Assessing the use and understanding of the Portuguese heat-health warning system (ÍCARO)

A. Leite, A. J. Santos, S. Silva, B. Nunes, R. Mexia, A. P. Rodrigues

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Abstract

BACKGROUND: Heatwaves can lead to increased mortality. In the Portuguese heat-health warning system (HHWS), ÍCARO, a daily report with heat-related mortality prediction is sent to heat-health action plan (HHAP) practitioners. HHAP practitioners assess risk and implement measures to prevent heatwave-related impact, but ÍCARO's use and understanding are unknown. We assessed ÍCARO's use and understanding by key HHAP practitioners. METHODS: We conducted semi-structured interviews with national/regional HHAP practitioners. Interviews were recorded, transcribed and analysed using thematic content analysis. To maximize credibility a validation process was implemented through researcher triangulation; a sample of 30 segments was recorded by independent researchers. RESULTS: We conducted six interviews with nine professionals (mean time 52 min) from five regions. We identified four categories: report's content and presentation, report's reception and communication, ÍCARO and risk assessment and other issues. Practitioners use ÍCARO and perceived it as relevant; they raised issues on its interpretation and felt these were not fully addressed, given researchers' use of statistical/epidemiological terms. We identified the need for improved communication and report's clarity. CONCLUSIONS: Our study stresses the need for collaboration between experts within HHWS/HHAP. Despite ÍCARO's understanding being challenging, practitioners consider it a relevant tool. Researchers should use less statistical language and clarify ÍCARO's interpretation. Practitioners' needs should be considered when developing/revising tools.

Original languageEnglish
Pages (from-to)395-402
Number of pages8
JournalJournal of public health (Oxford, England)
Volume42
Issue number2
DOIs
Publication statusPublished - 26 May 2020

Keywords

  • environment
  • health protection
  • public health

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