To examine the association between marital status and dementia in a cohort of young-old (50-64) middle-old (65-74) adults, also whether this may differ by gender.Prospective population-based study with follow-up time up to 10 years.Swedish national register-based study.2,288,489 individuals, aged 50-74 years, without prior diagnosis at baseline. Dementia was identified using Swedish National Patient Register Cause Death Register.The influence on analysed Cox proportional hazards models,...

Abstract Objectives To examine the effect of perceived loneliness on development dementia (all-cause), Alzheimer´s disease (AD), and vascular (VaD). Method The study comprised 1,905 nondemented participants at baseline, drawn from longitudinal Betula in Sweden, with a follow-up time up to 20 years (mean 11.1 years). Loneliness was measured single question: “Do you often feel lonely?”. Results During follow-up, 428 developed dementia; 221 had AD, 157 VaD, 50 other subtypes. entire group is...

Abstract Introduction The objective was to examine whether subjective memory impairment (SMI) predicts all‐cause dementia or Alzheimer's disease (AD) in a population‐based study with long‐term follow‐up (median = 10 years). Methods A total of 2043 initially dementia‐free participants (≥ 60 years) made three ratings (“compared others”, “compared five years ago”, and “complaints from family/friends”) at baseline. During follow‐up, 372 developed (208 AD). Results Cox regression revealed that...

Mousavi‐Nasab, S.‐M.‐H., Kormi‐Nouri, R., Sundström, A. & Nilsson, L.‐G. (2012). The effects of marital status on episodic and semantic memory in healthy middle‐aged old individuals. Scandinavian Journal Psychology 53, 1–8. present study examined the influences different tasks. A total 1882 adult men women participated a longitudinal project (Betula) memory, health aging. participants were grouped into two age cohorts, 35–60 65–85, studied over period 5 years. Episodic tasks concerned...

ABSTRACT Background: This study examines the association between marital and parental status their individual combined effect on risk of dementia diseases in a population-based longitudinal while controlling for range potential confounders, including social networks exposure to stressful negative life events. Methods: A total 1,609 participants without dementia, aged 65 years over, were followed an average period 8.6 (SD = 4.8). During follow-up, 354 diagnosed with dementia. Cox regression...

ABSTRACT Background: The impact of stressful life events as a risk factor dementia diseases is inconclusive. We sought to determine whether negative are associated with incidental in population-based study long-term follow-up. also tested the hypothesis that occurrence positive could mitigate or overcome possible adverse effects on conversion. Methods: involved 2,462 dementia-free participants aged 55 years and older. Information was ascertained at baseline from comprehensive Life Event...

ABSTRACT The longitudinal effects of perceived stress on measures memory and two other cognitive functions (word fluency, visuospatial ability) in a middle-aged sample (40–60 years, M age = 47.1 SD 6.1 years; n 192) were examined. A group describing themselves as stressed general at baseline, follow-up measurement 5 10 years later (n 96) was compared with matched (age, sex) low-stress 96). results revealed more depressive symptoms over time the high-stress group. With regard to memory,...

Objectives To examine the association between self‐reported memory failures and incident dementia in individuals aged 60 older. Design Longitudinal, community based. Setting Betula Prospective Cohort Study, a population‐based study Umeå, Sweden. Participants Individuals with mean age of 71.5 ± 8.8 (range 60–90) (N = 1,547). Measurements rated frequency everyday using 16‐item Retrospective Memory Questionnaire ( PRMQ ) underwent objective testing at baseline. Participant self‐reports...

ABSTRACT Background: The objective was to examine whether aspects of social relationships in old age are associated with all-cause dementia and Alzheimer's disease (AD). Methods: We studied 1,715 older adults (≥ 65 years) who were dementia-free at baseline over a period up 16 years. Data on living status, contact/visit frequency, satisfaction contact having/not having close friend analyzed using Cox proportional hazards regressions or AD as the dependent variable. To control for reverse...

Associations between long-term exposure to ambient air pollution and cognitive function have been observed in a few longitudinal studies. Our aim was investigate the association episodic memory, marker of early decline. We used data from Betula study Northern Sweden, included participants 60 85 age at inclusion, 1,469 persons total. The were followed for up 22 years, five years apart 1988 2010. A composite tasks as measure memory (EMM), five-year change EMM score (ΔEMM) calculated such that...

The objective of the present study was to examine relations between social network size and three cognitive abilities (episodic memory, semantic visuospatial ability) in middle-aged adults. We analyzed cross-sectional data on functioning that were available for 804 participants aged 40-60 years. In addition, we examined 5- 10-year follow-up measurements 604 255 participants, respectively. Cross-sectional analyses revealed a positive association each abilities. Baseline positively related...

Prospective studies suggest that memory deficits are detectable decades before clinical symptoms of dementia emerge. However, individual differences in long-term trajectories prior to diagnosis need be further elucidated. The aim the current study was investigate and mortality risk for individuals with different trajectory profiles a well-characterized population-based sample.1062 adults (aged 45-80 years) who were non-demented at baseline followed over 23-28 years. Dementia studied three...

The aim of this nationwide study was to examine the association between age at retirement and dementia risk, with a follow-up period up 24 years.This cohort comprised Swedish citizens born in 1930 who were alive year 1990 (n = 63 505). followed for incidents through data provided by National Patient Register Cause Death Register. Age socioeconomic variables retrieved from Statistics Sweden.During follow-up, 5181 individuals received diagnosis. Competing risk regression models, adjusted sex,...

The aim of this study was to investigate occupational cognitive complexity main lifetime occupation in relation level and 15-year change episodic memory recall a sample older adults (≥ 65 years, n = 780).We used latent growth curve modelling with (O*NET indicators) as independent variable.Subgroup analyses middle-aged (mean: 49.9 years) men (n 260) were additionally performed if general ability (g) factor at age 18 predictive future performance midlife.For the sample, higher related (β 0.15,...

High mental demands at work was examined as a possible protective factor to reduce the risk of dementia in 1,277 initially dementia-free participants, aged 60 years and older. The cohort followed for mean 13.6 years. During follow-up, 376 participants developed all-cause (Alzheimer's disease = 199; vascular 145). association between analyzed with Cox hazard models, adjusted range covariates. results revealed no significant incidence dementia. Based on measures used this study, it concluded...

There is increasing evidence that social network factors may affect risk of developing dementia. The objective the present study was to examine association between marital and parental status separately their combined effect on incident dementia Alzheimer's disease (AD). A total 1707 members a population-based prospective cohort aged 65 over were followed for an average period 9.5 years. During follow-up, 393 participants diagnosed with dementia, including 221 Age, sex, education, smoking,...