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Acceptability of Covid-19 self-testing among Primary Health Care users
Fabiane Soares1, Laio Magno1,2,3, Thaís Regis Aranha Rossi1,2
1Universidade Federal da Bahia. Instituto de Saúde Coletiva. Salvador, BA, Brasil.
Revista De Saude Publica
|May 6, 2026
Summary
Acceptability of Covid-19 self-testing is moderate among vulnerable populations in Brazil, with higher rates among non-Black individuals, cisgender men, and those with more education. Expanding access and knowledge is key for mass case detection.
Area of Science:
- Public Health
- Epidemiology
- Health Services Research
Background:
- Socioeconomically vulnerable populations face challenges accessing healthcare, including COVID-19 testing.
- Self-testing offers a potential solution to improve testing accessibility and coverage.
Purpose of the Study:
- To determine the acceptability of COVID-19 self-testing among socioeconomically vulnerable populations in Brazil.
- To identify demographic and knowledge-related factors associated with COVID-19 self-test acceptance.
Main Methods:
- A cross-sectional study was conducted using data from the "TQT Covid-19" project in Brazil.
- Logistic regression models analyzed factors associated with COVID-19 self-test acceptability in 7,939 participants.
- Data were collected from primary healthcare units in vulnerable areas between July 2022 and July 2023.
Main Results:
- Overall willingness to use a COVID-19 self-test was 45.8%.
- Higher acceptability was associated with being non-Black, cisgender male, and having a higher education level.
- Prior knowledge of self-testing and previous COVID-19 diagnosis also increased acceptance.
Conclusions:
- COVID-19 self-testing is acceptable among vulnerable populations and can complement public health testing strategies.
- Expanding access and knowledge of self-testing is crucial for mass case detection and community involvement in surveillance.
- Self-testing can be an important tool for SARS-CoV-2 epidemiological surveillance, especially during periods of high incidence.
