J Haukka

Summary

Affiliation: National Public Health Institute
Country: Finland

Publications

  1. pmc Transition into daylight saving time influences the fragmentation of the rest-activity cycle
    Tuuli A Lahti
    Department of Mental Health and Alcohol Research, National Public Health Institute, Mannerheimintie 166, FI 00300 Helsinki, Finland
    J Circadian Rhythms 4:1. 2006
  2. pmc Daylight saving time transitions and hospital treatments due to accidents or manic episodes
    Tuuli A Lahti
    Department of Mental Health and Alcohol Research, National Public Health Institute, Helsinki, Finland
    BMC Public Health 8:74. 2008
  3. pmc Drop-out and mood improvement: a randomised controlled trial with light exposure and physical exercise [ISRCTN36478292]
    Sami Leppämäki
    Department of Mental Health and Alcohol Research, Unit for Epidemiology and Genetics of Mental Health, National Public Health Institute, Helsinki, Finland
    BMC Psychiatry 4:22. 2004
  4. pmc Psychosis among "healthy" siblings of schizophrenia patients
    Ritva Arajärvi
    Department of Mental Health and Alcohol Research, National Public Health Institute, Helsinki, Finland
    BMC Psychiatry 6:6. 2006
  5. pmc Family-based clusters of cognitive test performance in familial schizophrenia
    Fabian Hoti
    Department of Mathematical Sciences, University of Oulu, Finland
    BMC Psychiatry 4:20. 2004
  6. pmc Effect of simulated dawn on quality of sleep--a community-based trial
    Sami Leppämäki
    Department of Mental Health and Alcohol Research, National Public Health Institute, Helsinki, Finland
    BMC Psychiatry 3:14. 2003
  7. pmc Family structure and risk factors for schizophrenia: case-sibling study
    Jari K Haukka
    Department of Mental Health and Alcohol Research, KTL, National Public Health Institute, Mannerheimintie 160, FIN 00300 Helsinki, Finland
    BMC Psychiatry 4:41. 2004
  8. doi request reprint Association between medication and risk of suicide, attempted suicide and death in nationwide cohort of suicidal patients with schizophrenia
    Jari Haukka
    Department of Mental Health and Alcohol Research, National Public Health Institute, FIN 00300 Helsinki, Finland
    Pharmacoepidemiol Drug Saf 17:686-96. 2008
  9. ncbi request reprint Increasing age does not decrease risk of schizophrenia up to age 40
    Jari Haukka
    Department of Mental Health and Alcohol Research, KTL, National Public Health Institute, Mannerheimintie 160, FIN 00300 Helsinki, Finland
    Schizophr Res 61:105-10. 2003
  10. ncbi request reprint Fertility of patients with schizophrenia, their siblings, and the general population: a cohort study from 1950 to 1959 in Finland
    Jari Haukka
    Kansanterveyslaitos, National Public Health Institute, Helsinki, Finland
    Am J Psychiatry 160:460-3. 2003

