Petter Laake

Professor Emeritus - Department of Biostatistics
Image of Petter Laake
Norwegian version of this page
Phone +47 22851235
Room 1218
Username
Visiting address Sognsvannsveien 9 Domus Medica 0372 Oslo
Postal address Postboks 1122 Blindern 0317 Oslo

Academic interests

  • Statistical methods for the medical sciences
  • Research methods
  • Applications of biostatistics
  • Teaching

Courses taught

  • Research methods
  • Courses in biostatistics for PhD-students
  • Leader of Block 1: Statistics, health, biology and society in Module 1 of Oslo 2014.

Background

Education

  • M.Sc. (Statistics) University of Oslo 1973
  • Dr.philos. (Statistics) University of Oslo 1988

Academic positions

  • 1973-1979 Central Bureau of Statistics.
  • 1980-1988: University of Oslo, Department of Statistics and Computing, Associate Professor
  • 1989-1991 University of Oslo, Section of Medical Statistics, Research Advisor (Norwegian Research Council)
  • 1992-2000 University of Oslo, Section of Medical Statistics, Professor
  • 2001-2009 University of Oslo, Faculty of Medicine, Coordinator of the Doctoral Programme
  • 2010- University of Oslo, Department of Biostatistics, Professor, Institute of Basic Medical Sciences
Tags: Biostatistics

