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List of works by Axel Skytthe

A Cohort Comparison of Lifespan After Age 100 in Denmark and Sweden: Are Only the Oldest Getting Older?

scientific article published on 01 April 2019

A Danish Twin Study of Schizophrenia Liability: Investigation from Interviewed Twins for Genetic Links to Affective Psychoses and for Cross-Cohort Comparisons.

scientific article published on 4 November 2015

A cohort study of Parkinson's disease and other neurodegenerative disorders in Danish welders

scientific article

A cohort study of recurrence patterns among more than 54,000 relatives of oral cleft cases in Denmark: support for the multifactorial threshold model of inheritance

scientific article

A novel sampling design to explore gene-longevity associations: the ECHA study

scientific article published on 7 November 2007

A possible association between the genetic predisposition for dizygotic twinning and schizophrenia

scientific article published on 01 November 2002

Advanced Parental Age at Conception and Sex Affects Mitochondrial DNA Copy Number in Human and Fruit Flies

scientific article published on 01 November 2019

Age- and sex-differences in the validity of questionnaire-based zygosity in twins.

scientific article

Apgar score is related to development of atopic dermatitis: cotwin control study

scientific article published on 09 October 2013

Association between height and coronary heart disease mortality: a prospective study of 35,000 twin pairs

scientific article published on 16 February 2006

Association between migraine, lifestyle and socioeconomic factors: a population-based cross-sectional study

scientific article

Association of Psoriasis With the Risk for Type 2 Diabetes Mellitus and Obesity

scientific article

Asthma in patients with psoriasis

scientific article published on 27 April 2015

Atopic diseases in twins born after assisted reproduction

scientific article published on 16 December 2011

Bio-social determinants of fertility

scientific article published in February 2006

Birth size and age at menarche: a twin perspective

scientific article published on 6 August 2013

Birth weight and risk of asthma in 3-9-year-old twins: exploring the fetal origins hypothesis

scientific article published on 8 December 2009

Breast cancer onset in twins and women with bilateral disease

scientific article published on 30 June 2008

Cancer Incidence and Mortality in 260,000 Nordic Twins With 30,000 Prospective Cancers

scientific article published on 25 April 2019

Cancer and aging: Epidemiology and methodological challenges

scientific article published on 12 January 2016

Cancer and longevity--is there a trade-off? A study of cooccurrence in Danish twin pairs born 1900-1918

scientific article published on 3 April 2012

Causal direction between respiratory syncytial virus bronchiolitis and asthma studied in monozygotic twins

scientific article published on 30 April 2010

Changing genetic architecture of body mass index from infancy to early adulthood: an individual based pooled analysis of 25 twin cohorts

scientific article published in October 2022

Cholesteatoma in Danish children - a national study of changes in the incidence rate over 34 years

scientific article published on 25 November 2014

Cholesteatoma risk in 8,593 orofacial cleft cases and 6,989 siblings: A nationwide study

scientific article published on 12 November 2014

Co-morbidity of migraine with somatic disease in a large population-based study

article by Han Le et al published 2 June 2010 in Cephalalgia

Cohort Profile: The 1895, 1905, 1910 and 1915 Danish Birth Cohort Studies - secular trends in the health and functioning of the very old.

scientific article published on 22 April 2017

Comorbidity between chronic obstructive pulmonary disease and type 2 diabetes: A nation-wide cohort twin study

scientific article published on 23 May 2015

Comparison of academic performance of twins and singletons in adolescence: follow-up study

scientific article

Declining physical abilities with age: a cross-sectional study of older twins and centenarians in Denmark.

scientific article published in July 1999

Decreasing incidence rate for surgically treated middle ear cholesteatoma in Denmark 1977-2007.

scientific article published in October 2010

Design, recruitment, logistics, and data management of the GEHA (Genetics of Healthy Ageing) project

scientific article (publication date: November 2011)

Differences in genetic and environmental variation in adult BMI by sex, age, time period, and region: an individual-based pooled analysis of 40 twin cohorts

scientific article

Do children of long-lived parents age more successfully?