Collaborators

Detail Information

Publications28

  1. pmc Transition into daylight saving time influences the fragmentation of the rest-activity cycle
    Tuuli A Lahti
    Department of Mental Health and Alcohol Research, National Public Health Institute, Mannerheimintie 166, FI 00300 Helsinki, Finland
    J Circadian Rhythms 4:1. 2006
    ..01). CONCLUSION : Transition into daylight saving time may have a disruptive effect on the rest-activity cycle in those healthy adults who are short-sleepers or more of the evening type...
  2. pmc Daylight saving time transitions and hospital treatments due to accidents or manic episodes
    Tuuli A Lahti
    Department of Mental Health and Alcohol Research, National Public Health Institute, Helsinki, Finland
    BMC Public Health 8:74. 2008
    ..The aim of this study was to explore the effects of transitions into and out of daylight saving time on the incidence of accidents and manic episodes in the Finnish population during the years of 1987 to 2003...
  3. pmc Drop-out and mood improvement: a randomised controlled trial with light exposure and physical exercise [ISRCTN36478292]
    Sami Leppämäki
    Department of Mental Health and Alcohol Research, Unit for Epidemiology and Genetics of Mental Health, National Public Health Institute, Helsinki, Finland
    BMC Psychiatry 4:22. 2004
    ..We explored background variables possibly explaining the individual variation in treatment response or failure in a randomised trial...
  4. pmc Psychosis among "healthy" siblings of schizophrenia patients
    Ritva Arajärvi
    Department of Mental Health and Alcohol Research, National Public Health Institute, Helsinki, Finland
    BMC Psychiatry 6:6. 2006
    ..We also analyzed the emergence of psychotic disorders among siblings of patients with schizophrenia during seven to eleven years of follow-up...
  5. pmc Family-based clusters of cognitive test performance in familial schizophrenia
    Fabian Hoti
    Department of Mathematical Sciences, University of Oulu, Finland
    BMC Psychiatry 4:20. 2004
    ..The aim of the study was to detect family clusters with similar cognitive test performance...
  6. pmc Effect of simulated dawn on quality of sleep--a community-based trial
    Sami Leppämäki
    Department of Mental Health and Alcohol Research, National Public Health Institute, Helsinki, Finland
    BMC Psychiatry 3:14. 2003
    ..Disturbances in sleep patterns are common and may compromise wellbeing even in the short term. Our hypothesis was that simulated dawn could improve the subjective quality of sleep during winter...
  7. pmc Family structure and risk factors for schizophrenia: case-sibling study
    Jari K Haukka
    Department of Mental Health and Alcohol Research, KTL, National Public Health Institute, Mannerheimintie 160, FIN 00300 Helsinki, Finland
    BMC Psychiatry 4:41. 2004
    ..We examined how family-structure-related variables modified the risk of schizophrenia in Finnish families with at least one child with schizophrenia born from 1950 to 1976...
  8. doi request reprint Association between medication and risk of suicide, attempted suicide and death in nationwide cohort of suicidal patients with schizophrenia
    Jari Haukka
    Department of Mental Health and Alcohol Research, National Public Health Institute, FIN 00300 Helsinki, Finland
    Pharmacoepidemiol Drug Saf 17:686-96. 2008
    ..The aim of this study was to investigate, in a nationwide cohort of suicidal schizophrenic individuals, how the risks of suicide, severe suicide attempts and death are associated with usage of antidepressant or antipsychotic treatment...
  9. ncbi request reprint Increasing age does not decrease risk of schizophrenia up to age 40
    Jari Haukka
    Department of Mental Health and Alcohol Research, KTL, National Public Health Institute, Mannerheimintie 160, FIN 00300 Helsinki, Finland
    Schizophr Res 61:105-10. 2003
    ..This increase is more rapid among males. The reasons behind the lower proportion of susceptibles in younger birth cohorts, as well reasons for differences in risk between sexes remained unclear and need more research...
  10. ncbi request reprint Fertility of patients with schizophrenia, their siblings, and the general population: a cohort study from 1950 to 1959 in Finland
    Jari Haukka
    Kansanterveyslaitos, National Public Health Institute, Helsinki, Finland
    Am J Psychiatry 160:460-3. 2003
    ..The authors investigated whether the siblings of patients with schizophrenia produce more offspring, thereby compensating for the low fertility of the affected individuals...
  11. ncbi request reprint Growth pattern and risk of schizophrenia
    J Haukka
    Department of Mental Health and Alcohol Research, KTL, National Public Health Institute, Helsinki, Finland
    Psychol Med 38:63-70. 2008
    ..Exposure to famine during foetal development and low birthweight increase the risk. However, few studies have investigated the association between schizophrenia and adult height and weight or patterns of growth...
  12. ncbi request reprint High concordance between self-reported medication and official prescription database information
    Jari Haukka
    Department for Mental Health and Alcohol Research, Mannerheimintie 166, 00300, Helsinki, Finland
    Eur J Clin Pharmacol 63:1069-74. 2007
    ..We compared the point prevalence of psychotropic medication use, and self-reported vs. register-based information on antipsychotic medication dosage...
  13. ncbi request reprint Association between prenatal exposure to poliovirus infection and adult schizophrenia
    J Suvisaari
    National Public Health Institute, Department of Mental Health and Alcohol Research, Helsinki, Finland
    Am J Psychiatry 156:1100-2. 1999
    ..The authors' goal was to determine whether there is an association between prenatal exposure to poliovirus infection and later development of schizophrenia...
  14. ncbi request reprint Age at onset and outcome in schizophrenia are related to the degree of familial loading
    J M Suvisaari
    Department of Mental Health and Alcohol Research, National Public Health Institute, Helsinki, Finland
    Br J Psychiatry 173:494-500. 1998
