<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type='text/xsl' href='/oai/static/oai2.xsl' ?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd">
  <responseDate>2026-05-14T16:13:51Z</responseDate>
  <request identifier="401f43d9e2f205b58390763208abc81b14bd760e089b2f21d24b9e806036093b" metadataPrefix="oai_ddi25" verb="GetRecord">https://datacatalogue.cessda.eu/oai-pmh/v0/oai</request>
  <GetRecord>
    <record>
    <header>
      <identifier>401f43d9e2f205b58390763208abc81b14bd760e089b2f21d24b9e806036093b</identifier>
      <datestamp>2025-06-17T03:27:18Z</datestamp>
      <setSpec>language:sv</setSpec>
    </header>
      <metadata>
        <codeBook xmlns="ddi:codebook:2_5" version="2.5" xsi:schemaLocation="ddi:codebook:2_5 http://www.ddialliance.org/Specification/DDI-Codebook/2.5/XMLSchema/codebook.xsd">
    <docDscr>
      <citation>
        <titlStmt>
          <titl xml:lang="sv">Svenska Tvillingregistret</titl>
        </titlStmt>
        <prodStmt>
          <producer xml:lang="en" abbr="SND">Swedish National Data Service</producer><producer xml:lang="sv" abbr="SND">Svensk nationell datatjänst</producer>
        </prodStmt>
        <holdings xml:lang="en" URI="https://doi.org/">Landing page</holdings>
      </citation>
    </docDscr>
  <stdyDscr>
    <citation>
      <titlStmt>
        <titl xml:lang="sv">Svenska Tvillingregistret</titl>
        <parTitl xml:lang="en">Swedish Twin Registry</parTitl>
        <IDNo xml:lang="en" agency="SND">ext0163-1-1</IDNo>
      </titlStmt>
      <rspStmt>
        <AuthEnty affiliation="Department of Medical Epidemiology and Biostatistics, Karolinska Institutet" xml:lang="en">Magnusson, Patrik
        </AuthEnty><AuthEnty affiliation="Institutionen för medicinsk epidemiologi och biostatistik, Karolinska Institutet" xml:lang="sv">Magnusson, Patrik
        </AuthEnty>
      </rspStmt>
      <prodStmt>
        <prodDate xml:lang="en"/>
      </prodStmt>
      <distStmt>
        <distrbtr abbr="SND" URI="https://snd.gu.se" xml:lang="en">Swedish National Data Service</distrbtr><distrbtr abbr="SND" URI="https://snd.gu.se" xml:lang="sv">Svensk nationell datatjänst</distrbtr>
        <distDate xml:lang="en" date="2015-06-11">2015-06-11</distDate>
      </distStmt>
      <verStmt>
      </verStmt>
      <holdings xml:lang="en" URI="https://doi.org/">Landing page</holdings>
    </citation>
    <stdyInfo>
      <subject>
        <keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001519">Behavior</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001519">Beteende</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001172">Arthritis, Rheumatoid</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001172">Ledgångsreumatism</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D002648">Child</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D002648">Barn</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D003920">Diabetes Mellitus</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D003920">Diabetes</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D005190">Family</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D005190">Familj</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D005823">Genetics</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D005823">Genetik</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D002318">Cardiovascular Diseases</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D002318">Hjärt-kärlsjukdomar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D006262">Health</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D006262">Hälsa</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D006973">Hypertension</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D006973">Högt blodtryck</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D005510">Food Habits</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D008881">Migraine Disorders</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D008881">Migränsjukdomar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D004777">Environment</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D004777">Miljö</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D004781">Environmental Exposure</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D004781">Miljöexponering</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D010300">Parkinson Disease</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D010300">Parkinsons sjukdom</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D012907">Smoking</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D012907">Rökning</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D004194">Disease</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D004194">Sjukdom</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D014026">Tobacco</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D014026">Tobak</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D005221">Fatigue</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D005221">Trötthet</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D040941">Heredity</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D040941">Ärftlighet</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D018486">Twin Study</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D018486">Tvillingstudie [Publikationstyp]</keyword><keyword xml:lang="en" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/ef99efea-b776-4b11-b566-5f8923a2008d">youth</keyword><keyword xml:lang="sv" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/ef99efea-b776-4b11-b566-5f8923a2008d">ungdom</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001168">Arthritis</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001168">Ledinflammation</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D009273">Age Groups</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D009273">Åldersgrupper</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D004778">Environment and Public Health</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D004778">Miljö och folkhälsa</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D011154">Population