Publications

  • Mundal, Ingunn Pernille; Laake, Petter; Mezzich, Juan; Bjørkly, Stål & Lara Cabrera, Mariela Loreto (2021). Assessment of the quality of life in parents of children with ADHD : validation of the Multicultural Quality of Life in Norwegian pediatric mental health settings. Frontiers in Psychology. ISSN 1664-1078. 12, p. 1–10. doi: 10.3389/fpsyg.2021.638006. Full text in Research Archive
  • Linge, Anita; Jensen, Chris; Laake, Petter & Bjørkly, Stål (2021). Changes to body mass index, work self-efficacy, health-related quality of life, and work participation in people with obesity after vocational rehabilitation : a prospective observational study . BMC Public Health. ISSN 1471-2458. 21, p. 1–11. doi: 10.1186/s12889-021-10954-y.
  • Brevik, Thea Beate; Trope, Ameli; Laake, Petter & Bjørkly, Stål (2021). Does women’s screening history have any impact on mammography screening attendance after tailored education? : A systematic review and meta-analysis . Medical Care. ISSN 0025-7079. 59(10), p. 893–900. doi: 10.1097/MLR.0000000000001576.
  • Bjørkly, Stål; Laake, Petter; Roaldset, John Olav & Douglas, Kevin Stewart (2021). The Safe pilot study : a prospective naturalistic study with repeated measures design to test the psychosis - violence link in and after discharge from forensic facilities. Psychiatry Research. ISSN 0165-1781. 298(April), p. 1–7. doi: 10.1016/j.psychres.2021.113793.
  • Linge, Anita; Jensen, Chris; Laake, Petter & Bjørkly, Stål (2021). Lifestyle and work-related factors associated with work ability and work participation for people with obesity: A prospective observational study after vocational rehabilitation. Diabetes, Metabolic Syndrome and Obesity. ISSN 1178-7007. 14, p. 2943–2954. doi: 10.2147/DMSO.S311462.
  • Brevik, Thea Beate; Laake, Petter & Bjørkly, Stål (2020). Effect of culturally tailored education on attendance at mammography and the Papanicolaou test. Health Services Research (HSR). ISSN 0017-9124. 55(3), p. 457–468. doi: 10.1111/1475-6773.13271. Full text in Research Archive
  • Løvgren, Pia Jorde; Laake, Petter; Reitan, Solveig Merete Klæbo & Narud, Kjersti (2020). Assessing psychotic symptoms in forensic evaluations of criminal responsibility–a pilot study using Positive And Negative Syndrome Scale. Journal of Forensic Psychiatry & Psychology. ISSN 1478-9949. 31(4), p. 490–502. doi: 10.1080/14789949.2020.1771402. Full text in Research Archive
  • Lydersen, Stian; Fagerland, Morten & Laake, Petter (2019). Alternativer til Fishers eksakte test. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(14), p. 1397–1397. doi: 10.4045/tidsskr.19.0238.
  • Bærug, Anne Bergljot; Sletner, Line; Laake, Petter; Fretheim, Atle; Løland, Beate Fossum & Waage, Christin [Show all 8 contributors for this article] (2018). Recent gestational diabetes was associated with mothers stopping predominant breastfeeding earlier in a multi-ethnic population. Acta Paediatrica. ISSN 0803-5253. 107(6), p. 1028–1035. doi: 10.1111/apa.14274. Full text in Research Archive
  • Kristoffersen, Doris Tove; Helgeland, Jon; Clench-Aas, Jocelyne; Laake, Petter & Veierød, Marit Bragelien (2018). Observed to expected or logistic regression to identify hospitals with high or low 30-day mortality? PLOS ONE. ISSN 1932-6203. 13(4). doi: 10.1371/journal.pone.0195248. Full text in Research Archive
  • Wierenga, Lara M.; Sexton, Joseph; Laake, Petter; Giedd, Jay N. & Tamnes, Christian Krog (2018). A Key Characteristic of Sex Differences in the Developing Brain: Greater Variability in Brain Structure of Boys than Girls . Cerebral Cortex. ISSN 1047-3211. 28(8), p. 2741–2751. doi: 10.1093/cercor/bhx154. Full text in Research Archive
