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Tor Bjerkedal

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Norway

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Publications

TOP 3
Petter Kristensen; Ingrid Sivesind Mehlum; Karina Corbett; Tor Bjerkedal
Impact of aerobic fitness on musculoskeletal sickness absence 5-15 years later: a cohort study of 227,201 male Norwegian employees.
Petter Kristensen; Thomas Kristiansen; Marius Rehn; Hans Magne Gravseth; Tor Bjerkedal
Social inequalities in road traffic deaths at age 16-20 years among all 611,654 Norwegians born between 1967 and 1976: a multilevel analysis.
Tor Bjerkedal; Petter Kristensen; Randi Selmer
Life expectancy and cause of death in men examined at medical check-ups in 1964.

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All Publications

2012: Petter Kristensen; Ingrid Sivesind Mehlum; Karina Corbett; Tor Bjerkedal
Impact of aerobic fitness on musculoskeletal sickness absence 5-15 years later: a cohort study of 227,201 male Norwegian employees.
Occupational and environmental medicine 2012;69(4):250-5.
2012: Petter Kristensen; Thomas Kristiansen; Marius Rehn; Hans Magne Gravseth; Tor Bjerkedal
Social inequalities in road traffic deaths at age 16-20 years among all 611,654 Norwegians born between 1967 and 1976: a multilevel analysis.
Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention 2012;18(1):3-9.
2012: Tor Bjerkedal; Petter Kristensen; Randi Selmer
Life expectancy and cause of death in men examined at medical check-ups in 1964.
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2012;132(1):30-5.
2010: Petter Kristensen; Hans Magne Gravseth; Tor Bjerkedal
Influence of early life factors on social inequalities in psychiatric outcomes among young adult Norwegian men.
European journal of public health 2010;20(5):517-23.
2010: H M Gravseth; L Mehlum; Tor Bjerkedal; Petter Kristensen
Suicide in young Norwegians in a life course perspective: population-based cohort study.
Journal of epidemiology and community health 2010;64(5):407-12.
2010: Petter Kristensen; Tor Bjerkedal
Dealing with emigration in cohort studies: follow-up of mortality and cancer incidence among Norwegians born between 1967 and 1976.
European journal of epidemiology 2010;25(3):155-61.
2009: Petter Kristensen; Hans Magne Gravseth; Tor Bjerkedal
Educational attainment of Norwegian men: influence of parental and early individual characteristics.
Journal of biosocial science 2009;41(6):799-814.
2008: Hans Magne Gravseth; Tor Bjerkedal; Lorentz M Irgens; Odd O Aalen; Randi Selmer; Petter Kristensen
Influence of physical, mental and intellectual development on disability in young Norwegian men.
European journal of public health 2008;18(6):650-5.
2008: P Kristensen; R Nordhagen; E Wergeland; Tor Bjerkedal
Job adjustment and absence from work in mid-pregnancy in the Norwegian Mother and Child Cohort Study (MoBa).
Occupational and environmental medicine 2008;65(8):560-6.
2007: Martha G Eide; Nina Oyen; Rolv Skjaerven; Tor Bjerkedal
Associations of birth size, gestational age, and adult size with intellectual performance: evidence from a cohort of Norwegian men.
Pediatric research 2007;62(5):636-42.
2007: Nina Oyen; Stein Emil Vollset; Martha G Eide; Tor Bjerkedal; Rolv Skjaerven
Maternal epilepsy and offsprings' adult intelligence: a population-based study from Norway.
Epilepsia 2007;48(9):1731-8.
2007: Petter Kristensen; Tor Bjerkedal
Explaining the relation between birth order and intelligence.
Science (New York, N.Y.) 2007;316(5832):1717.
2007: Petter Kristensen; Tor Bjerkedal; Lorentz M Irgens
Early life determinants of musculoskeletal sickness absence in a cohort of Norwegians born in 1967-1976.
Social science & medicine (1982) 2007;64(3):646-55.
2007: Hans Magne Gravseth; Tor Bjerkedal; Lorentz M Irgens; Odd O Aalen; Randi Selmer; Petter Kristensen
Life course determinants for early disability pension: a follow-up of Norwegian men and women born 1967-1976.
European journal of epidemiology 2007;22(8):533-43.
2006: Kåre Birger Hagen; Kristian Tambs; Tor Bjerkedal
What mediates the inverse association between education and occupational disability from back pain?--A prospective cohort study from the Nord-Trøndelag health study in Norway.
Social science & medicine (1982) 2006;63(5):1267-75.
2006: Martha G Eide; Rolv Skjaerven; Lorentz M Irgens; Tor Bjerkedal; Nina Oyen
Associations of birth defects with adult intellectual performance, disability and mortality: population-based cohort study.
Pediatric research 2006;59(6):848-53.
2006: Tor Bjerkedal; Petter Kristensen; Geir A Skjeret; John Ivar Brevik
[A follow up of persons who received basic and/or supplemental benefits in childhood].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2006;126(4):436-9.
2005: Morten Lindbaek; Karl W Wefring; Tor Bjerkedal
[Chronic diseases among and social benefits to four-to-five-year-old children].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2005;125(17):2362-5.
