IJ

International Journal of Epidemiology

International Journal of Epidemiology is a journal in public health and epidemiology published for the International Epidemiological Association. It highlights strong citation metrics, offers author guidelines and online submission, and publishes epidemiological research with related features such as cohort profiles and education content.

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Subject Public, Environmental & Occupational Health
Impact Factor 5.9
Quartile Q1
Open Access Type Hybrid
ISSN 0300-5771
eISSN 1464-3685
Invitation Only No
Cost Range Fully open access journals usually charge an APC; hybrid journals usually charge an APC for optional gold open access; 11 diamond OA journals allow authors to publish for free.

Submission Instructions

International Journal of Epidemiology accepts the following article types. Click on an article type to view submission instructions.

Original Articles

Cover Letter Details of permissions obtained for any previously published material must be included in the cover letter.
Abstract Abstract is required for Original Articles. Abstract must not exceed 250 words. Abstract must be structured in four sections. Abstract headings must be Background, Methods, Results, and Conclusions, with Methods including the study period and sample size and Results including the main results with estimates and confidence intervals.
Manuscript Main text must not exceed 3000 words, excluding the abstract, key messages, declarations, references, tables, figures, and supplementary material. Manuscript must include a short and specific title, 3 to 10 keywords at the end of the abstract, and a Key Messages section placed after the keywords and before the introduction. Manuscript must include a Key Messages section of 3 succinct bullet points each written as a single complete sentence, a conflict of interest statement, and an end-of-text declaration stating any use of AI tools and how they were used.
References References must not exceed 50. References must be formatted according to IJE style. References must be listed in numerical order, and when a reference has 4 or more authors only the first three should be listed followed by et al.
Figures & Tables A total of up to 8 tables and figures may be included. Tables and figures may be included in the main document at submission or uploaded separately, although tables should be presented in separate file(s) from the main text and each figure should be submitted separately from the text. Tables must be numbered consecutively in Arabic numerals and be editable, and table and figure titles should be in sentence case.
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Cohort Profiles

Cover Letter Details of permissions obtained for any previously published material must be included in the cover letter.
Abstract Abstract is not required for Cohort Profiles.
Manuscript Main text must not exceed 2500 words, excluding key features, declarations, references, tables, figures, supplementary material, and the abstract. Title must be 'Cohort Profile: [the name of your cohort]', the article must use the journal’s required sub-headings, and the Key Features section must appear at the beginning of the article. Manuscript must include Key Features of up to 5 bullet points and 200 words total, an AI tools declaration with some detail that must not say 'None', and a section titled 'Can I get hold of the data?' identifying the contact author and providing contact details.
References Cohort Profiles should include around 30 references. References must follow IJE style. References must be listed in numerical order, and when a reference has 4 or more authors, the first 3 authors should be listed followed by et al.
Figures & Tables Cohort Profiles may include no more than 5 tables and figures in total. Tables and figures may be included in the main document at submission or uploaded separately, although tables should be presented in separate editable files and figures should be submitted separately from the text. Table and figure headings should be in sentence case.
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Cohort Profile Updates

Cover Letter Cover Letter requirements are not specified.
Abstract Abstract is not required for Cohort Profile Updates.
Manuscript Main text must not exceed 2500 words, excluding key features, declarations, references, tables, figures, supplementary material, and the abstract. Title must be 'Cohort Profile Update: [the name of your cohort]', the article must use the journal’s required sub-headings, and the Key Features section must appear at the beginning of the article. Key Features of up to 5 bullet points and 200 words in total are required, a researcher’s name and contact details for enquiries must be provided, and a detailed 'Use of artificial intelligence (AI) tools' declaration that does not state 'None' must be included.
References References should be around 30 in total. References must follow IJE style. References must be listed in numerical order, and when a reference has 4 or more authors, the first 3 should be listed followed by et al.
Figures & Tables A maximum of 5 tables and figures in total is permitted. Tables and figures may be included in the main document at submission or uploaded separately.
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Data Resource Profiles