  • Bærug, Anne Bergljot; Laake, Petter; Løland, Beate Fossum; Tylleskär, Thorkild; Tufte, Elisabeth & Fretheim, Atle (2017). Explaining socioeconomic inequalities in exclusive breast feeding in Norway. Archives of Disease in Childhood. ISSN 0003-9888. 102(8), p. 708–714. doi: 10.1136/archdischild-2016-312038.
  • Paur, Ingvild; Lilleby, Wolfgang; Bøhn, Siv Kjølsrud; Hulander, Erik; Klein, Willibrord & Vlatkovic, Ljiljana [Show all 19 contributors for this article] (2016). Tomato-based randomized controlled trial in prostate cancer patients: Effect on PSA. Clinical Nutrition. ISSN 0261-5614. 36(3), p. 672–679. doi: 10.1016/j.clnu.2016.06.014. Full text in Research Archive
  • Buonaccorsi, John P.; Dalen, Ingvild; Laake, Petter; Hjartåker, Anette; Engeset, Dagrun & Thoresen, Magne (2015). Sensitivity of regression calibration to non-perfect validation data with application to the Norwegian Women and Cancer Study. Statistics in Medicine. ISSN 0277-6715. 34(8), p. 1389–1403. doi: 10.1002/sim.6420.
  • Fagerland, Morten; Lydersen, Stian & Laake, Petter (2015). Recommended confidence intervals for two independent binomial proportions. Statistical Methods in Medical Research. ISSN 0962-2802. 24(2), p. 224–254. doi: 10.1177/0962280211415469.
  • Lehre, Anne- Catherine W G; Laake, Petter & Sexton, Joseph Andrew (2014). Using Quantile Distance Functions to Assess Inter- and Intrasex Variability in PISA Achievement Scores. In Strietholt, Rolf; Bos, Wilfred; Gustafsson, Jan-Eric & Rosén, Monica (Ed.), Educational Policy Evaluation through International Comparative Assessments. Waxmann Verlag. ISSN 978-3-8309-3091-4. p. 177–190.
  • Fagerland, Morten; Lydersen, Stian & Laake, Petter (2014). Recommended tests and confidence intervals for paired binomial proportions. Statistics in Medicine. ISSN 0277-6715. 33(16), p. 2850–2875. doi: 10.1002/sim.6148.
  • Birkeflet, Oddveig; Laake, Petter & Vøllestad, Nina Køpke (2014). Poor multi-rater reliability in TCM pattern diagnoses and variation in the use of symptoms to obtain a diagnosis. Acupuncture in Medicine. ISSN 0964-5284. 32(4), p. 325–332. doi: 10.1136/acupmed-2013-010473.
  • Buonaccorsi, John P.; Laake, Petter & Veierød, Marit Bragelien (2014). On the power of the Cochran-Armitage test for trend in the presence of misclassification. Statistical Methods in Medical Research. ISSN 0962-2802. 23(3), p. 218–243. doi: 10.1177/0962280211406424.
  • Buonaccorsi, John P.; Laake, Petter & Veierød, Marit Bragelien (2014). On the power of the Cochran-Armitage test for trend in the presence of misclassification. Statistical Methods in Medical Research. ISSN 0962-2802. 3, p. 218–243. doi: 10.1177/0962280211406424.
  • Lehre, Anne- Catherine W G; Hansen, Arvid Hedley; Lehre, Knut Petter Dæhlin & Laake, Petter (2014). Effects of the 2003 Quality Reform on Gender Gaps in Student Learning Outcomes in Norwegian Higher Education. Scandinavian Journal of Educational Research. ISSN 0031-3831. 58(3), p. 315–336. doi: 10.1080/00313831.2012.732602.
  • Lehre, Anne- Catherine W G; Laake, Petter & Sexton, Joseph (2013). Differences in birth weight by sex using adjusted quantile distance functions. Statistics in Medicine. ISSN 0277-6715. 32(17), p. 2962–2970. doi: 10.1002/sim.5744.
  • Ringdal, Kjetil G.; Skaga, Nils Oddvar; Steen, Petter Andreas; Hestnes, Morten; Laake, Petter & Jones, J. Mary [Show all 7 contributors for this article] (2013). Classification of comorbidity in trauma: The reliability of pre-injury ASA physical status classification. Injury. ISSN 0020-1383. 44(1), p. 29–35. doi: 10.1016/j.injury.2011.12.024.