Characteristics</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D011154">Befolkningskarakteristika</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001520">Behavior and Behavior Mechanisms</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001520">Beteende och beteendemekanismer</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D011593">Psychology, Social</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D011593">Socialpsykologi</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D012816">Signs and Symptoms</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D012816">Tecken och symtom</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D004700">Endocrine System Diseases</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D004700">Hormonsjukdomar</keyword><keyword xml:lang="en" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/ab82f3f1-f526-4e80-a699-e194459fbad3">age groups</keyword><keyword xml:lang="sv" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/ab82f3f1-f526-4e80-a699-e194459fbad3">åldersgrupper</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D004787">Environmental Pollution</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D004787">Miljöförorening</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001327">Autoimmune Diseases</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001327">Autoimmuna sjukdomar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001695">Biology</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001695">Biologi</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D005247">Feeding Behavior</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D005247">Ätbeteende</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D006184">Habits</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D006184">Vanor</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D010335">Pathologic Processes</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D010335">Patologiska processer</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D012216">Rheumatic Diseases</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D012216">Reumatiska sjukdomar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D014652">Vascular Diseases</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D014652">Kärlsjukdomar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D019657">Solanaceae</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D019657">Solanaceae</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D020734">Parkinsonian Disorders</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D020734">Parkinsonism</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D044882">Glucose Metabolism Disorders</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D044882">Glukosomsättningsstörningar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D051270">Headache Disorders, Primary</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D051270">Primära huvudvärksproblem</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D052182">Study Characteristics</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D052182">Studiers särdrag</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D055614">Genetic Phenomena</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D055614">Genetiska fenomen</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D055669">Ecological and Environmental Phenomena</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D055669">Fenomen inom ekologi och miljö</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D066252">Sociological Factors</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D066252">Sociologiska faktorer</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D000080874">Synucleinopathies</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D000080874">Synukleinopatier</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D011584">Psychology</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D011584">Psykologi</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D009272">Persons</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D009272">Personer</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D013568">Pathological Conditions, Signs and Symptoms</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D013568">Patologiska tillstånd, tecken och symtom</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D009140">Musculoskeletal Diseases</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D009140">Muskel- och skelettsjukdomar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D012961">Sociology</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D012961">Sociologi</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D011634">Public Health</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D011634">Folkhälsa</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001480">Basal Ganglia Diseases</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001480">Basalgangliesjukdomar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001522">Behavior, Animal</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001522">Djurs beteende</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001686">Biological Phenomena</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001686">Biologiska fenomen</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001690">Biological Science Disciplines</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001690">Biovetenskaper</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D003240">Connective Tissue Diseases</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D003240">Bindvävssjukdomar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D007154">Immune System Diseases</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D007154">Immunsjukdomar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D007592">Joint Diseases</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D007592">Ledsjukdomar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D008659">Metabolic