Sökning: "relative bias"

Visar resultat 21 - 25 av 122 avhandlingar innehållade orden relative bias.

  1. 21. Eating habits among adolescents and their mothers : Stockholm Weight Development Study (SWEDES)

    Författare :Karin Vågstrand; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Adolescents; mother-child; reporting bias; underreporters; overreporters; eating habits; sugar intake; soft drinks; meal patterns; overweight; body fatness; BMI; carciogenic bacteria; gender;

    Sammanfattning : The aims of this thesis were threefold. Firstly, to explore the possibility to improve the quality of dietary data and to identify under- and overreporters of energy intake. Secondly, to investigate the eating habits of adolescents and the association with overweight. Thirdly, to study the associations between maternal and child eating habits. LÄS MER

  3. 22. Risk factors for the development of chronic renal failure : epidemiological studies on the role of analgesic use, occupational exposures and socioeconomic background

    Författare :Michael Fored; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Kidney failure; chronic; Analgesics; non-narcotic; Case-control study; Risk factors; Acetaminophen; Paracetamol; Aspirin; Acetylsalicylic acid; Bias epidemiology ; Education; Socioeconomic factors; occupations; Occupational exposure; Solvents; Metals; heavy; Silicon compounds; Dust.;

    Sammanfattning : Chronic renal failure is a severe condition that reduces life expectancy and typically progresses to end-stage renal disease and a need for renal replacement therapy. In a large proportion of cases, chronic renal failure evolves from known renal or systemic diseases, but in some cases the pathogenesis remains unknown. LÄS MER

  4. 23. Environmental and genetic factors in lung cancer : epidemiologocal and biomolecular studies focusing on nonsmokers

    Författare :Fredrik Nyberg; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Lung cancer; case-control study; smoking misclassification; exposure misclassification; validation; bias; nonsmoker; smoking; environmental tobacco smoke; ETS; diet; biomarker; glutathione S transferase; GSTM1; N-acetyl transferase; NAT2; hypoxanthine-guanine phosphoribosiyl transferase; hprt; DNA; adducts;

    Sammanfattning : Tobacco smoking is the major cause of lung cancer. Other risk factors include exposure to environmental tobacco smoke (ETS), dietary habits and genetic factors. When studying such risk factors, confounding from smoking presents a pervasive methodological problem. LÄS MER

  5. 24. Studies on economic growth and inflation : theory and empirics

    Författare :George Adu; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Sammanfattning : This thesis consists of four independent papers. Paper I examines the effect of environmental policy on economic growth in a small open economy in a neoclassical framework with pollution as an input. LÄS MER

  7. 25. Essays on exchange rates and international finance

    Författare :Marianne Nessén; Handelshögskolan i Stockholm; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Sammanfattning : This dissertation consists of three essays. Essay 1: Common Trends in Prices and Exchange Rates – Tests of Long-Run Purchasing Power Parity. This essay examines the empirical validity of long-run purchasing power parity by means of multivariate cointegration tests due to Johansen (1988, 1991a). LÄS MER