Simpson's paradox
Posted in Paradoxes

Simpson’s paradox: A trap in data interpretation

Simpson’s paradox may jeopardize your data interpretation.

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Paulo Freire
Posted in health education

Paulo Freire’s critical consciousness

Photo source:https://commons.wikimedia.org/wiki/File:Paulo_Freire_1977.jpg Paulo Freire, a Brazilian, who lived between 1927 – 1997, is still popular for his revolutionary ideas about adult education, particularly with “critical consciousness”. He was a “pedagogue”; the term, according to dictionaries, refers to someone who goes by-the-book. He became influential with his community work in educating…

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Posted in Infection control research

WHO’s Multi-modal Hand Hygiene Strategy

In 2009, the WHO published its hand hygiene promotion strategy. It was a multi-modal strategy and consisted of five modes. These were as follows; WHO’s multi-modal hand hygiene strategy System change, Training and education, Evaluation and feedback, Reminders in the workplace, and institutional safety climate. Moreover, the WHO published a…

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Posted in spin in science writing

Spin in science writing – 5: Psychiatry and psychology

Earlier we saw how distorted abstract reporting – a form of spin – occurs in health research. This post dives into a specific subject area: Psychiatry and Psychology. In 2019, Samuel Jellison and his team published an excellent paper on this exact topic in the British Medical Journal. They looked…

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Posted in Infection control research

Education alone does not improve hand hygiene

Does education alone improve handwashing compliance among healthcare workers in a hospital setting? According to the study that I discuss below, the short answer to the above question appears to be no. However, this study has adopted a before-after intervention design without a control group. The more accurate interpretation should…

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Posted in #covid-19 Infection control research

Alcohol sanitizers and hand hygiene compliance

Hand hygiene has become nowadays one of the most heard behavioral activities. It is one of the most effective actions we should do to prevent the spread of the COVID 19 virus. Therefore alcohol hand sanitizers are an essential commodity. The healthcare workers are not an exception. However, adherence to…

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physical distancing
Posted in Risk communication

Physical distancing is not social distancing

Image source:https://pbs.twimg.com/media/EWCfY8-UwAAdsv_?format=jpg&name=small What we need exactly is to stop spreading the COVID 19 virus; that is it. We do it by staying away from each other physically and adhering to washing hands each time when we touch anything or any surface outside the home and avoid touching face each time…

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Posted in Infection control research

Handwashing signage at point-of-use

Is reminder signage at point-of-use to promote handwashing for hospital healthcare workers effective? The conclusion is No. Setting acute care hospitals in the US Target audience all healthcare workers Number of units involved 58 in-patient units in 9 hospitals Method cluster-randomized clinical trial; units were randomly assigned to (1) no…

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Posted in message framing

Elaboration Likelihood Model -in-practice

I wrote a post earlier to introduce the Elaboration Likelihood Model (ELM). This post discusses how Brian Flynn et al. (2011) applied this model in the public health field. The researchers studied how US grade 7-8 students processed anti-smoking messages using this model. Studying how grade 7 – 8 students…

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Got milk?
Posted in message framing

“Got milk?” and “Got Polio?: Me Neither

When I saw this, it reminded me of another famous advert with a similar narrative. It was aimed at increasing milk consumption among US consumers in the past: “Got Milk?”. “Got Milk?” was one of the most famous US campaigns. Jeff Manning, the Executive Director for the California Milk Board…

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