Funding for this research was provided by:
Styrelsen för Internationellt Utvecklingssamarbete (5410004501)
Received: 14 September 2018
Accepted: 29 May 2019
First Online: 20 June 2019
Ethics approval and consent to participate
: Ethical approval was obtained from the ethical committee at the Medical School of San Simon University, Cochabamba. All participants in the survey signed an informed consent (based on the WHO STEPS survey consent form [CitationRef removed]) that provided bilingual (Castilian and Quechua) information about the project. In the case of illiterate participants, the informed consent was explained verbally, and after acceptance of participation, the fingerprint was stamped. Data collected was coded and exclusively managed by the research team. Participants with high blood pressure or any other disease were referred to the nearest health centre for investigation and treatment.
: The authors declare that they have no competing interests.