more concrete measure of clutter, including gender-based differences and anxiety severity. Further, married participants were more likely to report lower hoarding severity, and there was no significant relationship between hoarding severity and intervention attempts or hoarding and reported falls in the past three years.

Multiple predictive factors have been presented, which may result in further studies to investigate possible predictive differences in cognition and clutter symptoms of HD. Future studies should examine the possibility of the predictive factors also identified to be moderators of treatment outcomes.

Depression, if broadly defined, is the commonest late-life mental disorder. We examined the distribution of depressive symptoms and suicidal thoughts, across age, sex, literacy, and marital status, among elderly individuals residing in rural Bangladesh and participating in a population-based study on health and aging.

Prevalence figures of depressive symptoms were assessed with SRQ20 (n = 625), and possible social network and economic associations were examined. Morbidity accounts of depressive symptoms and suicidal thoughts were examined for a subsample that also underwent complete medical examination (n = 471).

We selected for analyses the items that corresponded to DSM-IV criteria and constructed a dichotomous variable. The prevalence was 45%, and most pronounced among the oldest women (70%). The overall prevalence of suicidal thoughts was 23%. Being a woman, illiterate or single were all risk factors for depressive symptoms and suicidal thoughts. These associations remained unaccounted for by the social network and economic variables. Co-residing with a child and having a high quality of contact were protective of both depressive symptoms and suicidal thoughts. The main findings were replicated in the subsample, where it was found that morbidities were also associated with the outcomes, independently of the four main predictors.

Prevalence figures for depressive symptoms among elderly in rural Bangladesh are high. Demographic, social network, and morbidity factors are independently associated with both depressive symptoms and suicidal thoughts. This is the first study to report prevalence figures for depressive symptoms in this population.

In light of the demographic aging trend in Europe, investigation into successful aging is a public health priority. This paper describes the sense of coherence (SOC) of a sample of community-dwelling older adults in Spain and analyzes the relationship between SOC and both health and sociodemographic variables. SOC measures the extent to which an individual conceptualizes the world as comprehensible, manageable, and meaningful. Strong SOC may promote good health.

The study followed a cross-sectional design involving a nationally representative sample of 1,106 community-dwelling adults aged 60 years and older in Spain. The sample was collected by geographically based proportional stratified sampling. Results are based on responses to a questionnaire requesting sociodemographic information and including the following validated scales: SOC, Barthel index (BI), functional independence scale (FIS), personal wellbeing index (PWI), EQ-5D dimensions (mobility, personal care, daily activities, pain/discomfort, anxiety/depression), and the depression subscale of the hospital anxiety and depression scale (HADS-D). A multivariate linear regression model analyzed determinants of SOC.

Personal wellbeing (b = −0.32), depression (b = 0.26), and educational level (b = −0.06) were significant determinants of SOC. Lower SOC was associated with problems in all EQ-5D dimensions and moderate/severe disability as measured by the BI.

SOC in older adults is related to functional status, mental health status, personal wellbeing, and educational level. Public health initiatives should work to reduce the psychological and physiological impact of aging by focusing on the conditions that facilitate the coping of older adults.

Memory clinics, typically led by multidisciplinary teams and requiring health professional referral, are one means of providing diagnosis and care coordination for dementia. Nurse-led clinics may provide an effective and alternative means to dementia diagnosis, and open referral policies may minimize existing barriers to accessing a diagnosis, but evidence is needed.

Patients attending a one-day per week nurse-led memory clinic over a 25-month period during 2011–2013 (n = 106) completed comprehensive cognitive assessments and were diagnosed by an aged care nurse practitioner. Descriptive statistics detail the demographics, assessment scores, and diagnostic profiles of patients. Comparable data from published literature was identified, and the differences were analyzed qualitatively.

One hundred and six patients were assessed with the key differences from other data sets being history of falls more common, higher mean Mini-Mental State Examination scores, and fewer dementia diagnoses. Sixty-four patients (60%) were self-referred to the nurse-led memory clinic, of which 19 (30%) were diagnosed with mild cognitive impairment (MCI) or dementia. Overall, forty-eight patients (45%) received diagnoses of MCI or dementia.

An open referral policy led to a high proportion of patients being self-referred, and nearly a third of these were diagnosed with cognitive impairment or dementia. Open referral policies and nurse-led services may overcome some of the barriers to early diagnosis that are currently experienced. Considering an aging population worldwide and the associated increases in cognitive impairment, which benefits from early identification and intervention, this paper provides an alternative model of nurse-led assessment.