  • Karlsen, Anette; Svendsen, Mette; Seljeflot, Ingebjørg; Laake, Petter; Duttaroy, Asim K. & Drevon, Christian A [Show all 9 contributors for this article] (2013). Kiwifruit decreases blood pressure and whole-blood platelet aggregation in male smokers. Journal of Human Hypertension. ISSN 0950-9240. 27(2), p. 126–130. doi: 10.1038/jhh.2011.116.
  • Fagerland, Morten; Lydersen, Stian & Laake, Petter (2013). The McNemar test for binary matched-pairs data: mid-p and asymptotic are better than exact conditional. BMC Medical Research Methodology. ISSN 1471-2288. 13. doi: 10.1186/1471-2288-13-91. Full text in Research Archive
  • Lydersen, Stian; Fagerland, Morten & Laake, Petter (2012). Categorical data and contingency tables. In Veierød, Marit Bragelien; Lydersen, Stian & Laake, Petter (Ed.), Medical statistics in clinical and epidemiological research. Gyldendal Akademisk. ISSN 9788205399594. p. 48–89.
  • Fagerland, Morten; Eide, Geir Egil & Laake, Petter (2012). Linear regression. In Veierød, Marit Bragelien; Lydersen, Stian & Laake, Petter (Ed.), Medical statistics in clinical and epidemiological research. Gyldendal Akademisk. ISSN 9788205399594. p. 126–166.
  • Veierød, Marit Bragelien; Lydersen, Stian & Laake, Petter (2012). Design and analysis. In Veierød, Marit Bragelien; Lydersen, Stian & Laake, Petter (Ed.), Medical statistics in clinical and epidemiological research. Gyldendal Akademisk. ISSN 9788205399594. p. 23–44.
  • Sexton, Joseph & Laake, Petter (2012). Boosted coefficient models. Statistics and computing. ISSN 0960-3174. 22(4), p. 867–876. doi: 10.1007/s11222-011-9253-0.
  • Sexton, Joseph; Blomhoff, Rune; Karlsen, Anette & Laake, Petter (2012). Adaptive combination of dependent tests. Computational Statistics & Data Analysis. ISSN 0167-9473. 56(6), p. 1935–1943. doi: 10.1016/j.csda.2011.11.018.
  • Birkeflet, Oddveig; Laake, Petter & Vøllestad, Nina Køpke (2012). Traditional Chinese medicine patterns and recommended acupuncture points in infertile and fertile women. Acupuncture in Medicine. ISSN 0964-5284. 30(1), p. 12–16. doi: 10.1136/acupmed-2011-010089.
  • Kristoffersen, Doris Tove; Helgeland, Jon; Clench-Aas, Jocelyne; Laake, Petter & Veierød, Marit Bragelien (2012). Comparing hospital mortality - how to count does matter for patients hospitalized for acute myocardial infarction (AMI), stroke and hip fracture. BMC Health Services Research. ISSN 1472-6963. 12. doi: 10.1186/1472-6963-12-364.
  • Birkeflet, Oddveig; Laake, Petter & Vøllestad, Nina Køpke (2011). Low inter-rater reliability in traditional Chinese medicine for female infertility. Acupuncture in Medicine. ISSN 0964-5284. 29(1), p. 51–57. doi: 10.1136/aim.2010.003186.
  • Haj Yasein, Nadia Nabil; Vindedal, Gry Fluge; Eilert-Olsen, Martine; Gundersen, Georg Andreas; Skare, Øivind & Laake, Petter [Show all 11 contributors for this article] (2011). Glial-conditional deletion of aquaporin-4 (Aqp4) reduces blood-brain water uptake and confers barrier function on perivascular astrocyte endfeet. Proceedings of the National Academy of Sciences of the United States of America. ISSN 0027-8424. 108(43), p. 17815–17820. doi: 10.1073/pnas.1110655108.
  • Lehre, Anne- Catherine W G; Rowley, Nicole; Zhou, Yun; Holmseth, Silvia; Guo, Chungang & Holen, Torgeir [Show all 16 contributors for this article] (2011). Deletion of the betaine-GABA transporter (BGT1; slc6a12) gene does not affect seizure thresholds of adult mice. Epilepsy Research. ISSN 0920-1211. 95(1-2), p. 70–81. doi: 10.1016/j.eplepsyres.2011.02.014.