Cover Letter Details of permissions obtained for any previously published material must be included in the cover letter.
Abstract Abstract is not required.
Manuscript Main text must not exceed 2500 words excluding key features, declarations, references, tables, figures, supplementary material, and the abstract. Title must begin with 'Data Resource Profile:' and the manuscript must use the journal’s required sub-headings. Manuscript must include Key Features of up to 5 bullet points and 200 words total, and it must include a detailed 'Use of artificial intelligence (AI) tools' declaration that must not state 'None'.
References Reference list should contain around 30 references. References must be formatted in IJE style. References must be listed in numerical order, and when there are 4 or more authors only the first three should be listed followed by et al.
Figures & Tables No more than 5 tables and figures in total may be included. Tables and figures may be included in the main document at submission or uploaded separately. Tables and figure titles should use sentence case.
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Letters To The Editor

Cover Letter Author contributions and Conflict of interest statements are required for Letters To The Editor.
Abstract Abstract requirements are not specified.
Manuscript Letters To The Editor may be up to 700 words, or up to 500 words for a letter in response. Letters To The Editor should use a brief, descriptive title, and if referring to an article published in the journal the title should include some part of that article’s title. Author contributions and Conflict of interest statements are required for Letters To The Editor.
References Letters To The Editor may include up to 10 references. References should be formatted according to IJE style. References must be listed in numerical order, and when there are 4 or more authors the first three author names should be followed by et al.
Figures & Tables Letters To The Editor may include up to 2 tables and figures in total. The main document may contain all tables and figures at submission, or tables and figures may be uploaded separately. Any table or figure should illustrate the main findings only, and tables should be concise.
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Recent Publications

Data Resource Profile Update: The Dutch National Intensive Care Evaluation (NICE) registry

Ferishta Bakhshi-Raiez, Marie-José Roos-Blom, Dave A Dongelmans, Mark van den Boogaard, Bas C T van Bussel, Dylan W de Lange, Rob J Bosman, Roy van den Berg, Sesmu M Arbous, Jubi E de Haan, Jan Jaap Spijkstra, Dineke Benjamins, Lennart Krijgsman, Maxim H de Rooij, Michiel L Erkamp, Mart J de Graaff, Ruud A L de Waal, Nicolette F de Keizer, Sylvia Brinkman

10.1093/ije/dyag088
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A critique of the cited evidence linking the relationship between vaccines and autism on the United States CDC webpage

Gabriel Chun Yin Sung, Shiu Lun Au Yeung

10.1093/ije/dyag090
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A cohort study of forced vital capacity, airway obstruction, and survival in the multinational Burden of Obstructive Lung Disease study

