Browsing BioMed Central høstingsarkiv by Author "Laake, Petter"
Now showing items 1-6 of 6
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Bøhn, Siv K; Myhrstad, Mari C; Thoresen, Magne; Holden, Marit; Karlsen, Anette; Tunheim, Siv H; Erlund, Iris; Svendsen, Mette; Seljeflot, Ingebjørg; Moskaug, Jan Ø; Duttaroy, Asim K; Laake, Petter; Arnesen, Harald; Tonstad, Serena; Collins, Andrew; Drevon, Christan A; Blomhoff, Rune (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2010)Background Plant-based diets rich in fruit and vegetables can prevent development of several chronic age-related diseases. However, the mechanisms behind this protective effect are not elucidated. We have ...
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Frøslie, Kathrine F; Røislien, Jo; Laake, Petter; Henriksen, Tore; Qvigstad, Elisabeth; Veierød, Marit B (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2010)Background Although the general statistical advice is to keep continuous exposure variables as continuous in statistical analyses, categorisation is still a common approach in medical research. In a recent ...
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Kristoffersen, Doris T; Helgeland, Jon; Clench-Aas, Jocelyne; Laake, Petter; Veierød, Marit B (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)Background Mortality is a widely used, but often criticised, quality indicator for hospitals. In many countries, mortality is calculated from in-hospital deaths, due to limited access to follow-up data on ...
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Dalen, Ingvild; Buonaccorsi, John P; Laake, Petter; Hjartåker, Anette; Thoresen, Magne (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2006)Background Regression calibration as a method for handling measurement error is becoming increasingly well-known and used in epidemiologic research. However, the standard version of the method is not ...
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Parr, Christine L; Veierød, Marit B; Laake, Petter; Lund, Eiliv; Hjartåker, Anette (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2006)Background The Norwegian Women and Cancer Study (NOWAC) is a national population-based cohort study with 102 443 women enrolled at age 30–70 y from 1991 to 1997. The present study was a methodological ...
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Fagerland, Morten W; Lydersen, Stian; Laake, Petter (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)Background Statistical methods that use the mid-p approach are useful tools to analyze categorical data, particularly for small and moderate sample sizes. Mid-p tests strike a balance between overly ...