Sökning: "Ascertainment"

Visar resultat 21 - 25 av 30 avhandlingar innehållade ordet Ascertainment.

  1. 21. The worries of working : Longitudinal studies on the impact of employment uncertainty and employment transitions on clinically defined mental health conditions

    Författare :Sandra Blomqvist; Linda Magnusson Hanson; Hugo Westerlund; Sarah Burgard; Stockholms universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Employment uncertainty; Organizational downsizing; Job insecurity; Mental health; Psychotropic drugs; Suicide; Suicide attempt; Longitudinal studies; Survey data; Register data; Generalized Estimating Equations; Marginal Structural Models; folkhälsovetenskap; Public Health Sciences;

    Sammanfattning : While mental health problems according psychotropic drug purchases and sick leave spells for psychiatric disorders have increased in Sweden the past 15 years, this is not reflected in trends of psychiatric diagnoses or suicide mortality. In parallel, labor markets have undergone structural changes pressuring employers to increase their flexibility to ensure permanence. LÄS MER

  3. 22. Factors related to the occurrence of gastric adenocarcinoma subtypes

    Författare :Anna Mia Ekström; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :gastric; cancer; incidence; trend; cardia; Laurén; histologic; misclassification; antioxidant; completeness; vegetable; fruit; occupation; phenoxy; metal; forestry; Helicobacter pylori; smoking;

    Sammanfattning : Gastric cancer is the second most common cancer worldwide, but the etiology remains poorly understood. A spontaneous global decline has reduced the number of victims in most Western countries while Japan and China have screening programs in place due to the magnitude, and the serious prognosis, of this malignant disease. LÄS MER

  4. 23. Early detection of colorectal cancer

    Författare :Louise Olsson; Örebro universitet; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Audit; colorectal cancer; diagnosis; faecal DNA; family history; population-based; survival; symptom duration.;

    Sammanfattning : This thesis addresses the early detection of colorectal cancer from several aspects. An audit of the diagnostic process was conducted in 227/235 (97%) patients with recentlydiagnosed colorectal cancer in the County of Västmanland, Sweden in 1998-99. LÄS MER

  5. 24. Epidemiological studies of epilepsy : incidence and risk factors

    Författare :Cecilia Adelöw; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :seizure;

    Sammanfattning : Epilepsy is one of the most common serious neurological disorders leading to significant consequences for the affected. Despite the wealth of epidemiological data, there are still many un-answered questions. LÄS MER

  7. 25. Environmental risk factors for autism spectrum disorders

    Författare :Dheeraj Rai; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Aims: Two overarching hypotheses were tested in this thesis- first, that the environmental factors studied during pregnancy or the time preceding birth would be associated with a higher risk of autism spectrum disorders (ASD) in the offspring; and second, that these risk factors and/or their magnitude of associations may be different for autism spectrum disorders with and without intellectual disability (ID). Methods: Studies I-IV were case-control studies nested within a population-based cohort of all children 0 to 17 years old, living in Stockholm County between the years 2001 to 2007 (n=589,114). LÄS MER