<codeBook xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xsi:schemaLocation="ddi:codebook:2_5 http://www.ddialliance.org/Specification/DDI-Codebook/2.5/XMLSchema/codebook.xsd" xmlns="ddi:codebook:2_5">
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    <citation>
      <titlStmt>
        <titl xml:lang="sv">NSHDS-MSP</titl>
        <altTitl>Mammografiscreeningprojektet (MSP); Mammography Screening Project (MSP)</altTitl>
        <parTitl xml:lang="en">NSHDS-MSP</parTitl>
        <IDNo agency="SND">ext0176-1-1</IDNo>
      </titlStmt>
      <prodStmt>
        <producer xml:lang="en" abbr="SND">Swedish National Data Service</producer>
        <producer xml:lang="sv" abbr="SND">Svensk nationell datatjänst</producer>
      </prodStmt>
    </citation>
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  <stdyDscr>
    <citation>
      <titlStmt>
        <titl xml:lang="sv">NSHDS-MSP</titl>
        <altTitl>Mammografiscreeningprojektet (MSP); Mammography Screening Project (MSP)</altTitl>
        <parTitl xml:lang="en">NSHDS-MSP</parTitl>
        <IDNo agency="SND">ext0176-1-1</IDNo>
      </titlStmt>
      <rspStmt>
        <AuthEnty xml:lang="en" affiliation="Department of Diagnostics and Intervention, Umeå University">van Guelpen, Bethany</AuthEnty>
        <AuthEnty xml:lang="sv" affiliation="Institutionen för diagnostik och intervention, Umeå universitet">van Guelpen, Bethany</AuthEnty>
      </rspStmt>
      <prodStmt />
      <distStmt>
        <distrbtr xml:lang="en" abbr="SND" URI="https://snd.se">Swedish National Data Service</distrbtr>
        <distrbtr xml:lang="sv" abbr="SND" URI="https://snd.se">Svensk nationell datatjänst</distrbtr>
        <distDate xml:lang="en" date="2015-04-29" />
      </distStmt>
      <serStmt>
        <serName xml:lang="en" abbr="cohortsse">Swedish Cohort Consortium (Cohorts.se)</serName>
        <serInfo xml:lang="en">The Swedish Cohort Consortium (Cohorts.se) is a project aimed at improving management and increasing the use of Swedish population-based cohorts (research databases with sensitive person data) for world-leading research. Coordination of all Swedish prospective population-based cohorts in a common infrastructure will enable more precise research findings and facilitate research on rare diseases and exposures, leading to better utilization of study participants’ data, better return of funders’ investments, and higher benefit to patients and populations. Cohorts.se will support some aspects of single cohort operations and all aspects of collaborations between cohorts. Important components of the infrastructure involve data curation and management, cataloguing of variables, presentation of and access to data, harmonization of variables for research projects, linkage of cohorts and official registries, and statistical analysis including a novel method for distributed data analysis eliminating the need to share data. The project aims to increase collaboration between Swedish universities and with international cohort consortia, and to be a node for researchers who want to collaborate, perhaps extra important for young researchers without a large contact network. SND collaborates with Cohorts.se. Partly through training of data managers and statisticians in the Maelstrom system (maelstrom-research.org), which is tailored for cohort collaboration and will be used in this infrastructure; partly through collaboration around logistics by forwarding researchers seeking access to person data from cohorts to Cohorts.se and the Maelstrom repository.

Contact for Cohorts.se:
Johan Sundström, Professor at UCR-Uppsala Clinical Research center
johan.sundstrom@ucr.uu.se</serInfo>
        <serInfo xml:lang="sv">The Swedish Cohort Consortium (Cohorts.se) är ett projekt som syftar till att förbättra förvaltningen och öka utnyttjandet av svenska populationsbaserade kohorter (forskningsdatabaser med känsliga individdata) för världsledande forskning. Genom samutnyttjande av många kohorter kan vi skapa säkrare forskningsresultat till bättre nytta för patienter och allmänhet. Infrastrukturen kommer att omfatta kohorter med känsliga individdata och metadata, mjukvara, och servicetjänster. Infrastrukturen kommer att kurera data, katalogisera kohorter, förvalta kohorter, administrera datauttag och -insättningar och länkningar till andra register, harmonisera variabler vid sammanläggningsprojekt, genomföra statistisk analys, och genomföra utbildningsinsatser. Långsiktig professionell kohortförvaltning som inte är personberoende ger ökad säkerhet och kvalitet. Uniform katalogisering och dokumentation och uniforma uttagsprocesser ger ökad tillgänglighet. Infrastrukturen ger ökat utnyttjande av redan insamlade kohorter, och därmed ökat värde för skattebetalarnas grundinvesteringar i kohorterna. Infrastrukturen kan öka samarbeten mellan svenska lärosäten och med internationella kohortkonsortier, och den kan vara en nod för forskare som vill samarbeta, kanske extra viktigt för unga forskare utan stort kontaktnät. SND samarbetar med Cohorts.se. Dels genom utbildning av data managers och statistiker i den för ändamålet designade mjukvara som framförallt används i infrastrukturen, Maelstrom (maelstrom-research.org). Dels genom att forskare som vill ha tillgång till individdata från kohorter lotsas vidare från SND till Cohorts.se och Maelstrom-katalogen.

