Search for dissertations about: "nationwide population-based case-control study"

Showing result 1 - 5 of 34 swedish dissertations containing the words nationwide population-based case-control study.

2. 1. Cervical cancer prevention : studies on outcome of cervical screening and on management of abnormal cytology findings

   Author : Lena Silfverdal; Sven Törnberg; Ulf Högberg; Pekka Nieminen; Umeå universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Cervical cancer; screening programme; effectiveness; risk factors; cytological screening history; management abnormal Pap smear; treatment; nationwide population-based case-control study; Obstetrics and gynaecology; Obstetrik och gynekologi; Epidemiology; epidemiologi;

   Abstract : Background Screening by cytology has been highly effective in reducing the incidence and mortality from squamous invasive cervical cancer (ICC), but the effectiveness is less established regarding non-squamous ICC and regarding women above screening ages and below 30 years of age. Cervical cancer still occurs despite the presence of an organised screening programme. READ MORE

4. 2. Swedish moist snuff and the risk of cardiovascular diseases

   Author : Maria-Pia Hergens; Karolinska Institutet; Karolinska Institutet; []
   Keywords : Snuff; cardiovascular diseases; myocardial infarction; stroke; hypertension; case-control study; cohort study;

   Abstract : The snuff consumption in Sweden has increased substantially during recent decades and today more than every fifth male adult uses snuff daily. However, the evidence on health effects from long-term use of snuff is limited, especially regarding cardiovascular diseases. READ MORE

5. 3. Etiological aspects of gastroesophageal cancers : an epidemiological approach

   Author : Shahram Bahmanyar; Karolinska Institutet; Karolinska Institutet; []
   Keywords : Nutrition; dietary patterns; factor analysis; esophageal cancer; stomach cancer; gastric; cardia; non-cardia; adenocarcinoma; squamous-cell carcinoma; duodenal ulcer; gastric ulcer; estrogen; parity; risk; case-control study; cohort study; nested case-control study; odds ratio; standardized incidence ratio;

   Abstract : Aims: The aims of this thesis were to study the association of overall dietary habits, duodenal ulcer and gastric ulcer diseases, as two models of Helicobacter pylori (H. pylori) infection and the development of gastroesophageal cancers to further explore the etiology of these malignancies. READ MORE

6. 4. Non-Hodgkin's lymphoma : a search for causes

   Author : Johanna Adami; Karolinska Institutet; Karolinska Institutet; []
   Keywords : non-Hodgkin s Iymphoma; malignant melanoma; squamous cell skin cancer; case control study; cohort study; ultraviolet light; maternal factors; perinatalfactors; tobacco use; blood transfusion; occupation.;

   Abstract : The aim of this thesis was to investigate some factors of possible importance for the development of non-Hodgkin's lymphoma (NHL), namely ultraviolet (UV) light, maternal and perinatal characteristics, blood transfusions, and smoking. To test the UV light hypothesis, a cohort study of secondary occurrence of skin cancer (malignant melanoma and squamous cell skin cancer) following NHL, and of NHL following skin cancer, was executed. READ MORE

7. 5. Aspects of gastroesophageal reflux and risk for esophageal cancer : an epidemiological approach

   Author : Weimin Ye; Karolinska Institutet; Karolinska Institutet; []
   Keywords : Gastroesophageal reflux; anti-reflux surgery; esophagus; adenocarcinoma; squamous- cell carcinoma; H. pylori; gastric atrophy; DNA repair gene; polymorphism; cohort study; case-control study; relative risk;

   Abstract : Aims: The aims of this study were to confirm, in a prospective study, the link between gastroesophageal reflux. and risk of adenocarcinoma of the esophagus and gastroesophageal junction observed in retrospective studies, to investigate into the effects of anti-reflux surgery, and to shed light on some possible mechanisms behind the alleged carcinogenicity. READ MORE