Fibromyalgia (FM) is common in older adults suffering from mood disorders. However, clinical diagnosis of FM is challenging, particularly in psychiatric settings. We examined the prevalence of FM and the sensitivity of three simple screeners for FM.

Using cross-sectional data, we evaluated three tests against the American College of Rheumatology (ACR) 1990 Criteria for the Classification of FM: a “Do you often feel like you hurt all over?” question, a pain map score, and the Pope and Hudson (PH) interview for FM. Participants were 185 community-dwelling adults ≥ 60 years old with comorbid depression and chronic low back pain evaluated at a late-life mental health clinic.

Fifty three of 185 participants (29%) met the ACR 1990 FM criteria. Compared to those without FM, the FM group had more “yes” answers to the “hurt all over?” question and higher pain map scores. To reach a sensitivity of at least 0.90, the cut-off score for the pain map was 8. The sensitivity of the pain map, “hurt all over?” question, and PH criteria were 0.92 [95%CI 0.82–0.98], 0.91 [95%CI 0.79–0.97], and 0.94 [95%CI 0.843–0.99] respectively.

Nearly one in three older adults suffering from depression and chronic low back pain met ACR 1990 FM criteria. Three short screening tests showed high sensitivity when compared to the ACR 1990 FM criteria. Implementation of one of the simple screeners for FM in geriatric psychiatry settings may guide the need for further diagnostic evaluation.

The study's aim was to examine the association of alcohol consumption with verbal and visuospatial memory impairment in older people.

Participants were 1,572, aged ≥60 years, in the hospital-based registry of the Clinical Research Center for Dementia of South Korea (CREDOS). Moderate drinking was defined as no more than seven drinks per week and three drinks per day. Memory impairment was defined as performance with more than 1 standard deviation below the mean value on the Seoul Verbal Learning Test and Rey Complex Figure Test.

Those who consumed alcohol moderately, compared with abstainers, had a lower odds of verbal memory impairment (Odds Ratio [OR] = 0.64; 95% Confidence Interval [CI]: 0.46–0.87), adjusting for covariates. Visuospatial memory, however, was not significantly associated with alcohol consumption.

Moderate alcohol drinking is associated with a reduced likelihood of verbal memory impairment among older people attending memory clinics.

Previous research on wisdom has suggested that wisdom is comprised of cognitive, reflective, and affective components and has developed and validated wisdom measures based on samples from Western countries. To apply the measurement to Eastern cultures, the present study revised an existing wisdom scale, the three-dimensional wisdom scale (3D-WS, Ardelt, 2003) for the Korean cultural context.

Participants included 189 Korean heritage adults (age range 19–96) living in Los Angeles. We added a culturally specific factor of wisdom to the 3D-WS: Modesty and Unobtrusiveness (Yang, 2001), which captures an Eastern aspect of wisdom. The structure and psychometrics of the scale were tested. By latent cluster analysis, we determined acculturation subgroups and examined group differences in the means of factors in the revised wisdom scale (3D-WS-K).

Three factors, Cognitive Flexibility, Viewpoint Relativism, and Empathic Modesty were found using confirmatory factor analysis. Respondents with high biculturalism were higher on Viewpoint Relativism and lower on Empathic Modesty.

This study discovered that a revised wisdom scale had a distinct factor structure and item content in a Korean heritage sample. We also found acculturation influences on the meaning of wisdom.

Prose memory tests exhibit ecological validity, but the influence of non-memory functions on immediate recall in elderly subjects with memory complaints has not been fully investigated. This study examined (1) whether the ability to immediately recall a story can distinguish among clinical controls, amnesic mild cognitive impairment (MCI) and dementia due to Alzheimer's disease (AD) and (2) which cognitive functions contribute to immediate recall performance.

A total of 73 consecutive volunteers (50 women and 23 men) aged 47–88 (mean age = 71.85 ± 9.41) and with a mean schooling level of 12.51 (SD = 4.09) participated in the experiment. All individuals were seeking specialized evaluation because of memory complaints. Diagnoses were made by considering clinical, neuropsychological, and MRI assessments collected by a multidisciplinary team of neurologists, neuropsychologists, and speech-language therapists. A total of 26 individuals were classified as clinical controls; 27 as MCI patients; and 20 as having AD dementia. All individuals in the AD group had a Clinical Dementia Rating (CDR) ≤ 1.

