Visar resultat 1 - 5 av 152 avhandlingar innehållade ordet confounders.
Sammanfattning : About two percent of Swedish newborn infants are born with a significant congenital malformations which is reported to the Swedish Registry of Congenital Malformations (RCM), and/or the Swedish Medical Birth Registry (MBR). In spite of persistent public health recommendations, about 16% of the Swedish pregnant women are smoking during pregnancy (1996). LÄS MER
Sammanfattning : The thesis consists of an introduction and two papers. In the introduction a brief historical survey of empirical investigations into the effectiveness of medicinal interventions is given. Also, the main ideas of the EBM (evidence-based medicine) movement are presented. LÄS MER
3. Dietary fat as an exposure in epidemiological studies. Observations in the Malmö Diet and Cancer cohort
Sammanfattning : The aim was to explore the inherent meaning of total fat and to examine the associations between relative fat intake and postmenopausal breast cancer. Furthermore, the impacts of the alterations in dietary assessment routines are discussed. This thesis uses data from the Malmö Diet and Cancer study, a prospective cohort study. LÄS MER
Sammanfattning : In public health and policy making, understanding the overall impact of an intervention is of essential importance. A way to quantify the disease burden due to some risk factor is by the attributable fraction (AF). LÄS MER
5. Lumbar puncture in psychiatric research : on the impact of confounding factors on monoamine compounds in cerebrospinal fluid
Sammanfattning : Lumbar puncture has for many years been a tool for investigations of cerebrospinal fluid (CSF) in man. The method has been in use since 1891 and is common in neurology, and other medical specialities. LÄS MER