Search for dissertations about: "selection-bias"

Showing result 1 - 5 of 66 swedish dissertations containing the word selection-bias.

  1. 1. Epidemiology of dementia - with particular focus on time trends and methodology

    Author : Hanna Wetterberg; Göteborgs universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Dementia; epidemiology; selection bias; mortality; time trends; Epidemiology; Selection bias; Mortality; Time trends;

    Abstract : Dementia is a clinical syndrome characterised by deterioration in cognitive functions, which causes personal suffering and societal challenges. Studies investigating the incidence, prevalence, and mortality of dementia are needed for the understanding of the societal and economic burden of the disease. READ MORE

  2. 2. Essays on Capital Structure

    Author : Hossein Asgharian; Nationalekonomiska institutionen; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; economic theory; econometrics; Economics; Extreme Bound Analysis; Selection bias; Lisrel; Semiparametric; Nonparametric; Financial distress; Panel data analysis; Leverage; Capital structure; economic systems; economic policy; Nationalekonomi; ekonometri; ekonomisk teori; ekonomiska system; ekonomisk politik;

    Abstract : Chapter 2 analyses the relationship between capital structure and industry classification of Swedish firms. This study also analyses the determinants of the capital structure at the industry level. READ MORE

  3. 3. College choice and earnings among university graduates in Sweden

    Author : Kent Eliasson; Umeå universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; University enrollment; college choice; accessibility; earnings; ability; selection bias; propensity score matching; Economics; Nationalekonomi;

    Abstract : This thesis consists of three papers that examine college choice and earnings among university graduates in Sweden.Paper [I] analyzes how geographical accessibility to higher education affects university enrollment decisions in Sweden. READ MORE

  4. 4. Philosophical controversies in the evaluation of medical treatments : With a focus on the evidential roles of randomization and mechanisms in Evidence-Based Medicine

    Author : Alexander Mebius; John Cantwell; Jeremy Howick; Sven Ove Hansson; Julian Reiss; KTH; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; HUMANIORA; HUMANITIES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Evidence; randomized controlled trials; observational studies; systematic reviews; meta-analysis; methodology; process assessment; outcome assessment; medical care; randomization; evidence-based medicine; selection bias; philosophy of medicine; philosophy of science; mechanisms; quality of evidence; animal studies; treatment effect; causation by absence; medical technology; Filosofi; Philosophy;

    Abstract : This thesis examines philosophical controversies surrounding the evaluation of medical treatments, with a focus on the evidential roles of randomised trials and mechanisms in Evidence-Based Medicine. Current 'best practice' usually involves excluding non-randomised trial evidence from systematic reviews in cases where randomised trials are available for inclusion in the reviews. READ MORE

  5. 5. Urban women applying for induced abortion. Studies of epidemiology, attitudes and emotional reactions

    Author : Hanna Söderberg; gynekologisk och prenatal ultraljudsdiagnostik Obstetrisk; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Obstetrik; reproduction; sexuality; andrology; Obstetrics; gynaecology; Induced abortion; risk areas; continued pregnancy; socio-demographic differences; reasons for abortion; interview study; selection bias; emotional distress; repeat abortion; ethnic problems; use of an compliance with contraceptives; gynekologi; andrologi; reproduktion; sexualitet;

    Abstract : In Sweden between 32-38,000 women annually elect to terminate pregnancy by means of induced abortion, though their reasons are still not well understood. The purpose of these studies, carried out at the Department of Obstetrics and gynecology and of Community Medicine at University Hospital, Malmö, was to elucidate the incidence of induced abortion in an urban population, with special emphasis on epidemiological and socio-demographic factors, the women's attitude to abortion, and the incidence and severity of post-abortion emotional reactions. READ MORE