Immediate recall was only able to distinguish AD subjects from MCI patients and clinical controls (p > 0.05). Stepwise multiple linear regression analysis revealed that mental status (MMSE), semantic memory (WAIS-III vocabulary) and episodic memory (RAVLT primacy) explained approximately 62% of the variance in immediate recall.

Understanding the value and limitations of immediate story recall in distinguishing between MCI and AD may help clinicians in better choosing cognitive tests to diagnose MCI.

Comorbid anxiety disorders are common in late-life depression and negatively impact treatment outcome. This study aimed to examine personality characteristics as well as early and recent life-events as possible determinants of comorbid anxiety disorders in late-life depression, taking previously examined determinants into account.

Using the Composite International Diagnostic Interview (CIDI 2.0), we established comorbid anxiety disorders (social phobia (SP), panic disorder (PD), generalized anxiety disorder (GAD), and agoraphobia (AGO)) in 350 patients (aged ≥60 years) suffering from a major depressive disorder according to DSM-IV-TR criteria within the past six months. Adjusted for age, sex, and level of education, we first examined previously identified determinants of anxious depression: depression severity, suicidality, partner status, loneliness, chronic diseases, and gait speed in multiple logistic regression models. Subsequently, associations were explored with the big five personality characteristics as well as early and recent life-events. First, multiple logistic regression analyses were conducted with the presence of any anxiety disorder (yes/no) as dependent variable, where after analyses were repeated for each anxiety disorder, separately.

In our sample, the prevalence rate of comorbid anxiety disorders in late-life depression was 38.6%. Determinants of comorbid anxiety disorders were a lower age, female sex, less education, higher depression severity, early traumatization, neuroticism, extraversion, and conscientiousness. Nonetheless, determinants differed across the specific anxiety disorders and lumping all anxiety disorder together masked some determinants (education, personality).

Our findings stress the need to examine determinants of comorbid anxiety disorder for specific anxiety disorders separately, enabling the development of targeted interventions within subgroups of depressed patients.

Caregiver burden is a complex and multidimensional construct. Although previous studies have explored numerous factors associated with caregiver burden, these factors have not been identified with a large population-based sample in a theory-based multidimensional way. This study explores multidimensional determinants associated with family caregiver burden to determine the main contributors of caregiver burden in Alzheimer's disease (AD) using a large community dataset.

A retrospective secondary data analysis was conducted on 1,133 patients with AD and 1,133 primary caregivers who were registered in a metropolitan city dementia center in South Korea. The patient data included socio-demographic and disease profiles. The caregiver data consisted of socio-demographic and caregiving profiles.

The study results identified that dementia-related factors were the most significant factors, representing 25.6% of caregiver burden and were followed by caregiving-related factors explaining caregiver burden significantly. Behavioral problems and instrumental activities of daily living (IADL) dependency of the patient, spousal relationship, hours of caregiving, and the number of diseases associated with the caregiver were found to be significant individual variables.

It is vital to develop a service and support program with a greater emphasis on the behavioral problems and IADL deficiency of patients with AD as well as on improving the competence ability of caregivers to deal with such difficulties.

To investigate the presence of neuropsychiatric symptoms (NPS) and sub-syndromes in elderly community-dwelling Asians with varying severity of cognitive impairment.

Chinese and Malay participants (n = 613) from the Epidemiology of Dementia in Singapore (EDIS) Study aged ≥ 60 years underwent clinical examination, neuropsychological testing, and NPS assessment using the Neuropsychiatric Inventory (NPI). Diagnosis of no cognitive impairment (NCI), cognitive impairment-no dementia (CIND), including CIND-mild and CIND-moderate, and dementia were made using established criteria.

A significant increase in the numbers of NPS was observed accompanying with increasing severity of cognitive impairment (p < 0.001). Compared to those with NCI/CIND-mild, participants with CIND-moderate [Odds ratio (OR): 4.2, 95% confidence interval (CI): 1.8–10.0] or dementia [OR: 9.2, 95% CI: 2.3–36.0] were more likely to have two or more neuropsychiatric sub-syndromes. Participants with CIND-moderate were more likely to have hyperactivity [OR: 2.0, 95% CI: 1.0–3.8] and apathy [OR: 2.9, 95% CI: 1.0–8.4] sub-syndromes, whereas patients with dementia were more likely to have psychosis [OR: 6.9, 95% CI: 2.4–20.1], affective (OR: 8.7, 95% CI: 1.8–42.9), and hyperactivity (OR: 5.4, 95% CI: 1.8–16.1). Furthermore, executive dysfunction and visual memory impairment were associated with the presence of three neuropsychiatric sub-syndromes; whist language and visuomotor speed impairment were related to the presence of two sub-syndromes. By contrast, impairment in attention, verbal memory, and visuoconstruction were not associated with any of the sub-syndromes.