Peter G J Burney, Emmanouil Bagkeris, James Potts, Rune Nielsen, Graham Devereux, Karima El Rhazi, Althea Aquart-Stewart, Asaad A Nafees, Parvaiz Koul, Padukudru Anand Mahesh, Dhiraj Agarwal, Sanjay Juvekar, Thorarinn Gislason, Meriam Denguezli, Imed Harrabi, Stefanni Nonna M Paraguas, Rain Jogi, Gregory Erhabor, A Sonia Buist, Christer Janson, Andre F S Amaral, Hasan Hafizi, Anila Aliko, Donika Bardhi, Holta Tafa, Natasha Thanasi, Arian Mezini, Alma Teferici, Dafina Todri, Jolanda Nikolla, Rezarta Kazasi, Hamid Hacene Cherkaski, Amira Bengrait, Tabarek Haddad, Ibtissem Zgaoula, Maamar Ghit, Abdelhamid Roubhia, Soumaya Boudra, Feryal Atoui, Randa Yakoubi, Rachid Benali, Abdelghani Bencheikh, Nadia Ait-Khaled, Christine Jenkins, Guy Marks, Tessa Bird, Paola Espinel, Kate Hardaker, Brett Toelle, Michael Studnicka, Torkil Dawes, Bernd Lamprecht, Lea Schirhofer, Herve Lawin, Arsene Kpangon, Karl Kpossou, Gildas Agodokpessi, Paul Ayelo, Benjamin Fayomi, Rolus Atrokpo, Gaston Hounton, Dieudonnè Yadjodo, Bertrand Mbatchou, Atongno Humphrey Ashu, Wan C Tan, Wen Wang, NanShan Zhong, Shengming Liu, Jiachun Lu, Pixin Ran, Dali Wang, Jin-ping Zheng, Yumin Zhou, Rain Jõgi, Hendrik Laja, Katrin Ulst, Vappu Zobel, Toomas-Julius Lill, Katrin Kiili, Ira Laanelepp, Tobias Welte, Isabelle Bodemann, Henning Geldmacher, Alexandra Schweda-Linow, Thorarinn Gislason, Bryndis Benedikdtsdottir, Kristin Jörundsdottir, Lovisa Gudmundsdottir, Sigrun Gudmundsdottir, Gunnar Gudmundsson, Elin Helga Thorarinsdottir, Hjördis Sigrun Pálsdottir, Padukudru Mahesh Anand, Parvaiz A Koul, Sajjad Malik, Nissar A Hakim, Umar Hafiz Khan, Rohini Chowgule, Vasant Shetye, Jonelle Raphael, Rosel Almeda, Tawde Mahesh, Rafiq Tadvi, Sunil Katkar, Milind Kadam, Rupesh Dhanawade, Umesh Ghurup, Sanjay Juvekar, Siddhi Hirve, Somnath Sambhudas, Bharat Chaidhary, Meera Tambe, Savita Pingale, Arati Umap, Archana Umap, Nitin Shelar, Sampada Devchakke, Sharda Chaudhary, Suvarna Bondre, Savita Walke, Ashleshsa Gawhane, Anil Sapkal, Rupali Argade, Vijay Gaikwad, Dhiraj Agrawal, Babu Pawar, Shalan Mhetre, Namdev Kale, Shirish Kathale, Sundeep Salvi, Bill Brashier, Jyoti Londhe, Sapna Madas, Althea Aquart-Stewart, Akosua Francia Aikman, Talant M Sooronbaev, Bermet M Estebesova, Meerim Akmatalieva, Saadat Usenbaeva, Jypara Kydyrova, Eliza Bostonova, Ulan Sheraliev, Nuridin Marajapov, Nurgul Toktogulova, Berik Emilov, Toktogul Azilova, Gulnara Beishekeeva, Nasyikat Dononbaeva, Aijamal Tabyshova, Kevin Mortimer, Wezzie Nyapigoti, Ernest Mwangoka, Mayamiko Kambwili, Martha Chipeta, Gloria Banda, Suzgo Mkandawire, Justice Banda, Graham Devereux, Jamie Rylance, Martin Njoroge, Catherine Chirwa, Chifundo Mhango, Edgar Ngwira, Faith Zumazuma, Frank Jonas, Patrick Mjojo, Li-Cher Loh, Abdul Rashid, Siti Sholehah, Mohamed C Benjelloun, Chakib Nejjari, Mohamed Elbiaze, Karima El Rhazi, Manelle Rjimati, Btissame ElHarche, Reda Benjelloun, Yassin Chefchaou, E F M Wouters, G J Wesseling, Daniel Obaseki, Gregory Erhabor, Olayemi Awopeju, Olufemi Adewole, Amund Gulsvik, Tina Endresen, Lene Svendsen, Rune Nielsen, Marit Aardal, Hildegunn B Fleten, Gerd Eli Dale, Eli Nordeide, Malin P Grøttveit, Åsa Skjelde, Ane Aamli Gagnat, Anders Ørskov Rotevatn, Marta Erdal, Asaad A Nafees, Muhammad Irfan, Hasan Nawaz Tahir, Muhammad Noman, Roman Ul Haq, Luisito F Idolor, Teresita S de Guia, Norberto A Francisco, Camilo C Roa, Fernando G Ayuyao, Cecil Z Tady, Daniel T Tan, Sylvia Banal-Yang, Vincent M Balanag, Maria Teresita N Reyes, Renato B Dantes, Stefanni Nonna M Paraguas, Renato B Dantes, Lourdes Amarillo, Lakan U Berratio, Lenora C Fernandez, Norberto A Francisco, Gerard S Garcia, Teresita S de Guia, Luisito F Idolor, Sullian S Naval, Thessa Reyes, Camilo C Roa, Ma Flordeliza Sanchez, Leander P Simpao, Ewa Nizankowska-Mogilnicka, Jakub Frey, Rafal Harat, Filip Mejza, Pawel Nastalek, Andrzej Pajak, Wojciech Skucha, Andrzej Szczeklik, Magda Twardowska, Cristina Bárbara, Fátima Rodrigues, Hermínia Dias, João Cardoso, João Almeida, Maria João Matos, Paula Simão, Moutinho Santos, Reis Ferreira, M Al Ghobain, H Alorainy, E El-Hamad, M Al Hajjaj, A Hashi, R Dela, R Fanuncio, E Doloriel, I Marciano, L Safia, Eric Bateman, Anamika Jithoo, Desiree Adams, Edward Barnes, Jasper Freeman, Anton Hayes, Sipho Hlengwa, Christine Johannisen, Mariana Koopman, Innocentia Louw, Ina Ludick, Alta Olckers, Johanna Ryck, Janita Storbeck, Richard van Zyl-Smit, Kirthi Gunasekera, Rajitha Wickremasinghe, Asma Elsony, Hana A Elsadig, Nada Bakery Osman, Bandar Salah Noory, Monjda Awad Mohamed, Hasab Alrasoul Akasha Ahmed Osman, Namarig Moham ed Elhassan, Abdel Mu‘is El Zain, Marwa Mohamed Mohamaden, Suhaiba Khalifa, Mahmoud Elhadi, Mohand Hassan, Dalia Abdelmonam, Rana Ahmed, Rashid Osman, Hind Eltigani, Najlaa Mohamed Abass, Ahmed Beriar Ahmed, Sahar AlaElddin, Christer Janson, Inga Sif Olafsdottir, Katarina Nisser, Ulrike Spetz-Nyström, Gunilla Hägg, Gun-Marie Lund, Andrei Malinovschi, Eva Wallberg, Birgitta Appelfeldt, Mona Andrén, Terence Seemungal, Fallon Lutchmansingh, Liane Conyette, Imed Harrabi, Myriam Denguezli, Zouhair Tabka, Hager Daldoul, Zaki Boukheroufa, Firas Chouikha, Wahbi Belhaj Khalifa, Safa Hsan, Nadia Lakhdar, Mounir Landolsi, Ali Kocabaş, Attila Hancioglu, Ismail Hanta, Sedat Kuleci, Ahmet Sinan Turkyilmaz, Sema Umut, Turgay Unalan, Peter G J Burney, Anamika Jithoo, Louisa Gnatiuc, Hadia Azar, Jaymini Patel, Caron Amor, James Potts, Michael Tumilty, Fiona McLean, Risha Dudhaiya, Andre F S Amaral, Octavia Mulhern, Emmanouil Bagkeris, Jasleen Gegic, Paul Cullinan, Cosetta Minelli, A Sonia Buist, Mary Ann McBurnie, William M Vollmer, Suzanne Gillespie, Sean Sullivan, Todd A Lee, Kevin B Weiss, Robert L Jensen, Robert Crapo, Paul Enright, David M Mannino, John Cain, Rebecca Copeland, Dana Hazen, Jennifer Methvin, Vanessa Garcia Larsen