2005: Martha G Eide; Nina Øyen; Rolv Skjaerven; Stein Tore Nilsen; Tor Bjerkedal; Grethe S Tell
Size at birth and gestational age as predictors of adult height and weight.
Epidemiology (Cambridge, Mass.) 2005;16(2):175-81.
2005: Martha G Eide; Nina Øyen; Rolv Skjaerven; Lorentz M Irgens; Tor Bjerkedal; Stein Tore Nilsen
Breech delivery and intelligence: a population-based study of 8,738 breech infants.
Obstetrics and gynecology 2005;105(1):4-11.
2004: Petter Kristensen; Tor Bjerkedal
[Employment trends--the impact of chronic disease in childhood and low educational level].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2004;124(22):2879-83.
2004: Johan Lund; Tor Bjerkedal; Hans Magne Gravseth; Kostas Vilimas; Ebba Wergeland
A two-step medically based injury surveillance system--experiences from the Oslo injury register.
Accident; analysis and prevention 2004;36(6):1003-17.
2004: Petter Kristensen; Tor Bjerkedal; Lorentz M Irgens
Birthweight and work participation in adulthood.
International journal of epidemiology 2004;33(4):849-56.
2004: Method R Kazaura; Rolv T Lie; Lorentz M Irgens; Allan Didriksen; Mariann Kapstad; John Egenaes; Tor Bjerkedal
Increasing risk of gastroschisis in Norway: an age-period-cohort analysis.
American journal of epidemiology 2004;159(4):358-63.
2003: Tor Bjerkedal; Ola Thune
[What are the costs of sick leave benefits?].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2003;123(5):662-3.
2003: Per Nafstad; Sven Ove Samuelsen; Lorentz M Irgens; Tor Bjerkedal
Pregnancy complications and the risk of asthma among Norwegians born between 1967 and 1993.
European journal of epidemiology 2003;18(8):755-61.
2003: Migle Gamperiene; Jan F. Nygård; Søren Brage; Tor Bjerkedal; Dag Bruusgaard
Duration of employment is not a predictor of disability of cleaners: a longitudinal study.
Scandinavian journal of public health 2003;31(1):63-8.
2003: Hilde H Holte; Kristian Tambs; Tor Bjerkedal
Time trends in disability pensioning for rheumatoid arthritis, osteoarthritis and soft tissue rheumatism in Norway 1968-97.
Scandinavian journal of public health 2003;31(1):17-23.
2003: Petter Kristensen; Lorentz M Irgens; Tor Bjerkedal
Impact of low birthweight on subsequent fertility: population-based register study.
Paediatric and perinatal epidemiology 2003;17(1):10-6.
2002: Per Nafstad; Sven Ove Samuelsen; Lorentz M Irgens; Tor Bjerkedal
Birth weight and hearing impairment in norwegians born from 1967 to 1993.
Pediatrics 2002;110(3):e30.
2002: Kåre Birger Hagen; Kristian Tambs; Tor Bjerkedal
A prospective cohort study of risk factors for disability retirement because of back pain in the general working population.
Spine 2002;27(16):1790-6.
2002: Hilde H Holte; Kristian Tambs; Tor Bjerkedal
Physically demanding situations as predictors of disability pensioning with soft tissue rheumatism among persons 30-39 years old in Norway, 1981-90.
The Journal of rheumatology 2002;29(8):1760-6.
2001: Tor Bjerkedal; John Ivar Brevik
[Geographic variation in body mass index measured among men born in Norway between 1967-80].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2001;121(30):3505-8.
2001: Dag Moster; Rolv T Lie; Lorentz M Irgens; Tor Bjerkedal; Trond Markestad
The association of Apgar score with subsequent death and cerebral palsy: A population-based study in term infants.
The Journal of pediatrics 2001;138(6):798-803.
2001: Tor Bjerkedal; J R Beckstrøm; John Ivar Brevik; K Skåden
[Height, weight and body mass index measured among men born 1967-80].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2001;121(6):674-7.
2001: Hilde H Holte; Kristian Tambs; Tor Bjerkedal
Becoming a disability pensioner with rheumatoid arthritis in Norway 1971-1990.
The Journal of rheumatology 2001;28(1):54-61.
2001: Johan Lund; Tor Bjerkedal
Permanent impairments, disabilities and disability pensions related to accidents in Norway.
Accident; analysis and prevention 2001;33(1):19-30.
2000: Kåre Birger Hagen; Hilde H Holte; Kristian Tambs; Tor Bjerkedal
Socioeconomic factors and disability retirement from back pain: a 1983-1993 population-based prospective study in Norway.
Spine 2000;25(19):2480-7.
2000: Hilde H Holte; Kristian Tambs; Tor Bjerkedal
Manual work as predictor for disability pensioning with osteoarthritis among the employed in Norway 1971-1990.
International journal of epidemiology 2000;29(3):487-94.
2000: Tor Bjerkedal
Protection of privacy against protection of health.
Acta obstetricia et gynecologica Scandinavica 2000;79(6):520-2.
1999: Bjørgulf Claussen; Tor Bjerkedal
[Sources of income after being denied disability pension].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1999;119(15):2187-91.
1999: Bjørgulf Claussen; Tor Bjerkedal
[Applications for disability benefits before and after the 1991 restrictions].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1999;119(15):2182-6.