The presence of NPS and sub-syndromes increase with increasing severities of cognitive impairment, and different neuropsychiatric syndromes are associated with specific impairment on cognitive domains in community-dwelling Asian elderly.

The Confusion Assessment Method (CAM) is the most widely used delirium screening instrument. The aim of this study was to evaluate the reliability and validity of the European Portuguese version of CAM.

The sample included elderly patients (≥65 years), admitted for at least 48 h, into two intermediate care units (ICMU) of Intensive Medicine and Surgical Services in a university hospital. Exclusion criteria were: score ≤11 on the Glasgow Coma Scale (GCS), blindness/deafness, inability to communicate and to speak Portuguese. For concurrent validity, a blinded assessment was conducted by a psychiatrist (DSM-IV-TR, as a reference standard) and by a trained researcher (CAM). This instrument was also compared with other cognitive measures to evaluate convergent validity. Inter-rater reliability was also assessed.

In this sample (n = 208), 25% (n = 53) of the patients had delirium, according to DSM-IV-TR. Using this reference standard, the CAM had a moderate sensitivity of 79% and an excellent specificity of 99%. The positive predictive value was 95%, indicating a strong ability to confirm delirium with a positive test result, and the negative predictive value was lower (93%). Good convergent validity was also found, in particular with Mini-Mental State Examination (MMSE) (rs = −0.676; p ≤0.01) and Digit Span Test (DST) forward (rs = −0.605; p ≤0.01), as well as a high inter-rater reliability (diagnostic k = 1.00; single items’ k between 0.65 and 1.00).

Robust results on concurrent and convergent validity and good reliability were achieved. This version was shown to be a valid and reliable instrument for delirium detection in elderly patients hospitalized in intermediate care units.

The relationship between late-life depression, poverty, social network, and perceived health is little studied in Africa; the magnitude of the problem remains largely unknown and there is an urgent need to research into this area.

We interviewed community dwelling elderly persons of two rural areas in Nigeria using Mini-Mental State Examination (MMSE) and Geriatric Depression Scale (GDS-30). Those who scored 11 and above on the GDS-30 were further interviewed using Geriatric Mental State Schedule (GMSS). Diagnosis of depression was based on the International Classification of Diseases 10th edition (ICD-10) and GMSS-Automated Geriatric Examination for Computer Assisted Taxonomy (GMMS-AGECAT).

A total of 458 community dwelling elderly persons participated in the study of which 57% were females. Mean age of the participants was 73.65(±7.8) years (95% CI 72.93–74.37). The mean GDS-30 and MMSE scores were 4.15(±4.80) and 21.73(±4.67), respectively. A total of 59 and 58 participants had depression based on ICD-10 criteria and GMSS-AGECAT, respectively. Agreement between ICD-10 and AGECAT diagnoses was κ = 0.931. By multiple logistic regression analysis, late-life depression was significantly associated with financial difficulties (Odds ratio 4.52 and bereavement Odds ratio 2.70).

Late-life depression in this cohort is associated with health and socio-economic factors that are worth paying attention to, in a region of economic deprivation and inadequate healthcare.

There are many quality of life (QOL) instruments for evaluating dementia patients. The QOL questionnaire for Dementia (QOL-D) is one of such instruments and a validated objective measure of QOL for patients with dementia. It comprises 31 items encompassing six domains. However, with 31 items, its length is a disadvantage. The purpose of this study was to develop a short version of QOL-D (short QOL-D).

We used data from two studies. The participants were 264 inpatients with dementia in the first sample and 395 outpatients at a memory clinic in the second sample. We used maximum likelihood factor analysis with promax rotation to reduce the number of items.

We produced a nine-item version of QOL-D (short QOL-D) with positive (six items) and negative (three items) dimensions. The correlation coefficients of short and total versions of QOL-D were 0.892–0.918 for total scores, 0.903–0.936 for positive dimension scores, and 0.788–0.837 for negative dimension scores. Total short QOL-D scores showed a significant correlation to the Geriatric Depression Scale score and the apathy score of the Neuropsychiatric Inventory.

The short QOL-D produced results comparable with that of the full version. Reducing the number of items may make administration of the instrument easier.