scientific article published in May 2002

Does education confer a culture of healthy behavior? Smoking and drinking patterns in Danish twins.

scientific article published on 4 November 2010

Does the sex of one's co-twin affect height and BMI in adulthood? A study of dizygotic adult twins from 31 cohorts

scientific article

Early-life mortality risks in opposite-sex and same-sex twins: a Danish cohort study of the twin testosterone transfer hypothesis.

scientific article

Education modifies genetic and environmental influences on BMI

scientific article

Education reduces the effects of genetic susceptibilities to poor physical health

article

Effects of body size and change in body size from infancy through childhood on body mass index in adulthood.

scientific article published on 19 June 2014

Efficiency of a Small Size Screening Instrument in Identifying Children with Autism Spectrum Disorders in a Large Population of Twins

scholarly article by Claudia Nordenbæk et al published 2011 in Epidemiology Research International

Environmental and heritable factors in the causation of cancer--analyses of cohorts of twins from Sweden, Denmark, and Finland

scientific article (publication date: 13 July 2000)

Evidence for an association of methylene tetrahydrofolate reductase polymorphism C677T and an increased risk of fractures: results from a population-based Danish twin study

scientific article

Existential meaning among first-time full-term and preterm mothers: a questionnaire study

scientific article published in October 2014

Exploring the association between severe respiratory syncytial virus infection and asthma: a registry-based twin study

scientific article published on 12 March 2009

Familial Aggregation and Heritability of Pyloric Stenosis

scientific article published in The Journal of the American Medical Association

Familial Risk and Heritability of Cancer Among Twins in Nordic Countries

scientific article

Familial Risk and Heritability of Colorectal Cancer in the Nordic Twin Study of Cancer

scientific article published on 24 January 2017

Familial aggregation of atrial fibrillation: a study in Danish twins

scientific article published on 23 April 2009

Familial resemblance in religiousness in a secular society: a twin study

scientific article published on 22 February 2013

Gene-environment interaction in atopic diseases: a population-based twin study of early-life exposures

article

Genetic Factors Explain Variation in the Age at Onset of Psoriasis: A Population-based Twin Study.

scientific article

Genetic and environmental contributions to weight, height, and BMI from birth to 19 years of age: an international study of over 12,000 twin pairs

scientific article

Genetic and environmental effects on body mass index from infancy to the onset of adulthood: an individual-based pooled analysis of 45 twin cohorts participating in the COllaborative project of Development of Anthropometrical measures in Twins (CODA

scientific article published on 13 July 2016

Genetic and environmental factors in alexithymia: a population-based study of 8,785 Danish twin pairs

scientific article

Genetic and environmental influences in Dupuytren's disease: a study of 30,330 Danish twin pairs

scientific article published on 16 May 2014

Genetic and environmental influences on adult human height across birth cohorts from 1886 to 1994.

scientific article published on 14 December 2016

Genetic and environmental influences on height from infancy to early adulthood: An individual-based pooled analysis of 45 twin cohorts

scientific article published on 23 June 2016

Genetic and environmental influences on risk of death due to infections assessed in Danish twins, 1943-2001

scientific article

Genetic epidemiology of spontaneous subarachnoid hemorrhage: Nordic Twin Study

scientific article published on 16 September 2010

Genetic influence on human lifespan and longevity

scientific article published on 4 February 2006

Genetic influence on prolonged gestation: a population-based Danish twin study

scientific article published in February 2004

Genetic influences on exercise participation in 37,051 twin pairs from seven countries

scientific article

Genetic liability in stroke: a long-term follow-up study of Danish twins.

