How many days are needed to estimate wrist-worn accelerometry-assessed physical activity during the second trimester in pregnancy?

• Shana Ginar da Silva ,

  Contributed equally to this work with: Shana Ginar da Silva, Inácio Crochemore Mohsam da Silva, Bruna Gonçalves Cordeiro da Silva, Márcio de Almeida Mendes, Gloria Isabel Niño Cruz, Pedro Curi Hallal

  Roles Conceptualization, Formal analysis, Methodology, Writing – original draft

  * E-mail: sginar@gmail.com

  Affiliations PostGraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, RS, Brazil, Medical School, Federal University of Fronteira Sul–Passo Fundo, Passo Fundo, RS, Brazil

  http://orcid.org/0000-0003-1504-6936

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• Kelly R. Evenson ,

  Roles Supervision, Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina–Chapel Hill, Chapel Hill, North Carolina, United States of America

  ⨯
• Ulf Ekelund ,

  Roles Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Sports Medicine, Norwegian School of Sport Sciences, Oslo, Norway

  ⨯
• Inácio Crochemore Mohsam da Silva ,

  Contributed equally to this work with: Shana Ginar da Silva, Inácio Crochemore Mohsam da Silva, Bruna Gonçalves Cordeiro da Silva, Márcio de Almeida Mendes, Gloria Isabel Niño Cruz, Pedro Curi Hallal

  Roles Methodology, Writing – review & editing

  Affiliations PostGraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, RS, Brazil, PostGraduate Program in Physical Education, Federal University of Pelotas, Pelotas, RS, Brazil

  ⨯
• Marlos Rodrigues Domingues ,

  Roles Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation PostGraduate Program in Physical Education, Federal University of Pelotas, Pelotas, RS, Brazil

  ⨯
• Bruna Gonçalves Cordeiro da Silva ,

  Contributed equally to this work with: Shana Ginar da Silva, Inácio Crochemore Mohsam da Silva, Bruna Gonçalves Cordeiro da Silva, Márcio de Almeida Mendes, Gloria Isabel Niño Cruz, Pedro Curi Hallal

  Roles Writing – review & editing

  Affiliation PostGraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, RS, Brazil

  ⨯
• Márcio de Almeida Mendes ,

  Contributed equally to this work with: Shana Ginar da Silva, Inácio Crochemore Mohsam da Silva, Bruna Gonçalves Cordeiro da Silva, Márcio de Almeida Mendes, Gloria Isabel Niño Cruz, Pedro Curi Hallal

  Roles Writing – review & editing

  Affiliation PostGraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, RS, Brazil

  http://orcid.org/0000-0002-5590-5750

  ⨯
• Gloria Isabel Niño Cruz ,

  Contributed equally to this work with: Shana Ginar da Silva, Inácio Crochemore Mohsam da Silva, Bruna Gonçalves Cordeiro da Silva, Márcio de Almeida Mendes, Gloria Isabel Niño Cruz, Pedro Curi Hallal

  Roles Writing – review & editing

  Affiliation PostGraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, RS, Brazil

  http://orcid.org/0000-0002-4951-5991

  ⨯
• Pedro Curi Hallal

  Contributed equally to this work with: Shana Ginar da Silva, Inácio Crochemore Mohsam da Silva, Bruna Gonçalves Cordeiro da Silva, Márcio de Almeida Mendes, Gloria Isabel Niño Cruz, Pedro Curi Hallal

  Roles Funding acquisition, Methodology, Supervision, Writing – review & editing

  Affiliation PostGraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, RS, Brazil

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