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@ARTICLE{Jaehn:301588,
      author       = {P. Jaehn and S. Rach and G. Bolte and R. Mikolajczyk and S.
                      Merz and P. S. Herrera-Espejel and T. Brand and A. Führer
                      and K. Berger and H. Teismann and B. Bohn and L.
                      Koch-Gallenkamp$^*$ and H. Brenner$^*$ and C. J.
                      Klett-Tammen and S. Castell and N. Ebert and C. Emmel and B.
                      Schmidt and S. Gastell and M. B. Schulze and N. Obi and V.
                      Harth and B. Holleczek and S. Jaskulski and V. Katzke$^*$
                      and R. Kaaks$^*$ and S. N. Willich and T. Keil and A. Weber
                      and M. Leitzmann and K. Wirkner and C. Meinke-Franze and S.
                      Schipf and T. Schikowski and A. Schneider and S. C.
                      Slesinski and I. Moreno-Velásquez and T. Pischon and C.
                      Holmberg},
      title        = {{W}hat can we learn from an intersectionality-informed
                      description of study participants? {R}esults from the
                      {G}erman {N}ational {C}ohort.},
      journal      = {International journal for equity in health},
      volume       = {24},
      number       = {1},
      issn         = {1475-9276},
      address      = {London},
      publisher    = {BioMed Central},
      reportid     = {DKFZ-2025-01096},
      pages        = {151},
      year         = {2025},
      abstract     = {Intersectionality has contributed to novel insights in
                      epidemiology. However, participants of epidemiological
                      studies have rarely been characterised from an
                      intersectional perspective. We aimed to show the gained
                      insights of an intersectionality-informed approach to
                      describing a study population by comparing it to a
                      conventional approach.We used data of the German National
                      Cohort (NAKO), which recruited 205,415 participants between
                      2014 and 2019. In the conventional approach, marginal
                      proportions of educational level, cohabitation status, and
                      country of birth were compared between the study populations
                      of the NAKO and the German census survey (MZ) of 2014. In
                      the intersectionality-informed approach, so-called
                      intersectional population strata were constructed by
                      cross-classifying educational level, cohabitation status,
                      and country of birth. Proportions of these strata were also
                      compared between NAKO and MZ. All analyses were stratified
                      by sex and age group.The conventional approach showed that
                      the proportion of people with low education was lower in the
                      NAKO compared to the MZ in all sex and age strata.
                      Similarly, proportions of all intersectional population
                      strata with low education were lower in the NAKO. Concerning
                      cohabitation, the conventional approach showed that the
                      proportion of those living without a partner was lower in
                      the NAKO than in the MZ for women under 60 and men. The
                      intersectionality-informed approach revealed that the
                      proportions of some subgroups of those living without a
                      partner were higher in the NAKO than in the MZ. These were
                      intersectional population strata who lived without a
                      partner, had a high level of education and were born in
                      Germany. The intersectionality-informed approach revealed
                      similar within-group heterogeneity for country of birth,
                      showing that not all proportions of foreign-born people were
                      lower in the NAKO compared to the MZ. Proportions of
                      foreign-born with high education who lived with a partner
                      were higher.Our results showed that heterogeneity within
                      social categories can be revealed by applying the concept of
                      intersectionality when comparing study participants with an
                      external population. This way, an intersectionality-informed
                      approach contributes to describing social complexity among
                      study participants more precisely. Furthermore, results can
                      be used to reduce participation barriers in a more targeted
                      way.},
      keywords     = {Cohort study (Other) / Intersectionality (Other) / Social
                      inequality (Other) / Study participants (Other)},
      cin          = {C070 / HD01 / C020},
      ddc          = {610},
      cid          = {I:(DE-He78)C070-20160331 / I:(DE-He78)HD01-20160331 /
                      I:(DE-He78)C020-20160331},
      pnm          = {313 - Krebsrisikofaktoren und Prävention (POF4-313)},
      pid          = {G:(DE-HGF)POF4-313},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:40420085},
      doi          = {10.1186/s12939-025-02521-3},
      url          = {https://inrepo02.dkfz.de/record/301588},
}