  • Karlsen, Anette; Svendsen, Mette; Seljeflot, Ingebjørg; Sommernes, Mary-Ann; Sexton, Joseph & Brevik, Asgeir [Show all 23 contributors for this article] (2011). Compliance, tolerability and safety of two antioxidant-rich diets: a randomised controlled trial in male smokers. British Journal of Nutrition. ISSN 0007-1145. 106(4), p. 557–571. doi: 10.1017/S0007114511000353.
  • Kjelsberg, Ellen & Laake, Petter (2010). Is the high mortality risk in sentenced offenders independent of previous imprisonment? European Journal of Epidemiology (EJE). ISSN 0393-2990. 25(4), p. 237–243. doi: 10.1007/s10654-010-9436-6.
  • Karlsen, Anette; Paur, Ingvild; Bøhn, Siv Kjølsrud; Sakhi, Amrit Kaur; Borge, Grethe iren andersen & Serafini, Mauro [Show all 10 contributors for this article] (2010). Bilberry juice modulates plasma concentration of NF-kappa B related inflammatory markers in subjects at increased risk of CVD. European Journal of Nutrition. ISSN 1436-6207. 49(6), p. 345–355. doi: 10.1007/s00394-010-0092-0.
  • Bøhn, Siv Kjølsrud; Myhrstad, Mari Charlotte; Thoresen, Magne; Holden, Marit; Karlsen, Anette & Tunheim, Siv Haugen [Show all 17 contributors for this article] (2010). Blood cell gene expression associated with cellular stress defense is modulated by antioxidant-rich food in a randomised controlled clinical trial of male smokers. BMC Medicine. ISSN 1741-7015. 8. doi: 10.1186/1741-7015-8-54.
  • Frøslie, Kathrine Frey; Røislien, Jo; Laake, Petter; Henriksen, Tore; Qvigstad, Elisabeth & Veierød, Marit Bragelien (2010). Categorisation of continuous exposure variables revisited. A response to the Hyperglycaemia and Adverse Pregnancy Outcome (HAPO) Study. BMC Medical Research Methodology. ISSN 1471-2288. 10. doi: 10.1186/1471-2288-10-103.
  • Haglerød, Camilla Margrete; Kapica, Aida; Boulland, Jean-Luc; Hussain, Suleman; Holen, Torgeir & Skare, Øivind [Show all 10 contributors for this article] (2009). Protein interacting with C kinase 1 (PICK1) and GluR2 are associated with presynaptic plasma membrane and vesicles in hippocampal excitatory synapses. Neuroscience. ISSN 0306-4522. 158(1), p. 242–252. doi: 10.1016/j.neuroscience.2008.11.029.
  • Utvik, Jo Kristian; Haglerød, Camilla Margrete; Mylonakou, Maria-Niki; Holen, Torgeir; Kropf, Michel & Hirling, H [Show all 11 contributors for this article] (2009). Neuronal enriched endosomal protein of 21 kDa colocalizes with glutamate receptor subunit GLUR2/3 at the postsynaptic membrane. Neuroscience. ISSN 0306-4522. 158(1), p. 96–104. doi: 10.1016/j.neuroscience.2008.11.030.
  • Lehre, Anne- Catherine W G; Lehre, Knut Petter Dæhlin; Laake, Petter & Danbolt, Niels Christian (2009). Greater Intrasex Phenotype Variability in Males Than in Females is a Fundamental Aspect of the Gender Differences in Humans. Developmental Psychobiology. ISSN 0012-1630. 51(2), p. 198–206. doi: 10.1002/dev.20358.
  • Lydersen, Stian; Fagerland, MW & Laake, P (2009). Recommended tests for association in 2 x 2 tables. Statistics in Medicine. ISSN 0277-6715. 28(7), p. 1159–1175. doi: 10.1002/sim.3531.
  • Sexton, Joseph & Laake, Petter (2009). Standard errors for bagged and random forest estimators. Computational Statistics & Data Analysis. ISSN 0167-9473. 53(3), p. 801–811. doi: 10.1016/j.csda.2008.08.007.
  • Sexton, Joseph & Laake, Petter (2009). Stochastic Approximation Boosting for Incomplete Data Problems. Biometrics. ISSN 0006-341X. 65(4), p. 1156–1163. doi: 10.1111/j.1541-0420.2009.01202.x.