Kontaktperson Cohorts.se:
Johan Sundström, Professor vid Institutionen för medicinska vetenskaper, Uppsala universitet
johan.sundstrom@ucr.uu.se</serInfo>
      </serStmt>
      <verStmt>
        <version elementVersion="1" elementVersionDate="2015-04-29" />
      </verStmt>
    </citation>
    <stdyInfo>
      <subject>
        <keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D011795">Surveys and Questionnaires</keyword>
        <keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D011795">Kartläggning och enkäter</keyword>
        <keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D008327">Mammography</keyword>
        <keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D008327">Mammografi</keyword>
        <keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D010949">Plasma</keyword>
        <keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D010949">Plasma</keyword>
        <keyword xml:lang="en" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D004492">Edetic Acid</keyword>
        <keyword xml:lang="sv" vocab="MeSH" vocabURI="http://id.nlm.nih.gov/mesh/D004492">EDTA</keyword>
        <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>
      </subject>
      <abstract xml:lang="en" contentType="abstract">NSHDS-MSP is a cohort within Northern Sweden Health and Disease Study (NSHDS). Samples and data are collected in connection with mammography screenings from 1995-2006. The blood samples consist primarily of EDTA and heparin blood samples divided into plasma, erythrocyte concentrate and buffy coat and for a certain percentage, the DNA is also extracted. The cohort consists of women, 18-82 years old (95% between 48 and 70 years old). The same sampling procedures as in VIP, but another questionnaire is used with questions regarding pregnancies, hormon replacement therapy, menopaus etc.
The survey data can be linked to the blood samples.
Individuals: 28,800
Individuals with repeated samples: 14,600
Sampling occasions: 54,000

Purpose:
Prospectively collected cohort (women) for all disease areas.</abstract>
      <abstract xml:lang="sv" contentType="abstract">NSHDS-MSP ingår i Northern Sweden Health and Disease Study (NSHDS). Prover och data är insamlade i anslutning till mammografiscreening, 1995-2006. Blodprovsamlingen består främst av EDTA- och heparin-blod fördelat till plasma, erytrocyter och buffy coat och för en andel finns även DNA extraherat. Kohorten består av kvinnor, 18-82 år, varav 95% återfinns inom åldersintervallet 48-70 år.

Enkätdata finns att koppla till blodproverna.

Antal individer: 28 800
Antal individer med upprepade prover: 14 600
Antal provtillfällen: 54 000

Syfte:
Prospektivt insamlad kohort (kvinnor) för alla sjukdomsområden.</abstract>
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        <collDate xml:lang="en" date="1995" event="start">1995</collDate>
        <collDate xml:lang="en" date="2006" event="end">2006</collDate>
        <collDate xml:lang="en" date="1995" event="start">1995</collDate>
        <collDate xml:lang="en" date="2006" event="end">2006</collDate>
        <anlyUnit xml:lang="en" unit="Individual">Individual<concept vocab="DDI Analysis Unit" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/AnalysisUnit/2.1.3?languageVersion=en-2.1.3">Individual</concept></anlyUnit>
        <anlyUnit xml:lang="sv" unit="Individ">Individ<concept vocab="DDI Analysis Unit" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/AnalysisUnit/2.1.3?languageVersion=sv-2.1.3">Individ</concept></anlyUnit>
        <dataKind xml:lang="en">Numeric</dataKind>
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    <method>
      <dataColl>
        <timeMeth xml:lang="en">Longitudinal: Cohort/Event-based<concept vocab="DDI Time Method" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/TimeMethod/1.2.3?languageVersion=en-1.2.3">Longitudinal: Cohort/Event-based</concept></timeMeth>
        <timeMeth xml:lang="sv">Longitudinell: Kohort/Händelsebaserad<concept vocab="DDI Time Method" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/TimeMethod/1.2.3?languageVersion=sv-1.2.3">Longitudinell: Kohort/Händelsebaserad</concept></timeMeth>
        <sampProc xml:lang="en">Total universe/Complete enumeration<concept vocab="DDI Sampling Procedure" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/SamplingProcedure/2.0.1?languageVersion=en-2.0.1">Total universe/Complete enumeration</concept></sampProc>
        <sampProc xml:lang="sv">Hela populationen/total räkning<concept vocab="DDI Sampling Procedure" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/SamplingProcedure/2.0.1?languageVersion=sv-2.0.1">Hela populationen/total räkning</concept></sampProc>
        <collMode xml:lang="en">Self-administered questionnaire<concept vocab="DDI Mode of Collection" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/ModeOfCollection/5.0.0?languageVersion=en-5.0.0">Self-administered questionnaire</concept></collMode>
        <collMode xml:lang="sv">Självadministrerat frågeformulär<concept vocab="DDI Mode of Collection" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/ModeOfCollection/5.0.0?languageVersion=sv-5.0.0">Självadministrerat frågeformulär</concept></collMode>
        <collMode xml:lang="en">Physical measurements and tests<concept vocab="DDI Mode of Collection" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/ModeOfCollection/5.0.0?languageVersion=en-5.0.0">Physical measurements and tests</concept></collMode>
        <collMode xml:lang="sv">Fysiska mätningar och tester<concept vocab="DDI Mode of Collection" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/ModeOfCollection/5.0.0?languageVersion=sv-5.0.0">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>
        <conditions elementVersion="info:eu-repo-Access-Terms vocabulary">restrictedAccess</conditions>
      </useStmt>
    </dataAccs>
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