Sökning: "cohort differences"

Visar resultat 1 - 5 av 703 avhandlingar innehållade orden cohort differences.

  1. 1. Birth cohort differences in cognitive aging: Secular trends in cognitive functioning and decline over 30 years in three population-based Swedish samples

    Författare :Peter Karlsson; Göteborgs universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Aging; cardiovascular risk factors; cognitive decline; cohort differences; fluid and crystallized abilities; Flynn effect; longitudinal;

    Sammanfattning : The overarching aim of this thesis was to investigate birth cohort differences in level of cognitive functioning and change in later life in three population-based representative samples drawn from the Gerontological and Geriatric Population Studies in Gothenburg (H70), Sweden. We used data from cohorts, born in 1901-02, 1906-07, and 1930, measured at ages 70, 75, and 79 on the same cognitive measures. LÄS MER

  3. 2. A cohort study of sex differences and prognostic biomarkers in colorectal cancer

    Författare :Sakarias Wangefjord; Tumörmikromiljö; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; colorectal cancer; prognosis; treatment prediction; biomarkers; sex differences; cyclin D1; microsatellite instability; beta-catenin; KRAS mutation; BRAF mutation; EGFR expression; EGFR gene copy number alterations;

    Sammanfattning : Colorectal cancer (CRC) is one of the most common forms of cancer worldwide, with an annual incidence of more than 1 million cases. Despite advancements in the management of CRC, mortality remains high. LÄS MER

  4. 3. Individual differences in the aging memory : Mediation accounts, moderators, and contextual factors

    Författare :Ola Sternäng; Åke Wahlin; Lars-Göran Nilsson; Nancy Pedersen; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; cognitive aging; interactions; context; mediation accounts; cross-cultural; longitudinal; individual differences; Psychology; Psykologi; Psychology; psykologi;

    Sammanfattning : Within the field of cognitive aging, mediation accounts propose that age affects cognitive abilities through a mediator variable. Most of these mediation accounts are developed based on studies with cross-sectional designs. LÄS MER

  5. 4. Cariological and Salivary Studies in 70-Year-Old Cohorts

    Författare :Cecilia Johanson; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; cohort differences; cross-sectional; dental health; elderly; epidemiology; lifestyle; longitudinal; medication; population study; saliva; socioeconomic;

    Sammanfattning : Life expectancy after 65 years of age has increased markedly during the last decades, and is still increasing. The purpose of this thesis was to describe differences in dental health between 70- year-olds born in different years, to describe caries prevalence, incidence over a 6-year period in one cohort, and try to find risk factors for dental caries. LÄS MER

  7. 5. The psycho-metabolic consequences of sleep loss in people

    Författare :Lieve T. van Egmond; Christian Benedict; Veronica Witte; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Sleep; nutrition; metabolism; sleep deprivation; sex differences; weight differences; obesity; cognition; mediterranean diet; brain health; social evaluation; night work; occupational performance; emotion; vigilance; energy balance; diet; elderly; Fysiologi; Physiology; Nutrition; Nutrition; Neurology; Neurologi; Psychiatry; Psykiatri; Geriatrics; Geriatrik; Medicinsk vetenskap; Medical Science;

    Sammanfattning : Night work is vital for maintaining our 24/7 society; however, in the long run, it may have adverse health consequences like obesity and Alzheimer’s disease. By performing one of the most extensive experimental in-laboratory studies to date, I sought to investigate how sleep deprivation impacts important features like how a person responds to others and how well a person can sustain attention and wakefulness during simulated night work. LÄS MER