Background and activities
M.Sc., Industrial mathematics, NTNU, 1983
Ph.D., statistics, NTNU, 1988
Lydersen, S., Langaas, M., & Bakke, Ø. 2012, "The Exact Unconditional z-pooled Test for Equality of Two Binomial Probabilities: Optimal Choice of the Berger and Boos Confidence Coefficient", Journal of Statistical Computation and simulation, vol. 82, no. 9, pp. 1311-1316.
Fagerland, M. W., Lydersen, S., & Laake, P. 2011. Recommended confidence intervals for two independent binomial proportions. Statistical Methods in Medical research.
Lydersen, S., Fagerland, M. W., & Laake, P. 2009, "Tutorial in biostatistics: Recommended tests for association in 2x2 tables", Statistics in Medicine.
Lydersen, S. 2007, "The human sex ratio in New York did not change after 11 September 2001". Human Reproduction.
Lydersen, S., Pradhan, V., Senchaudhuri, P., & Laake, P. 2007 "Choice of test for association in small sample unordered rxc tables". Statistics in Medicine.
Lydersen, S., Pradhan, V., Laake, P., & Senchaudhuri, P. 2005, "Power Comparison of Exact Tests for Association in Unordered rxc Contingency Tables Using standard, Mid p, and Randomized Test Versions.", Journal of Statistical Computation and simulation, vol. 75 (6), pp. 447-458.
Lydersen, S. & Laake, P. 2003, "Power comparison of two-sided exact tests for association in 2 x 2 contingency tables using standard, mid p and randomized test versions", Stat.Med., vol. 22, no. 24, pp. 3859-3871.
Lydersen, S. 1992, "Clayton's Model for Dependent Components in Systems Reliability", Reliability Engineering and Systems Safety, vol. 36, pp. 53-58.
Lydersen, S. & Rausand, M. 1987, "A systematic Approach to Accelerated Life Testing.", Reliability Engineering, vol. 18, no. 4.
Lydersen, S., Hansen, G. K, Sandtorv, H. (editors) 1998: "Safety and Reliability". Proceedings of the European Conference on Safety and Reliability - ESREL'98, Trondheim 16 - 19 June 1998. Balkema Publishers, Rotterdam.
Scientific, academic and artistic work
A selection of recent journal publications, artistic productions, books, including book and report excerpts. See all publications in the database
- (2014) Longitudinal Course of Diagnosed Depression from Ages 15 to 20 in a Community Sample: Patterns and Parental Risk Factors. Child Psychiatry and Human Development.
- (2014) Associations Between Parental Attachment and Course of Depression Between Adolescence and Young Adulthood. Child Psychiatry and Human Development.
- (2014) Maternal and paternal psychosocial risk factors for clinical depression in a Norwegian community sample of adolescents. Nordic Journal of Psychiatry.
- (2014) The consistency of experts' evaluation of obstetric claims for compensation. BJOG: an International Journal of Obstetrics and Gynaecology.
- (2014) Survival after acute colon diverticulitis treated in hospital. International Journal of Colorectal Disease.
- (2014) Bimanual Fine Motor Function classification in children with cerebral palsy: aspects of content and construct validity. Developmental Medicine & Child Neurology. volum 56.
- (2014) Bimanual Fine Motor Function (BFMF) Classification in Children with Cerebral Palsy: Aspects of Construct and Content Validity. Physical & Occupational Therapy in Pediatrics.
- (2014) Recommended tests and confidence intervals for paired binomial proportions. Statistics in Medicine. volum 33 (16).
- (2014) Major increase in admission- and incidence rates of acute colonic diverticulitis. International Journal of Colorectal Disease. volum 29 (8).
- (2014) Cost-effectiveness of total disc replacement versus multidisciplinary rehabilitation in patients with chronic low back pain: A norwegian multicenter RCT. Spine. volum 39 (1).
- (2014) Substance use in children of parents with chronic pain - the HUNT study. Journal of Pain Research. volum 7.
- (2014) Smoking, alcohol consumption, and drug use among adolescents with psychiatric disorders compared with a population based sample. Journal of Adolescence. volum 37 (7).
- (2014) Physical activity in adolescents with psychiatric disorders and in the general population. Child and Adolescent Psychiatry and Mental Health. volum 8 (2).
- (2014) Current physical activity guidelines for health are insufficient to mitigate long-term weight gain: more data in the fitness versus fatness debate (The HUNT study, Norway). British Journal of Sports Medicine.
- (2014) Self-reported social anxiety symptoms and correlates in a clinical (CAP) and a community (Young-HUNT) adolescent sample. Social Psychiatry and Psychiatric Epidemiology. volum 49 (12).
- (2014) Factors associated with time consumption when answering drug-related queries to Scandinavian drug information centres: a multi-centre study. European Journal of Clinical Pharmacology.
- (2014) Gait characteristics in children and adolescents with cerebral palsy assessed with a trunk-worn accelerometer. Journal of Research in Developmental Disabilities. volum 35 (7).
- (2014) The relationship between trunk control in sitting and during gait in children and adolescents with cerebral palsy. Developmental Medicine & Child Neurology. volum 20 (10).
- (2014) Trends in cholecystectomy rates in a defined population during and after the period of transition from open to laparoscopic surgery. Scandinavian Journal of Gastroenterology. volum 49 (1).
- (2014) Physical behavior and function early after Hip Fracture surgery in patients receiving comprehensive geriatric care or orthopedic care - A randomized controlled trial. The journals of gerontology. Series A, Biological sciences and medical sciences. volum 69 A (3).