scientific article published in March 2002

Genome-wide linkage analysis for human longevity: Genetics of Healthy Aging Study

scientific article published on 06 February 2013

Handgrip strength among nonagenarians and centenarians in three European regions

scientific article published in July 2006

Handgrip strength: indications of paternal inheritance in three European regions

scientific article published on 28 June 2010

Health and function assessments in two adjacent Danish birth cohorts of centenarians: Impact of design and methodology

scientific article published on 08 September 2015

Heredity of chronic bronchitis: a registry-based twin study

scientific article

Heritability and environmental effects for self-reported periods with stuttering: a twin study from Denmark

scientific article published on 17 November 2010

Heritability in political interest and efficacy across cultures: Denmark and the United States

scientific article published in February 2012

Heritability of Schizophrenia and Schizophrenia Spectrum Based on the Nationwide Danish Twin Register

scientific article

Heritability of adult body height: a comparative study of twin cohorts in eight countries

scientific article

Heritability of health-related quality of life: SF-12 summary scores in a population-based nationwide twin cohort

scientific article published on 8 April 2013

Heritability of psoriasis in a large twin sample.

scientific article

Heritability of the Number of Teeth in Middle-Aged and Older Danish Twins.

scientific article published on August 2017

Incidence of Chronic Persistent Rheumatoid Arthritis and the Impact of Smoking: A Historical Twin Cohort Study

scientific article published on 7 July 2016

Increase in self-reported migraine prevalence in the Danish adult population: a prospective longitudinal population-based study

scientific article

Increase in the heritability of asthma from 1994 to 2003 among adolescent twins

scientific article published on 29 March 2011

Increased concordance of severe respiratory syncytial virus infection in identical twins

scientific article published in March 2008

Increased genetic variance of BMI with a higher prevalence of obesity

scientific article

Increasing rate of middle ear ventilation tube insertion in children in Denmark

scientific article published on 7 July 2014

Is an Early Age at Illness Onset in Schizophrenia Associated With Increased Genetic Susceptibility? Analysis of Data From the Nationwide Danish Twin Register

scientific article

Is the natural twinning rate still declining?

scientific article published in July 2005

Is the risk of bipolar disorder in twins equal to the risk in singletons? A nationwide register-based study

scientific article published on 01 August 2004

Longevity studies in GenomEUtwin.

scientific article published in October 2003

Low birth weight is not associated with thyroid autoimmunity: a population-based twin study

scientific article published on 5 July 2006

Low tobacco-related cancer incidence in offspring of long-lived siblings: a comparison with Danish national cancer registry data.

scientific article published on 18 March 2015

Lung cancer, genetic predisposition and smoking: the Nordic Twin Study of Cancer

scientific article

Major genetic susceptibility for venous thromboembolism in men: a study of Danish twins

scientific article published in May 2003

Metabolic effects of lifestyle intervention in obese pregnant women. Results from the randomized controlled trial 'Lifestyle in Pregnancy' (LiP).

scientific article published on 23 July 2014

Myeloproliferative Neoplasms in Danish Twins

Nazi Terror against the Danish Medical Profession. The February 20, 1945 Murders in Odense

scientific article published in January 2015

Newborn infant characteristics and risk of future rheumatoid arthritis: a twin-control study

scientific article

On the heritability of psoriatic arthritis. Disease concordance among monozygotic and dizygotic twins

scientific article published on 24 January 2008

On the origin of rheumatoid arthritis: the impact of environment and genes--a population based twin study

scientific article

Parent's age and the risk of oral clefts

scientific article

Prayer and meditation among Danish first time mothers-a questionnaire study

scientific article published on 19 January 2016

Probability and heritability estimates on primary osteoarthritis of the hip leading to total hip arthroplasty: a nationwide population based follow-up study in Danish twins.

scientific article

Recurrence risk for offspring of twins discordant for oral cleft: a population-based cohort study of the Danish 1936-2004 cleft twin cohort

scientific article published on 01 October 2010

Register-based research on twins

scientific article

Religiousness and religious coping in a secular society: the gender perspective

scientific article

Risk for multiple sclerosis in dizygotic and monozygotic twins

scientific article published on October 2005

Risk of Sex-Specific Cancers in Opposite-Sex and Same-Sex Twins in Denmark and Sweden

scientific article published on 17 August 2015

Risk of asthma in adult twins with type 2 diabetes and increased body mass index

scientific article published on 17 November 2010

Risk of chronic bronchitis in twin pairs discordant for smoking

scientific article

Risk of lung cancer according to mild steel and stainless steel welding

scientific article published on 01 October 2007

Risk of oral clefts in twins

scientific article

Risk of suicide in twins: 51 year follow up study

scientific article published on August 2003

Sex differences in risk and heritability estimates on primary knee osteoarthritis leading to total knee arthroplasty: a nationwide population based follow up study in Danish twins

scientific article published on 11 February 2016

Smoking and risk for psoriasis: a population-based twin study.