  • Dalen, Ingvild; Buonaccorsi, JP; Sexton, Joseph; Laake, Petter & Thoresen, Magne (2009). Correction for misclassification of a categorized exposure in binary regression using replication data. Statistics in Medicine. ISSN 0277-6715. 28(27), p. 3386–3410. doi: 10.1002/sim.3712.
  • Parr, CL; Hjartaker, A; Hjartåker, Anette; Laake, Petter; Lund, Eiliv & Veierod, MB [Show all 7 contributors for this article] (2009). Recall Bias in Melanoma Risk Factors and Measurement Error Effects: A Nested Case-Control Study Within the Norwegian Women and Cancer Study. American Journal of Epidemiology. ISSN 0002-9262. 169(3), p. 257–266. doi: 10.1093/aje/kwn363.
  • Kaufmann, Walter A.; Ferraguti, Francesco; Fukazawa, Yugo; Kasugai, Yu; Shigemoto, Ryuichi & Laake, Petter [Show all 12 contributors for this article] (2009). Large-Conductance Calcium-Activated Potassium Channels in Purkinje Cell Plasma Membranes Are Clustered at Sites of Hypolemmal Microdomains. Journal of Comparative Neurology. ISSN 0021-9967. 515(2), p. 215–230. doi: 10.1002/cne.22066.
  • Lehre, Anne- Catherine W G; Hansen, Arvid Hedley & Laake, Petter (2009). Gender and the 2003 Quality Reform in higher education in Norway. Higher Education. ISSN 0018-1560. 58(5), p. 585–597. doi: 10.1007/s10734-009-9211-3.
  • Utne, Peder Heyerdahl; Thelle, Dag Steinar & Laake, Petter (2008). Kvalitetssikring av forskning. In Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (Ed.), Forskning i medisin og biofag. 2. utgave. Gyldendal Akademisk. ISSN 978-82-05-38487-3.
  • Thelle, Dag Steinar & Laake, Petter (2008). Epidemiologisk forskning: begreper og metoder. In Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (Ed.), Forskning i medisin og biofag. 2. utgave. Gyldendal Akademisk. ISSN 978-82-05-38487-3.
  • Benestad, Haakon Breien & Laake, Petter (2008). Forskning: metode og planlegging. In Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (Ed.), Forskning i medisin og biofag. 2. utgave. Gyldendal Akademisk. ISSN 978-82-05-38487-3.
  • Laake, Petter & Skovlund, Eva (2008). Statistisk analyse av kontinuerlige data. In Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (Ed.), Forskning i medisin og biofag. 2. utgave. Gyldendal Akademisk. ISSN 978-82-05-38487-3.
  • Olsen, Bjørn Reino; Laake, Petter & Ottersen, Ole Petter (2008). Søknad om forskningsmidler. In Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (Ed.), Forskning i medisin og biofag. 2. utgave. Gyldendal Akademisk. ISSN 978-82-05-38487-3.
  • Laake, Petter & Egeland, Thore (2008). Statistisk analyse av kategoriske data. In Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (Ed.), Forskning i medisin og biofag. 2. utgave. Gyldendal Akademisk. ISSN 978-82-05-38487-3.
  • Karlsen, Anette; Svendsen, Mette; Brevik, Asgeir; Bøhn, Siv K; Myhrstad, Mari C.W. & Thoresen, Magne [Show all 19 contributors for this article] (2008). Dietary intake of antioxidant-rich foods increase plasma antioxidants, enhance DNA repair capacity and reduce blood pressure in smoking, middle-aged men, PhD Thesis. Universitetet i Oslo, Institutt for ernæringsforskning.
  • Sexton, Joseph & Laake, Petter (2008). LogitBoost with errors-in-variables. Computational Statistics & Data Analysis. ISSN 0167-9473. 52. doi: 10.1016/j.csda.2007.09.004.
  • Parr, CL; Hjartåker, Anette; Hjartaker, A; Scheel, Ida; Lund, Eiliv & Laake, Petter [Show all 8 contributors for this article] (2008). Comparing methods for handling missing values in food-frequency questionnaires and proposing k nearest neighbours imputation: effects on dietary intake in the Norwegian Women and Cancer study (NOWAC). Public Health Nutrition. ISSN 1368-9800. 11, p. 361–370. doi: 10.1017/S1368980007000365.