Diseases</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D008659">Ämnesomsättningssjukdomar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D009069">Movement Disorders</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D009069">Rörelserubbningar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D009747">Nutritional Physiological Phenomena</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D009747">Näringsfysiologi</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D019636">Neurodegenerative Diseases</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D019636">Neurodegenerativa sjukdomar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D020773">Headache Disorders</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D020773">Huvudvärksproblem</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D057165">Proteostasis Deficiencies</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D057165">Proteostasbrist</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D000076666">Solanales</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D000076666">Potatisordningen</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D009422">Nervous System Diseases</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D009422">Nervsystemets sjukdomar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D002493">Central Nervous System Diseases</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D002493">Centrala nervsystemets sjukdomar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001927">Brain Diseases</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001927">Hjärnsjukdomar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D008511">Medicine</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D008511">Medicin</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D012942">Social Sciences</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D012942">Samhällsvetenskap</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D009750">Nutritional and Metabolic Diseases</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D009750">Näringsrubbningar och ämnesomsättningssjukdomar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001525">Behavioral Sciences</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D001525">Beteendevetenskap</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D010811">Natural Science Disciplines</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D010811">Naturvetenskaper</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D017437">Skin and Connective Tissue Diseases</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D017437">Hud- och bindvävssjukdomar</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D019684">Magnoliopsida</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D019684">Blomväxter</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D000066888">Diet, Food, and Nutrition</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D000066888">Kost, mat och näring</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D006281">Health Occupations</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D006281">Vårdyrken</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D004191">Behavioral Disciplines and Activities</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D004191">Beteendevetenskapliga discipliner och aktiviteter</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D010829">Physiological Phenomena</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D010829">Fysiologiska fenomen</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D064028">Tracheophyta</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D064028">Kärlväxter</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D019669">Embryophyta</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D019669">Embryophyta</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D057949">Streptophyta</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D057949">Streptophyta</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D057948">Viridiplantae</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D057948">Gröna växter</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D010944">Plants</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D010944">Växter</keyword><keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D056890">Eukaryota</keyword><keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D056890">Eukaryota</keyword>
        <topcClas xml:lang="en" vocab="Standard för svensk indelning av forskningsämnen 2011">Medical and Health Sciences</topcClas><topcClas xml:lang="sv" vocab="Standard för svensk indelning av forskningsämnen 2011">Medicin och hälsovetenskap</topcClas><topcClas xml:lang="en" vocab="Standard för svensk indelning av forskningsämnen 2011">Medical Genetics</topcClas><topcClas xml:lang="sv" vocab="Standard för svensk indelning av forskningsämnen 2011">Medicinsk genetik</topcClas><topcClas xml:lang="en" vocab="Standard för svensk indelning av forskningsämnen 2011">Public Health, Global Health, Social Medicine and Epidemiology</topcClas><topcClas xml:lang="sv" vocab="Standard för svensk indelning av forskningsämnen 2011">Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi</topcClas><topcClas xml:lang="en" vocab="CESSDA Topic Classification" vocabURI="https://vocabularies.cessda.eu/vocabulary/TopicClassification?code=Health">HEALTH</topcClas><topcClas xml:lang="sv" vocab="CESSDA Topic Classification" vocabURI="https://vocabularies.cessda.eu/vocabulary/TopicClassification?code=Health">HÄLSA</topcClas><topcClas xml:lang="en" vocab="Standard för svensk indelning av forskningsämnen 2011">Basic Medicine</topcClas><topcClas xml:lang="sv" vocab="Standard för svensk indelning av forskningsämnen 2011">Medicinska och farmaceutiska grundvetenskaper</topcClas><topcClas xml:lang="en" vocab="Standard för svensk indelning av forskningsämnen 2011">Health Sciences</topcClas><topcClas xml:lang="sv" vocab="Standard för svensk indelning av forskningsämnen 2011">Hälsovetenskap</topcClas>
      </subject>