scientific article published on 14 August 2015

Stoppage in Autism Spectrum Disorders

scientific article

Strength and anthropometric measures in identical and fraternal twins: no evidence of masculinization of females with male co-twins

scientific article published on 01 May 2000

The CODATwins Project: The Cohort Description of Collaborative Project of Development of Anthropometrical Measures in Twins to Study Macro-Environmental Variation in Genetic and Environmental Effects on Anthropometric Traits

scientific article

The CODATwins Project: The Current Status and Recent Findings of COllaborative Project of Development of Anthropometrical Measures in Twins

scientific article published on 31 July 2019

The Danish Twin Registry

scientific article

The Danish Twin Registry in the new millennium

scientific article published in December 2006

The Danish Twin Registry: 127 birth cohorts of twins

scientific article

The Danish Twin Registry: An Updated Overview

scientific article published on 23 September 2019

The Danish Twin Registry: linking surveys, national registers, and biological information.

scientific article published on 19 October 2012

The Danish political twin study: political traits in Danish twins and the general population.

scientific article published in February 2012

The Fertility Pattern of Twins and the General Population Compared: Evidence from Danish Cohorts 1945-64

article

The Heritability of Breast Cancer among Women in the Nordic Twin Study of Cancer

scientific article published on 10 November 2015

The Heritability of Mortality Due to Heart Diseases: A Correlated Frailty Model Applied to Danish Twins ⬇️

scientific article published on August 1, 2001

The causal direction in the association between respiratory syncytial virus hospitalization and asthma

scientific article published in January 2009

The danish twin registry: past and present.

scientific article published in August 2004

The effect of losing the twin and losing the partner on mortality

scientific article published in June 2002

The healthy donor effect impacts self-reported physical and mental health - results from the Danish Blood Donor Study (DBDS).

scientific article published on 12 October 2017

The heritability of CHD mortality in danish twins after controlling for smoking and BMI.

scientific article published in February 2005

The heritability of cause-specific mortality: a correlated gamma-frailty model applied to mortality due to respiratory diseases in Danish twins born 1870-1930.

scientific article published on December 2003

The heritability of prostate cancer in the Nordic Twin Study of Cancer

scientific article

The impact of genes on the occurrence of autoantibodies in rheumatoid arthritis. A study on disease discordant twin pairs

article

The impact of ventilation tubes in otitis media on the risk of cholesteatoma on a national level

scientific article published on 11 February 2015

The nature of behavioural correlates of healthy ageing: a twin study of lifestyle in mid to late life

scientific article

The occurrence of psoriatic arthritis in Denmark.

scientific article published on 21 January 2008

The oldest man ever? A case study of exceptional longevity.

scientific article published in December 1996

The risk of asthma is increased among women with polycystic ovary syndrome: a twin study

scientific article published on 01 July 2019

Time trends in waiting time to pregnancy among Danish twins

scientific article published on 13 January 2005

Traits of ADHD and autism in girls with a twin brother: a Mendelian randomization study

scientific article published on 29 May 2012

Twin Family Registries Worldwide: An Important Resource for Scientific Research

scientific article published on 01 December 2019

Twins and their health cost: consequences of multiple births on parental health and mortality in Denmark and England and Wales

scientific article published on June 2006

Twins with implanted pacemakers: Is there an increased mortality risk for the co-twin? A follow-up study based on the Danish Twin Registry and the Danish Pacemaker Register

scientific article published on 8 September 2005

Validation of the cholesteatoma diagnosis in the Danish National Hospital Register

scientific article published on October 2010

Zygosity Differences in Height and Body Mass Index of Twins From Infancy to Old Age: A Study of the CODATwins Project

scientific article

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