    ..Recent research suggests that high familial loading is associated with early onset of schizophrenia. Results concerning outcome have been controversial...
  15. ncbi request reprint Association of low serum total cholesterol with major depression and suicide
    T Partonen
    Department of Mental Health and Alcohol Research, National Public Health Institute, Helsinki, Finland
    Br J Psychiatry 175:259-62. 1999
    ..It has been suggested that low serum total cholesterol is associated with an increased risk of suicide...
  16. ncbi request reprint Mortality in offspring of mothers with psychotic disorder
    J Suvisaari
    Department of Mental Health and Alcohol Research, National Public Health Institute, Helsinki, Finland
    Psychol Med 38:1203-10. 2008
    ..We investigated predictors of mortality from late adolescence until middle age in offspring of mothers with psychotic disorders...
  17. ncbi request reprint Regional variation in the incidence of schizophrenia in Finland: a study of birth cohorts born from 1950 to 1969
    J Haukka
    Department of Mental Health and Alcohol Research, KTL, National Public Health Institute, Helsinki, Finland
    Psychol Med 31:1045-53. 2001
    ..CONCLUSIONS: Urban birth is a risk factor for schizophrenia in Finland in cohorts born since 1955. However, genuine spatial clustering of schizophrenia in eastern Finland was also observed, possibly caused by genetic isolation...
  18. ncbi request reprint Cumulative incidence of mental disorders among offspring of mothers with psychotic disorder. Results from the Helsinki High-Risk Study
    Laura T Niemi
    Department of Mental Health and Alcohol Research, KTL, National Public Health Institute, Helsinki, Finland
    Br J Psychiatry 185:11-7. 2004
    ..The Helsinki High-Risk Study follows up all women born between 1916 and 1948 and treated for schizophrenia-spectrum disorders in psychiatric hospitals in Helsinki, their offspring born between 1960 and 1964, and controls...
  19. ncbi request reprint Childhood predictors of future psychiatric morbidity in offspring of mothers with psychotic disorder: results from the Helsinki High-Risk Study
    Lauri T Niemi
    Department of Mental Health and Alcohol Research, National Public Health Institute, Helsinki, Finland
    Br J Psychiatry 186:108-14. 2005
    ..The Helsinki High-Risk Study monitors women treated for schizophrenia-spectrum disorders in Helsinki mental hospitals before 1975, their offspring, and controls...
  20. ncbi request reprint Childhood growth and future development of psychotic disorder among Helsinki high-risk children
    Laura T Niemi
    Department of Mental Health and Alcohol Research, KTL, National Public Health Institute, Mannerheimintie, Helsinki, Finland
    Schizophr Res 76:105-12. 2005
    ..The Helsinki High-Risk (HR) Study is a follow-up study of offspring (born between 1960 and 1964) of all females treated for schizophrenia spectrum disorders in mental hospitals in Helsinki before 1975, and controls...
  21. ncbi request reprint No association between season of birth of patients with schizophrenia and risk of schizophrenia among their siblings
    Jaana M Suvisaari
    Department of Mental Health and Alcohol Research, National Public Health Institute, Mannerheimintie 166, FIN 00300 Helsinki, Finland
    Schizophr Res 66:1-6. 2004
    ....
  22. ncbi request reprint Randomized trial of the efficacy of bright-light exposure and aerobic exercise on depressive symptoms and serum lipids
    Sami J Leppämäki
    Department of Mental Health and Alcohol Research, National Public Health Institute, Helsinki, Finland
    J Clin Psychiatry 63:316-21. 2002
    ..Our objective was to compare the effect of aerobic exercise with or without bright-light exposure on health-related quality of life, mood, and serum lipids in a sample of relatively healthy adult subjects...
  23. ncbi request reprint Do maternal psychotic symptoms predict offspring's psychotic disorder? Findings from the Helsinki High-Risk Study
    Laura T Niemi
    Department of Mental Health and Alcohol Research, KTL, National Public Health Institute, Mannerheimintie 166, FIN 00300 Helsinki, Finland
    Psychiatry Res 125:105-15. 2004
    ....
  24. doi request reprint Profile of a drunk driver and risk factors for drunk driving. Findings in roadside testing in the province of Uusimaa in Finland 1990-2008
    M Portman
    National Institute for Health and Welfare, Mannerheimintie 166, FIN 00300 Helsinki, Finland Electronic address
    Forensic Sci Int 231:20-7. 2013
    ..5 to 1.2‰. In 2004 the taxation of alcohol beverages was reduced by 30%. Neither of these measures affected the prevalence of drunk driving or the mean BAC of drunk drivers (p=0.63). ..
  25. ncbi request reprint Time patterns and seasonal mismatch in suicide
    T Partonen
    Department of Mental Health and Alcohol Research, National Public Health Institute, Helsinki, Finland
    Acta Psychiatr Scand 109:110-5. 2004
    ..Physical time-givers may have a modifying effect on the time patterns of death from suicide...
  26. doi request reprint Work-related accidents and daylight saving time in Finland
    T Lahti
    Department of Mental Health and Substance Abuse Services, National Institute for Health and Welfare, Mannerheimintie 166, FI 00300, Helsinki, Finland
    Occup Med (Lond) 61:26-8. 2011
    ..Sleep deprivation may have negative effects on motivation, attention and alertness and thus it is possible that transitions into and out of DST may increase accident rates...
  27. doi request reprint Predicting DUI recidivism of male drunken driving: a prospective study of the impact of alcohol markers and previous drunken driving
    M Portman
    National Institute for Health and Welfare, Department of Alcohol, Drugs and Addiction, Mannerheimintie 166, Helsinki, Finland
    Drug Alcohol Depend 106:186-92. 2010
    ..More attention should be paid by both physicians and the police to the high risk of recidivism among those convicted of drunken driving...
  28. ncbi request reprint The effect of alpha-tocopherol and beta-carotene supplementation on COPD symptoms
    M Rautalahti
    National Public Health Institute, Helsinki, Finland
    Am J Respir Crit Care Med 156:1447-52. 1997
    ....