  • Karlsen, Anette; Retterstol, L; Laake, Petter; Knudsen, Ingvild Paur; Bøhn, Siv Kjølsrud & Sandvik, L [Show all 7 contributors for this article] (2007). Anthocyanins inhibit nuclear factor-kappa B activation in monocytes and reduce plasma concentrations of pro-inflammatory mediators in healthy adults. Journal of Nutrition. ISSN 0022-3166. 137, p. 1951–1954.
  • Sexton, Joseph & Laake, Petter (2007). Boosted regression trees with errors in variables. Biometrics. ISSN 0006-341X. 63(2), p. 586–592. doi: 10.1111/j.1541-0420.2006.00718.x.
  • Karlsen, Anette; Retterstøl, Lars; Laake, Petter; Bøhn, Siv Kjølsrud; Sandvik, Leiv & Blomhoff, Rune (2007). Effects of a daily intake of one glass of red wine on biomarkers of antioxidant status, oxidative stress and inflammation in healthy adults. e - SPEN: the European e-journal of clinical nutrition and metabolism. ISSN 1751-4991. 2, p. e127–e133.
  • Thoresen, Magne & Laake, Petter (2007). On the simple linear regression model with correlated measurement errors. Journal of Statistical Planning and Inference. ISSN 0378-3758. 137, p. 68–78.
  • Parr, Christine Louise; Hjartåker, Anette; Scheel, Ida; Lund, Eiliv; Laake, Petter & Veierød, Marit Bragelien (2007). Comparing methods for handling missing values in food-frequency questionnaires and proposing k nearest neighbours imputation: effects on dietary intake in the Norwegian Women and Cancer study (NOWAC). Public Health Nutrition. ISSN 1368-9800.
  • Veierød, Marit Bragelien & Laake, Petter (2007). Regresjonsmodeller og analyse av sammenheng mellom eksponering og sykdom. In Laake, Petter; Hjartåker, Anette; Thelle, Dag Steinar & Veierød, Marit Bragelien (Ed.), Epidemiologiske og kliniske forskningsmetoder. Gyldendal Akademisk. ISSN 978-82-05-33505-9. p. 66–127.
  • Laake, Petter; Thoresen, Magne & Veierød, Marit Bragelien (2007). Målefeilsproblemer. In Laake, Petter; Hjartåker, Anette; Thelle, Dag Steinar & Veierød, Marit Bragelien (Ed.), Epidemiologiske og kliniske forskningsmetoder. Gyldendal Akademisk. ISSN 978-82-05-33505-9. p. 128–168.
  • Laake, Petter; Hjartåker, Anette; Thelle, Dag Steinar & Veierød, Marit Bragelien (2007). Epidemiologisk og klinisk forskning. In Laake, Petter; Hjartåker, Anette; Thelle, Dag Steinar & Veierød, Marit Bragelien (Ed.), Epidemiologiske og kliniske forskningsmetoder. Gyldendal Akademisk. ISSN 978-82-05-33505-9. p. 33–44.
  • Svensson, Elisabeth; Hjartåker, Anette & Laake, Petter (2007). Hva skal måles og hvordan? In Laake, Petter; Hjartåker, Anette; Thelle, Dag Steinar & Veierød, Marit Bragelien (Ed.), Epidemiologiske og kliniske forskningsmetoder. Gyldendal Akademisk. ISSN 978-82-05-33505-9. p. 45–65.
  • Benestad, Haakon Breien & Laake, Petter (2007). Reseach methodology: Strategies, planning and analysis. In Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (Ed.), Research Methodology in the Medical and Biological Sciences. Academic Press. ISSN 978-0-12-373874-5. p. 93–124.
  • Thelle, Dag Steinar & Laake, Petter (2007). Epidemiology: Concepts and methods. In Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (Ed.), Research Methodology in the Medical and Biological Sciences. Academic Press. ISSN 978-0-12-373874-5. p. 241–280.
  • Olsen, Bjørn Reino; Laake, Petter & Ottersen, Ole Petter (2007). Guide to grant applications. In Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (Ed.), Research Methodology in the Medical and Biological Sciences. Academic Press. ISSN 978-0-12-373874-5. p. 433–456.

