Supplemental material
Chronobiology International
The Journal of Biological and Medical Rhythm Research
Volume 38, 2021 - Issue 2
Report
What are we measuring with the morningness–eveningness questionnaire? Exploratory factor analysis across four samples from two countries
Sareh Panjeha Departamento de Psiquiatria, Universidade Federal de São Paulo, São Paulo, Brazil
https://orcid.org/0000-0001-8335-1524View further author information
https://orcid.org/0000-0001-8335-1524View further author information, Sabine Pompeiab Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, Brazilhttps://orcid.org/0000-0002-5208-8003View further author information
https://orcid.org/0000-0002-5208-8003View further author information, Simon N. Archerc Faculty of Health and Medical Sciences, University of Surrey, Guildford, UKhttps://orcid.org/0000-0002-9273-4647View further author information
https://orcid.org/0000-0002-9273-4647View further author information, Mario Pedrazzolid Escola de Arte, Ciências E Humanidades, Universidade de São Paulo, São Paulo, Brazilhttps://orcid.org/0000-0002-5257-591XView further author information
https://orcid.org/0000-0002-5257-591XView further author information, Malcolm von Schantzc Faculty of Health and Medical Sciences, University of Surrey, Guildford, UKCorrespondence[email protected]
https://orcid.org/0000-0002-9911-9436View further author information
https://orcid.org/0000-0002-9911-9436View further author information & Hugo Cogo-Moreiraa Departamento de Psiquiatria, Universidade Federal de São Paulo, São Paulo, Brazilhttps://orcid.org/0000-0001-9411-9237View further author information
https://orcid.org/0000-0001-9411-9237View further author information