Inequality of opportunity in selection procedures limits diversity in higher education: An intersectional study of Dutch selective higher education programs

S3 Table. Demographic data of all applicants who received a ranking number; all appli- cants who were offered a seat in the program; and all those who became registered stu- dents, for each cluster. (XLSX) S4 Table. Results of multivariable logistic regression for the final model for each group, performed on applicants eligible for placement. *p < .05; **p<0.01; ***p<0.001. Ref. = ref- erence category; PSVA = Primary, Secondary or Vocational or Agrarian; TMSDI: Turkish, Moroccan, Surinamese, Dutch Caribbean, or Indonesian; Urbanity Degree of postal code of residential address in 2015. Results in bold are statistically significant (p < .05). (DOCX) S1 File. Intersectional acceptance rates based on background characteristics. (DOCX) S2 File. Research protocol, including all procedures, sources of variables, and software syn- tax for statistical analysis. (XLSX) Acknowledgments The authors wish to thank all involved people working at Statistics Netherlands, Studielink, the Universities of The Netherlands (UNL) and Vereniging Hogescholen for their cooperation in making this research project possible, and for permitting access to the required datasets. The authors also wish to thank their colleagues at Amsterdam UMC, location VUmc for their valuable feedback on our manuscript. We also thank Ine Vos for her valuable insights on selec- tion procedures and eligibility requirements. Author Contributions Conceptualization: Lianne Mulder. Data curation: Lianne Mulder. Formal analysis: Lianne Mulder. Funding acquisition: Lianne Mulder, Gerda Croiset, Rashmi A. Kusurkar, Anouk Wouters.

Investigation: Lianne Mulder. Methodology: Lianne Mulder, Eddymurphy U. Akwiwu, Jos W. R. Twisk, Andries S. Koster, Anouk Wouters. Project administration: Lianne Mulder, Anouk Wouters. Supervision: Eddymurphy U. Akwiwu, Jos W. R. Twisk, Andries S. Koster, Jan Hindrik Ravesloot, Gerda Croiset, Rashmi A. Kusurkar, Anouk Wouters. Visualization: Lianne Mulder, Anouk Wouters. Writing – original draft: Lianne Mulder. Writing – review & editing: Lianne Mulder, Eddymurphy U. Akwiwu, Jos W. R. Twisk, Andries S. Koster, Jan Hindrik Ravesloot, Gerda Croiset, Rashmi A. Kusurkar, Anouk Wouters. PLOS ONE Inequality of opportunity in Dutch selection procedures limits diversity in higher education PLOS ONE | https://doi.org/10.1371/journal.pone.0292805 October 13, 2023 21 / 24