1999: Tor Bjerkedal; O Thune; L M Irgens
[Early identification of children with increased risk of permanent occupational disability].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1999;119(5):652-6.
1997: Kari R Strand; Ebba Wergeland; Tor Bjerkedal
Job adjustment as a means to reduce sickness absence during pregnancy.
Scandinavian journal of work, environment & health 1997;23(5):378-84.
1997: Kari R Strand; Ebba Wergeland; Tor Bjerkedal
Work load, job control and risk of leaving work by sickness certification before delivery, Norway 1989.
Scandinavian journal of social medicine 1997;25(3):193-201.
1997: Petter Kristensen; Lorentz M Irgens; Tor Bjerkedal
Environmental factors, reproductive history, and selective fertility in farmers' sibships.
American journal of epidemiology 1997;145(9):817-25.
1997: Søren Brage; Tor Bjerkedal; Dag Bruusgaard
Occupation-specific morbidity of musculoskeletal disease in Norway.
Scandinavian journal of social medicine 1997;25(1):50-7.
1997: Ebba Wergeland; Tor Bjerkedal; G Mowé
[Assessment of the causes of (occupational) diseases--what do physicians have to say?].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1997;117(2):248-50.
1997: Ebba Wergeland; Tor Bjerkedal; A Andersen; G Mowé
[Use of occupational disease benefits].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1997;117(2):211-6.
1996: S Andersen; John E Berg; Tor Bjerkedal; P O Alveberg
[Mortality among Norwegian addicts after admission to different types of institutions. A 10-year follow-up study 1985-94].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1996;116(24):2912-6.
1996: Søren Brage; B G Bentsen; Tor Bjerkedal; Jan F. Nygård; Gunnar Tellnes
ICPC as a standard classification in Norway.
Family practice 1996;13(4):391-6.
1996: Søren Brage; Tor Bjerkedal
Musculoskeletal pain and smoking in Norway.
Journal of epidemiology and community health 1996;50(2):166-9.
1996: Kari R Strand; Ebba Wergeland; Tor Bjerkedal
Fertility patterns according to occupational grouping in Norway, 1989.
Scandinavian journal of social medicine 1996;24(1):50-4.
1996: Ebba Wergeland; Kari R Strand; Tor Bjerkedal
Smoking in pregnancy: a way to cope with excessive workload?
Scandinavian journal of primary health care 1996;14(1):21-8.
1995: Tor Bjerkedal; Ebba Wergeland
[Disability pensions because of musculoskeletal diseases among women of different occupations].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1995;115(28):3522-7.
1994: F O Kinge; Tor Bjerkedal
[Oligophrenia as a disability diagnosis. Disability pensions in the period 1967-1992 in a group from Bergen born in 1940].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1994;114(18):2146-8.
1994: F O Kinge; Tor Bjerkedal
[Use of disability pensions. Disability pensions from 1967 to 1992 in a group from Bergen born in 1940].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1994;114(18):2142-5.
1994: F O Kinge; Tor Bjerkedal
[The extent of disability pensions based on educational background. Disability pensions in the period 1967-1992 in a group born 1949 in Bergen].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1994;114(18):2139-42.
1994: Tor Bjerkedal; O Thune
[Basic and attendance benefits to children--extent and medical causes].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1994;114(17):1941-5.
1993: Dag Bruusgaard; A R Evensen; Tor Bjerkedal
Fibromyalgia--a new cause for disability pension.
Scandinavian journal of social medicine 1993;21(2):116-9.
1993: B Daehli; Tor Bjerkedal
[The concept of disease in the light of economic and political realities].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1993;113(4):482.
1992: A T Høstmark; J Berg; S Brudal; S R Berge; P Kierulf; Tor Bjerkedal
Coronary risk factors in middle-aged men as related to smoking, coffee intake and physical activity.
Scandinavian journal of social medicine 1992;20(4):196-203.
1992: John E Berg; Gunnar Tellnes; Tor Bjerkedal
[How is it going with the Sick-listing II patients? From the project Evaluation of Follow-up of Long-term Sick-listed Persons].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1992;112(2):222-4.
1991: B Daehli; Tor Bjerkedal
[Physicians practicing for the legal requirements for eligibility for disability pensions].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1991;111(9):1144-6.
1991: U A Gunvaldsen; Tor Bjerkedal; I M Melbye
[Chronic muscular pain. A 7-year follow-up of the insurance status of 87 women].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 1991;111(9):1096-9.
1989: Gunnar Tellnes; K O Svendsen; Dag Bruusgaard; Tor Bjerkedal
Incidence of sickness certification. Proposal for use as a health status indicator.
Scandinavian journal of primary health care 1989;7(2):111-7.
1989: Gunnar Tellnes; Tor Bjerkedal
Epidemiology of sickness certification--a methodological approach based on a study from Buskerud County in Norway.
Scandinavian journal of social medicine 1989;17(3):245-51.