View all works in Cristin

  • Fagerland, Morten; Lydersen, Stian & Laake, Petter (2017). Statistical Analysis of Contingency Tables. CRC Press. ISBN 978-1-4665-8817-2. 634 p.
  • Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (2015). Research in Medical and Biological Sciences: From Planning and Preparation ot Grant Application and Publication. Academic Press. ISBN 978-0-12-799943-2. 566 p.
  • Veierød, Marit Bragelien; Lydersen, Stian & Laake, Petter (2012). Medical statistics in clinical and epidemiological research. Gyldendal Akademisk. ISBN 9788205399594. 720 p.
  • Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (2008). Forskning i medisin og biofag. 2. utgave. Gyldendal Akademisk. ISBN 978-82-05-38487-3. 550 p.
  • Laake, Petter & Valen, Guro (2008). Fra basalmedisinsk til klinisk forskning. Gyldendal Akademisk. ISBN 978-82-05-38487-3. 14 p.

View all works in Cristin

  • Lydersen, Stian; Fagerland, Morten & Laake, Petter (2019). Fishers eksakte test - hvordan smaker teen? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(13), p. 1292–1292. doi: 10.4045/tidsskr.19.0237.
  • Sandvig, Heidi Vihovde & Laake, Petter (2019). Ikke faglig begrunnet styrevedtak om fødesammenslåing. Dagens medisin. ISSN 1501-4290.
  • Lydersen, Stian; Fagerland, Morten & Laake, Petter (2019). Pearsons khikvadrattest. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(12), p. 1183–1183. doi: 10.4045/tidsskr.18.0125.
  • Lydersen, Stian; Fagerland, Morten & Laake, Petter (2018). Evaluation of methods for analysis of 2x2 contingency tables.
  • Kristoffersen, Doris Tove; Helgeland, Jon; Clench-Aas, Jocelyne; Laake, Petter & Veierød, Marit Bragelien (2016). Type I error and power for detecting hospitals with high or low 30-day mortality.
  • Laake, Petter & Fagerland, Morten (2015). Statistical Inference. In Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (Ed.), Research in Medical and Biological Sciences: From Planning and Preparation ot Grant Application and Publication.. Academic Press. ISSN 978-0-12-799943-2. p. 379–430.
  • Benestad, Haakon Breien & Laake, Petter (2015). Research Strategies, Planning and Analysis. In Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (Ed.), Research in Medical and Biological Sciences: From Planning and Preparation ot Grant Application and Publication.. Academic Press. ISSN 978-0-12-799943-2. p. 89–104.
  • Olsen, Bjørn Reino; Laake, Petter & Ottersen, Ole Petter (2015). Guide to Grant Applications. In Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (Ed.), Research in Medical and Biological Sciences: From Planning and Preparation ot Grant Application and Publication.. Academic Press. ISSN 978-0-12-799943-2. p. 519–546.
  • Thelle, Dag Steinar & Laake, Petter (2015). Epidemiology. In Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (Ed.), Research in Medical and Biological Sciences: From Planning and Preparation ot Grant Application and Publication.. Academic Press. ISSN 978-0-12-799943-2. p. 275–320.
  • Holm, Søren; Hofmann, Bjørn & Laake, Petter (2015). Ethics and Scientific Conduct. In Laake, Petter; Benestad, Haakon Breien & Olsen, Bjørn Reino (Ed.), Research in Medical and Biological Sciences: From Planning and Preparation ot Grant Application and Publication.. Academic Press. ISSN 978-0-12-799943-2. p. 43–70.
  • Fagerland, Morten Wang; Lydersen, Stian & Laake, Petter (2015). Confidence Intervals for Two Independent Binomial Proportions. In Balakrishnan, N.; Brandimarte, Paolo; Everitt, Brian S.; Molenberghs, Geert; Piegorsch, Walter W. & Ruggeri, Fabrizio (Ed.), Wiley StatsRef: Statistics Reference Online. John Wiley & Sons. ISSN 9781118445112. doi: 10.1002/9781118445112.stat08007.
  • Benestad, Haakon Breien & Laake, Petter (2014). Dårlig tittel - dårlig manus? Tidsskrift for Den norske legeforening. ISSN 0029-2001. 134(4), p. 382–382. doi: 10.4045/tidsskr.14.0143.
  • Lehre, Anne- Catherine W G; Hansen, Arvid Hedley; Lehre, Knut Petter Dæhlin & Laake, Petter (2012). Gender gap in Norwegian Higher Education.
  • Lydersen, Stian; Laake, Petter & Fagerland, Morten (2011). The analysis of 2 x 2 contingency tables-yet again: Author's reply. Statistics in Medicine. ISSN 0277-6715. 30(8), p. 891–892. doi: 10.1002/sim.4135.
  • Thelle, Dag S. & Laake, Petter (2011). Fra ammetåke til klarsyn. Forskning.no. ISSN 1891-635X.
  • Karlsen, Anette; Lilleby, Wolfgang; Klein, Willibrord; Laake, Petter; Fosså, Sophie Dorothea & Eri, Lars Magne [Show all 9 contributors for this article] (2010). A phase I/II randomized controlled trial investigating the effects of two dietary intervention strategies in prostate cancer patients.
  • Laake, Petter & Thelle, Dag Steinar (2010). Are mid-pregnancy androgen levels negatively associated with breastfeeding? Acta Obstetricia et Gynecologica Scandinavica. ISSN 0001-6349. 89(5), p. 722–723. doi: 10.3109/00016341003657942.
  • Lehre, Anne- Catherine W G; Lehre, Knut Petter Dæhlin; Hansen, Arvid Hedley; Laake, Petter & Danbolt, Niels Christian (2010). Gender: Males are more extreme.
  • Karlsen, Anette; Paur, Ingvild; Bøhn, Siv Kjølsrud; Sakhi, Amrit Kaur; Grethe Iren, Borge & Serafini, Mauro [Show all 10 contributors for this article] (2009). Bilberry juice modulate plasma concentration of NF- related inflammatory markers in subjects at increased risk of CVD.
  • Parr, Christine Louise; Hjartåker, Anette; Laake, Petter; Lund, Eiliv & Veierød, Marit Bragelien (2009). Recall bias in melanoma risk factors and measurement error effects: a nested case-control study within the Norwegian Women and Cancer Study. Norsk Epidemiologi, Supplement. ISSN 0803-4206. 19, p. 8–8.
  • Parr, CL; Hjartaker, A; Hjartåker, Anette; Laake, Petter; Lund, Eiliv & Veierod, MB [Show all 7 contributors for this article] (2009). Parr et al. Respond to "Recall Bias in Melanoma". American Journal of Epidemiology. ISSN 0002-9262. 169(3), p. 271–272. doi: 10.1093/aje/kwn356.
  • Bøhn, Siv Kjølsrud; Myhrstad, Mari Charlotte; Thoresen, Magne; Holden, Marit; Tunheim, Siv Haugen & Karlsen, Anette [Show all 16 contributors for this article] (2008). Plant food phytochemicals modulate gene expression in human blood cells.
  • Lehre, Anne- Catherine W G; Laake, Petter & Danbolt, Niels Christian (2011). Sex matters: Looking into variability. The variability hypothesis, the 2003 Quality Reform in higher education in Norway, and the role of BGT1 in seizure control. Unipub forlag. ISSN 978-82-8264-149-4.
  • Roaldset, John Olav; Gøtestam, K Gunnar; Holen, Are; Bjørkly, Stål & Laake, Petter (2010). Risk assessment of violent, suicidal and self-injurious behaviour in acute psychiatry - a bio-psycho-social approach. Norwegian University of Science and Technology. ISSN 978-82-471-2492-5.

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Published Apr. 13, 2011 2:40 PM - Last modified Dec. 8, 2014 12:13 PM

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