10.1093/ije/dyag093
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On contributions made by methodological research to applied epidemiology

Bronner P Gonçalves

10.1093/ije/dyag086
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Estimates of vaccine effectiveness against measles and mumps: 14 years follow-up of a large cohort in Wales, UK

Malorie Perry, Michael B Gravenor, Simon Cottrell, Catherine Moore, Lucy J Griffiths

10.1093/ije/dyag083
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Frequently asked questions

How long does it take to publish?

Proof corrections should be returned within 3 days to guarantee inclusion.

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Is a cover letter required?

A cover letter is required for some submissions. Permissions for previously published material should be detailed in the cover letter, and authors should explain in the covering letter when article aspects exceed guideline limits.

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What are the publication costs?

Fully open access journals usually charge an APC; hybrid journals usually charge an APC for optional gold open access; 11 diamond OA journals allow authors to publish for free.

Reformat to International Journal of Epidemiology using Livewrite Premium

Research Topics

Health disparities and outcomes Birth, Development, and Health Historical and modern epidemiology studies Nutritional Studies and Diet Obesity, Physical Activity, Diet Child Nutrition and Water Access Global Maternal and Child Health Advanced Causal Inference Techniques Global Public Health Policies and Epidemiology Health, Environment, Cognitive Aging Genetic Associations and Epidemiology Global Health Care Issues Food Security and Health in Diverse Populations Global Cancer Incidence and Screening Cancer Risks and Factors HIV/AIDS Impact and Responses Diabetes, Cardiovascular Risks, and Lipoproteins Air Quality and Health Impacts Employment and Welfare Studies Diverse Scientific and Economic Studies Smoking Behavior and Cessation Climate Change and Health Impacts HIV/AIDS Research and Interventions Health Systems, Economic Evaluations, Quality of Life Gestational Diabetes Research and Management

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