Sökning: "minimum age"

Visar resultat 11 - 15 av 75 avhandlingar innehållade orden minimum age.

  1. 11. Sex steroid hormone receptors : inner ear and hearing

    Författare :Rusana Simonoska; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : It is well known that hearing loss is more profound in elderly males than females, regardless of noise exposure. Also, an age-related hearing decline starts much earlier in males, already after the age of 30, while in women, the decline does not start until the age of 50. LÄS MER

  3. 12. Cambro-Ordovician microorganisms: acritarchs and endoliths

    Författare :Martin Stockfors; Malgorzata Vidal-Moczydlowska; John S. Peel; Kenneth John Dorning; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Earth sciences; Cambrian; Ordovician; acritarch; endolith; Kolguev Island; North Greenland; Stratigraphy; Geovetenskap; Earth sciences; Geovetenskap;

    Sammanfattning : Organic-walled microfossils are abundant and taxonomically diverse in Cambrian-Ordovician strata; some are important for biostratigraphy and for the correlation of geological successions. New assemblages of Cambrian-Ordovician acritarchs from Kolguev Island, Arctic Russia and Middle Cambrian ichnofossils of endoliths from Peary Land, North Greenland are studied. LÄS MER

  4. 13. Gallstone disease : Population based studies on risk factors, symptomatology and complications

    Författare :Ingvar Halldestam; Kurt Borch; Lars Granström; Linköpings universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Epidemiology; gallstone disease; symptomatology; complications; risk factors; Surgical research; Kirurgisk forskning;

    Sammanfattning : Background & aims: Gallstone disease is common, costly and its complications are sometimes life threatening. The aim of this thesis is to determine the prevalence and incidence in relation to putative risk factors in the general population. LÄS MER

  5. 14. Physical activity and well-being among adolescents: A public health perspective

    Författare :Birna Baldursdottir; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; adolescents; physical activity; depressive symptoms; sleep quality; intervention; pedometer; school setting; public health; health promotion;

    Sammanfattning : Background: Physical activity among adolescents is diminishing and worldwide about 80% of 13–15-year-old adolescents do not meet the public health guidelines of minimum 60 minutes of daily physical activity of at least moderate intensity. This decline in physical activity has serious consequences as lack of physical activity adversely affects physical and mental health. LÄS MER

  7. 15. Partial and General Equilibrium Effects of Unemployment Insurance : Identification, Estimation and Inference

    Författare :Mathias von Buxhoeveden; Björn Öckert; Johan Vikström; Rafael Lalive; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Labor Economics; Unemployment Insurance; Wage Level and Structure; Job Search; Duration Analysis; Econometric and Statistical Methods; Selection Models; Economics; Nationalekonomi;

    Sammanfattning : Essay I: Wage setting models typically posit a tight relationship between the generosity of unemployment insurance (UI) and equilibrium wages. This paper estimates the effect of UI on workers’ wages. LÄS MER