Sökning: "case-control study"

Visar resultat 11 - 15 av 581 avhandlingar innehållade orden case-control study.

1. 11. Lung cancer in males : an epidemiological study in northern Sweden with special regard to smoking and occupation

   Författare :Lena Damber; Umeå universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; case-control study; epidemiology; lung cancer; occupational risk; factors; smoking; radon; cell types; validity;

   Sammanfattning : In a case-control study comprising 589 cases of male lung cancer in northern Sweden longitudinal data concerning occupations, employments and smoking habits were collected by questionnaires.Pipe smoking was as common as cigarette smoking and gave very similar relative risk. LÄS MER

3. 12. Prospective studies of hormonal and life-style related factors and risk of cancer

   Författare :Sara Wirén; Pär Stattin; Håkan Jonsson; Tanja Stocks; Alicja Wolk; Umeå universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; prostate cancer; epidemiology; androgens; risk factors; fatherhood status; dizygotic twins; height; cohort; case-control; prospective; Cancer Epidemiology; cancerepidemiologi;

   Sammanfattning : Background: Androgens are important in prostate cancer development but how circulating levels of androgens affect risk of prostate cancer of different aggressiveness is not clear. Being childless has been associated with a lower risk of prostate cancer, but it is not clear if this association is causal or a result of residual confounding. LÄS MER

4. 13. Female sex hormones and health outcomes in women with specific focus on asthma

   Författare :Guo-Qiang Zhang; Göteborgs universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; asthma; Bayesian estimation; case-control; causal inference; estrogens; female sex hormones; hormonal contraceptives; menarche; menopausal hormone therapy; menopause; meta-analysis; multiple imputation; progestogens; research reproducibility; robust variance estimation; systematic review; umbrella review; women;

   Sammanfattning : In humans, gender differences exist across a wide spectrum of diseases. For instance, women are more likely to develop Sjogren’s syndrome, systemic lupus erythematosus, and autoimmune thyroid disease compared to men. LÄS MER

5. 14. Maternal Mortality Then, Now, and Tomorrow : The Experience of Tigray Region, Northern Ethiopia

   Författare :Hagos Godefay Debeb; John Kinsman; Peter Byass; Afework Mulugeta; Wendy Graham; Bernt Lindtjoern; Umeå universitet; []
   Nyckelord :Maternal mortality; intervention; ambulance; family folder; case-control; cross-sectional survey; verbal autopsy; Tigray; Ethiopia; epidemiologi; Epidemiology;

   Sammanfattning : AbstractBackground: Maternal mortality is one of the most sensitive indicators of the health disparities between poorer and richer nations. It is also one of the most difficult health outcomes to measure reliably. In many settings, major challenges remain in terms of both measuring and reducing maternal mortality effectively. LÄS MER

7. 15. Nonmalignant health effects of arsenic exposure

   Författare :Mahfuzar Rahman; Per Gustavsson; Linköpings universitet; []
   Nyckelord :arsenic; case-control study; cross-sectional study; diabetes mellitus; drinking water; epidemiology; exposure; keratosis; public health. hypertension; risk factors; MEDICINE; MEDICIN;

   Sammanfattning : This thesis comprises a series of studies concerning occupational and environmental exposure to arsenic and some novel chronic health effects of this element, namely diabetes mellitus and hypertension. Substantial prevalence of the well-known skin manifestations of arsenic ingestion was also found to occur as a result of environmental exposure through drinking water. LÄS MER