      <abstract xml:lang="en">STR has been based at the Karolinska Institutet  since 1959, first at the Institution of Hygien and thereafter at Medical Epidemiology and Biostatistics, MEB. STR was originally created primarily to study the importance of environmental factors for the development of cardiovascular/respiratory diseases and cancer, but has since then evolved to a resource for all epidemiological and genetic aspects of ill health. The research that is based on STR is financed externally through grants that the users apply for individually. STR is in this way making up the basis for a lot of research; during the past decade over 50 articles have been published annually, where of several in high impact journals. STR has during the past decade transformed from being primarily an epidemiological resource to forming a biobank of samples (DNA, blood and serum) for a large number of twins. Genome-wide genotyping of close to 30 000 participants have been undertaken and the plan is that all DNA samples shall become genotyped on a genome-wide platform the coming few years. Serum from 12 600 twins have so far been used for measurements of classical blood biomarkers. Generated genotypes and biomarker measurements builds in an effective manner up the value of STR as an molecular epidemiological resource.  Purpose:  The goal of the Swedish Twin Registry (STR) is to provide a longitudinal research infrastructure in the form of a population-based twin cohort of adequate size and content to enable powerful epidemiological and molecular medical studies. The study designs used are classical epidemiological investigations of risk-factors for disease and death (providing within twin pair designs), genetic association studies, heritability studies (both twin model based and molecular based), epigenetics, proteomics as well as other types of "-omics" approaches. STR is open for Swedish researchers and international researchers that have a Swedish collaborator.</abstract><abstract xml:lang="sv">STR har sin hemvist på Karolinska Institutet sedan 1959, först vid Hygieniska institutionen (som senare blev institutet för miljömedicin, IMM) och därefter vid Medicinsk Epidemiologi och Biostatistik, MEB. STR skapades främst för att studera betydelsen av miljöfaktorer för uppkomsten av kardiovaskulära/respiratoriska sjukdomar och cancer, men har sedan dess utvecklats till en resurs för alla epidemiologiska och genetiska aspekter av hälsa/sjuklighet. Forskningen som baseras på STR finansieras externt genom anslag som brukarna söker individuellt. STR utgör på så sätt grunden för väldigt mycket forskning och därmed även externa anslag. Genom åren har ett mycket stort antal vetenskapliga artiklar publicerats på data från STR; det senaste decenniet (sedan 2005) har över 50 artiklar publiserats per år i genomsnitt. Många av dessa i högt rankade tidskrifter. Under det senaste decenniet har STR transformerats från att vara främst en epidemiologisk resurs till att utgöra en biobank med prover på ett stort antal tvillingar i form av DNA, blod och serum. Genomvid genotypning av närmare 30 000 deltagare har genomförts och planen är att samtliga DNA skall genotypas på detta vis under de närmaste åren. Serum från 12 600 deltagare har hittills använts för mätning av ett dussintal klassiska biomarkörer. Genererade genotyper och biomarkörmätningar bygger på ett effektivt sätt upp registrets värde som molekylärepidemiologisk resurs.  Syfte:  Målsättningen med svenska Tvillingregistret (STR) är att tillhandahålla en longitudinell forskningsresurs i form av en populationsbaserad tvillingkohort av tillräcklig storlek och genetiskt/fenotypiskt innehåll för kraftfulla epidemiologiska och molekylära studier av medicinsk relevans. Studiedesigner som används idag innefattar både klassiska epidemiologiska undersökningar för utvärdering av risk-faktorer för sjuklighet och död samt även genetiska associations studier, heritabilitetsstudier (klassisk tvillingdesign samt molekylärt baserade), epigenetik, proteomik och andra så kallade ”omics”-ansatser. STR är öppet för svenska forskare samt internationella forskare som har en svensk samarbetspartner.</abstract>
      <sumDscr>
        <collDate xml:lang="en" date="1961" event="single">1961</collDate><collDate xml:lang="en" date="1961" event="single">1961</collDate><collDate xml:lang="en" date="1961" event="single">1961</collDate>
        <anlyUnit xml:lang="en">Individual<concept/></anlyUnit><anlyUnit xml:lang="sv">Individ<concept/></anlyUnit>
      </sumDscr>
    </stdyInfo>
    <method>
      <dataColl>
        <timeMeth xml:lang="en">Longitudinal<concept/></timeMeth><timeMeth xml:lang="sv">Longitudinell<concept/></timeMeth>
        <sampProc xml:lang="en">Total universe/Complete enumeration<concept/></sampProc><sampProc xml:lang="sv">Hela populationen/total räkning<concept/></sampProc>
        <collMode xml:lang="en">Other<concept/></collMode><collMode xml:lang="sv">Övrigt<concept/></collMode><collMode xml:lang="en">Self-administered questionnaire<concept/></collMode><collMode xml:lang="sv">Självadministrerat frågeformulär<concept/></collMode><collMode xml:lang="en">Physical measurements and tests<concept/></collMode><collMode xml:lang="sv">Fysiska mätningar och tester<concept/></collMode>
      </dataColl>
    </method>
    <dataAccs>
      <useStmt>
        <restrctn xml:lang="en">Access to data through an external actor. Access to data is restricted.</restrctn><restrctn xml:lang="sv">Åtkomst till data via extern aktör. Tillgång till data är begränsad.</restrctn>
      </useStmt>
    </dataAccs>
    <othrStdyMat>
    </othrStdyMat>
  </stdyDscr>
  <fileDscr>
  </fileDscr>
</codeBook>
      </metadata>
      <about>
        <provenance xmlns="http://www.openarchives.org/OAI/2.0/provenance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/provenance http://www.openarchives.org/OAI/2.0/provenance.xsd">
    <originDescription harvestDate="2025-06-17T03:27:18Z" altered="true">
      <baseURL>https://snd.gu.se</baseURL>
      <identifier>ext0163-1</identifier>
      <datestamp>2017-02-27T15:43:54Z</datestamp>
      <metadataNamespace>ddi:codebook:2_5</metadataNamespace>
    </originDescription>
</provenance>
      </about>
    </record>
  </GetRecord>
</OAI-PMH>