Observational studyBMC public health2021
The trajectory of COVID-19 pandemic and handwashing adherence: findings from 14 countries.
Observational study in BMC public health, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04367337 (Health Behavior Change During COVID-19 Pandemic), which is not on this map. Cited by 24 papers, 2 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Health Behavior Change During COVID-19 Pandemic: the Focus on Handwashing
Who cites it
24 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- Behavioural factors influencing hand hygiene practices across domestic, institutional and public community settings: a systematic review and qualitative meta-synthesis.BMJ global health · 2025Pooled it
- Knowledge and Practice of Personal Protective Measures Against COVID-19 in Africa: Systematic Review.JMIR public health and surveillance · 2023Pooled it
- Promoting Hand Hygiene During the COVID-19 Pandemic: Randomized Controlled Trial of the Optimized Soapp+ App.JMIR mHealth and uHealth · 2025Trial
- Promoting Hand Hygiene During the COVID-19 Pandemic: Parallel Randomized Trial for the Optimization of the Soapp App.JMIR mHealth and uHealth · 2023Trial
- Relationship Between Oral and Hand Hygiene Behaviours Among Brazilian Adolescents: Analysis of the National Adolescent School-Based Health Survey (PeNSE 2019).International journal of dental hygiene · 2026Article
- Analysis of multidrug-resistant Gram-negative pathogens (MRGN) in different areas of the healthcare system and their significance in the outpatient sector.GMS infectious diseases · 2026Article
- Article
- Effectiveness of Personal Protective Equipment against Coronavirus Disease 2019 Transmission: A Case-Control Study.The American journal of tropical medicine and hygiene · 2025Article
- Changes in handwashing knowledge, attitudes, and practices among primary schoolchildren in Ulaanbaatar, Mongolia during the COVID-19 pandemic.Frontiers in public health · 2025Article
- The present value of human life losses associated with COVID-19 and likely productivity losses averted through COVID-19 vaccination in Madagascar.BMC public health · 2024Article
- Retention of nickel, cobalt and chromium in skin at conditions mimicking intense hand hygiene practices using water, soap, and hand-disinfectant in vitro.Journal of occupational medicine and toxicology (London, England) · 2024Article
- Implications of the COVID-19 trajectory for the evaluation of hand hygiene interventions: Secondary analysis of the Soapp trial.Translational behavioral medicine · 2024Article
- Perceived Effectiveness of COVID-19 Preventive Practices and Behavioral Intention: Survey of a Representative Adult Sample in the United States.JMIR human factors · 2023Article
- When do people increase COVID-19 protective behaviors? A longitudinal analysis of the impact of infections among close contacts and in the community.Preventive medicine reports · 2023Article
- Predictors of changing patterns of adherence to containment measures during the early stage of COVID-19 pandemic: an international longitudinal study.Globalization and health · 2023Article
- Protective behaviors during COVID-19 confinement measures in Greece: the role of anxiety, perceived risk and risky-choice framing.AIMS public health · 2023Article
- Handwashing adherence during the COVID-19 pandemic: A longitudinal study based on protection motivation theory.Social science & medicine (1982) · 2023Observational
- Facilitating hand hygiene in displacement camps during the COVID-19 pandemic: a qualitative assessment of a novel handwashing stand and hygiene promotion package.Conflict and health · 2022Article
- Political ideology predicts preventative behaviors and infections amid COVID-19 in democracies.Social science & medicine (1982) · 2022Article
- Socioeconomic-Related Inequalities in COVID-19 Vulnerability in South Africa.International journal of environmental research and public health · 2022Article
Corrections and comments
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Authors and funding
30 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe COVID-19 pandemic has affected people's engagement in health behaviors, especially those that protect individuals from SARS-CoV-2 transmission, such as handwashing/sanitizing. This study investigated whether adherence to the World Health Organization's (WHO) handwashing guidelines (the outcome variable) was associated with the trajectory of the COVID-19 pandemic, as measured by the following 6 indicators: (i) the number of new cases of COVID-19 morbidity/mortality (a country-level mean calculated for the 14 days prior to data collection), (ii) total cases of COVID-19 morbidity/mortality accumulated since the onset of the pandemic, and (iii) changes in recent cases of COVID-19 morbidity/mortality (a difference between country-level COVID-19 morbidity/mortality in the previous 14 days compared to cases recorded 14-28 days earlier).
methodsThe observational study (#NCT04367337) enrolled 6064 adults residing in Australia, Canada, China, France, Gambia, Germany, Israel, Italy, Malaysia, Poland, Portugal, Romania, Singapore, and Switzerland. Data on handwashing adherence across 8 situations (indicated in the WHO guidelines) were collected via an online survey (March-July 2020). Individual-level handwashing data were matched with the date- and country-specific values of the 6 indices of the trajectory of COVID-19 pandemic, obtained from the WHO daily reports.
resultsMultilevel regression models indicated a negative association between both accumulation of the total cases of COVID-19 morbidity (B = -.041, SE = .013, p = .013) and mortality (B = -.036, SE = .014 p = .002) and handwashing. Higher levels of total COVID-related morbidity and mortality were related to lower handwashing adherence. However, increases in recent cases of COVID-19 morbidity (B = .014, SE = .007, p = .035) and mortality (B = .022, SE = .009, p = .015) were associated with higher levels of handwashing adherence. Analyses controlled for participants' COVID-19-related situation (their exposure to information about handwashing, being a healthcare professional), sociodemographic characteristics (gender, age, marital status), and country-level variables (strictness of containment and health policies, human development index). The models explained 14-20% of the variance in handwashing adherence.
conclusionsTo better explain levels of protective behaviors such as handwashing, future research should account for indicators of the trajectory of the COVID-19 pandemic.
trial registrationClinical Trials.Gov, # NCT04367337.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.