Simões, Daniela https://orcid.org/0000-0003-2034-5105
Araújo, Fábio Azevedo https://orcid.org/0000-0003-4246-4367
Monjardino, Teresa https://orcid.org/0000-0003-4944-3366
Severo, Milton https://orcid.org/0000-0002-5787-4871
Cruz, Ivo https://orcid.org/0000-0002-4300-2458
Carmona, Loreto https://orcid.org/0000-0002-4401-2551
Lucas, Raquel https://orcid.org/0000-0002-4408-8134
Article History
Received: 18 December 2017
Accepted: 29 January 2018
First Online: 8 February 2018
Compliance with ethical standards
:
: All authors have declared that no conflict of interest exists.
: The Portuguese National Health Survey is currently conducted in accordance with the European and national legal framework that stems from the Regulation (EC) No 1338/2008 of the European Parliament and of the Council of 16 December 2008 on Community statistics on public health and health and safety at work, through the national “Lei 22/2008 de 13 de maio”. Ethical standards in data collection and individual data protection are safeguarded by national and international legislation and are the responsibility of the entities that conduct the survey. The authors of the present paper were granted access to the anonymized data and take responsibility for the present study.