# Assessing food safety practices and foodborne illness risk factors in Brazilian households

**Authors:** Gustavo Guimarães Fernandes Viana, Andréia Gonçalves Arruda, Gabriel Augusto Marques Rossi, António Raposo, António Raposo, António Raposo

PMC · DOI: 10.1371/journal.pone.0325070 · PLOS One · 2025-06-18

## TL;DR

This study examines food safety practices in Brazilian households and finds significant gaps that contribute to foodborne illnesses.

## Contribution

The study identifies specific risky behaviors and proposes targeted educational campaigns to reduce household foodborne illness risks.

## Key findings

- Only 3.07% of participants use a thermometer to check meat doneness.
- 64.90% use the same cutting board for raw meat and vegetables.
- Cluster analysis showed lower adherence to food safety practices correlates with higher illness rates.

## Abstract

Foodborne illnesses represent a pressing public health issue, with Brazilian households accounting for over a third of reported outbreaks in the country. This study aimed to investigate food handling practices in Brazilian homes, evaluating their influence on the self-reported occurrence of foodborne illnesses. A total of 1,043 respondents participated in the study. Data was collected through an online questionnaire that captured their demographic data, feeding hygiene behaviors, food storage and preparation habits. Cluster analysis identified four groups based on adherence to food safety practices. Key findings revealed significant deficiencies: only 3.07% utilize thermometer to check meat doneness, which prevents the ingestion of viable pathogens, 64.90% of participants use the same cutting board for raw meat and vegetables and only 32.70% reported washing packages before storing them in the refrigerator. Risk factor analysis highlighted that older adults and males reported fewer foodborne illness, while cluster that adhered less to proper food manipulation exhibited higher illness rates. Our findings emphasize the urgent need for targeted educational campaigns to address critical gaps, such as discouraging meat washing and promoting safe storage practices. This study underscores the importance of innovative interventions to reduce household foodborne illnesses, contributing to improved public health outcomes.

## Full-text entities

- **Diseases:** Foodborne illnesses (MESH:D005517)
- **Species:** Homo sapiens (human, species) [taxon 9606]

## Full text

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## Figures

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## References

80 references — full list in the complete paper: https://tomesphere.com/paper/PMC12176236/full.md

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Source: https://tomesphere.com/paper/PMC12176236