What makes a patient remember a risk after the leaflet is closed and the consultation is over? We set out to answer that question for a Pharma team, testing how risk information was framed and who delivered it. Our method combined 24 patient tests with a survey of 1,200 respondents. The headline finding was that a short personal framing doubled what patients recalled, and risk recall rose from 39 percent to 67 percent once plain language risk boxes were paired with pharmacist voices.
I Discrimen
A risk that is not remembered was never really communicated
Disclosure is an act of publishing. Comprehension is an act of reading. Only one of them protects a patient.
Our patient tests started from an uncomfortable distinction. The risk information in the materials we examined was present, accurate, and formally complete. It was also, for many readers, functionally absent, because they could not recall it shortly after reading.
Recall is the measure that matters in the real world, where nobody rereads a leaflet before taking a tablet. If you cannot say the risk back, you cannot weigh it, ask about it, or act on it. The rest of this report is about what changed that.
A warning nobody remembers is a liability dressed as a safeguard.
II Machina
Twenty four patient tests found the friction, and 1,200 respondents tested the fix
Tests show you the moment a reader gives up. Surveys show you whether the repair holds at scale.
We paired two instruments because risk communication fails in private. The 24 patient tests let us watch readers work through risk material in real time, noting where they slowed down, where they skipped, and what they could repeat back afterwards. The survey of 1,200 respondents then tested the framing and messenger variations on a population large enough to compare.
That two stage design has cousins in any evidence led programme, and the measurement habits behind choosing a PR agency for data analytics apply with unusual force here. In regulated communication, an untested sentence is a hypothesis about a stranger's understanding, and the stranger gets the final vote.
Observe the reading first, then count what the reading produced.
III Exemplum
One short sentence doubled what patients could recall
The study itself turns on a framing line of six words.
The framing that changed the result was a personal one: a section headed, in effect, what this means for you. In our tests, that framing doubled risk recall compared with the conventional presentation, because it told readers why the next paragraph concerned them before asking them to work through it.
The messenger finding was just as stark. Pharmacists were trusted at 71 out of 100, while corporate voices scored 44 out of 100, a gap of 27 points on the same scale. Set both findings against the benchmarks in our record. The Benchmark Risk Comprehension median is 52 percent, and the top quartile is 70 percent.
| Measure | Pharma test | Benchmark median | Benchmark top quartile |
|---|---|---|---|
| Risk comprehension benchmark comparison (percent) | Recall began at 39 | 52 | 70 |
| Risk recall after the tested changes (percent) | 67 | 52 | 70 |
| Trust in pharmacists (out of 100) | 71 | Not benchmarked in the record | Not benchmarked in the record |
| Trust in corporate voices (out of 100) | 44 | Not benchmarked in the record | Not benchmarked in the record |
| Survey respondents | 1,200 | Not benchmarked in the record | Not benchmarked in the record |
fons: Aerovector research record, patient test set and survey, for the figures and benchmarks tabulated here.
Recall began at 39 percent, well below the 52 percent benchmark median. The problem was therefore not a marginal wording weakness. It was a comprehension gap wide enough to change what patients could safely decide.
Six words of framing can carry more weight than six pages of disclosure.
IV Damnum
Low recall is a safety cost, not a style problem
Every forgotten risk becomes a surprise, and surprises in medicine become grievances.
The cost of the 39 percent starting point shows up later, in places communications teams rarely connect to a leaflet. A patient who encounters a side effect they do not remember being told about experiences it as a concealment, whatever the documents say. Trust then falls twice: once in the information, and once in the institution that issued it.
Published evidence supports treating comprehension as a safety variable. A randomised experiment on patient medication information formats, published in 2023, found that formats written in simple language with explicit wording on use and warnings were better understood than the standard medication guide format tested. Format, in that work, was not cosmetic. It changed what readers could do with the information.
Regulated sectors live with this connection daily, which is why the discipline in choosing a PR agency for insurance companies makes a useful parallel. In both fields, the document is the product at the moment it matters most.
A leaflet is a safety device. Test it like one.
V Genus
Patients, prescribers, and pharmacists hear risk in different registers
One audience is a fiction, and in a pharmacy it can be a dangerous one.
Our tests separated the listeners. Patients wanted the personal consequence first: what this means for you, in ordinary words, before any mechanism or statistic. Clinicians wanted precision and completeness they could defend. Pharmacists sat between the two, translating in both directions, which is part of why their trust score reached 71 out of 100.
Corporate voices scored 44 out of 100 because they are heard as interested parties, however accurate their statements are. That is not a character judgement on any communications team. It is a structural fact about who benefits from the reader believing the message.
Clinical settings sharpen the same point, and teams weighing how to choose a PR agency for hospitals will recognise the handover problem: the person who explains is remembered, not the organisation that published. The explanation layer in choosing a PR agency for HealthTech faces the identical gap between a correct system and a comprehended one.
Give each listener the version their role actually requires.
VI Regio
Trust in health messengers is personal before it is institutional
People believe the professional they can question back.
The trust pattern in our study matches what wider research keeps finding. A qualitative study of trust between patients and community pharmacists, published in 2021, found that clear and straightforward explanations, delivered without talking over the patient's head, were central to why pharmacists earned trust. Respect for the reader's intelligence, expressed as clarity, was the mechanism.
Research on pharmacist communication strategies during medication counselling, published in Health Expectations in 2017, found that pharmacists mostly accommodated well to patients, and that failures clustered where they spoke too quickly, used terms patients did not understand, or skipped the patient's own agenda. Those are precisely the failures a risk box and a personal framing are designed to prevent.
Guidance from the World Health Organization on risk communication makes the general version of the point: risk communication only works when it is based on trust between experts, authorities, and the people affected, and listening matters as much as providing facts. Our 27 point gap between pharmacist and corporate trust is that principle measured in one programme.
The messenger is not packaging. The messenger is evidence.
VII Occasio
Plain language risk boxes and pharmacist voices lifted recall to 67 percent
The intervention paired a better container with a better voice.
The PR action our study tested had two parts that belong together. The first was plain language risk boxes: short, boxed sections that stated each risk in everyday words, framed by what it means for the reader. The second was pharmacist voices, putting the explanation in the mouth of the professional our respondents already trusted at 71 out of 100.
The recorded outcome was risk recall rising from 39 percent to 67 percent. That final figure sits above the Benchmark Risk Comprehension median of 52 percent and close to the top quartile of 70 percent. Nothing about the underlying risk changed. What changed was the reader's ability to hold onto it.
PAHO guidance on risk and outbreak communication reaches the same conclusion from the emergency side: honestly explaining what is known, and admitting what is uncertain, is essential to credibility. A risk box is that honesty given a permanent address on the page.
Clarity is not the risk softened. Clarity is the risk respected.
VIII Structura
A risk box is an editorial structure with clinical consequences
Where a risk sits on the page decides whether it survives the reading.
Structure does quiet work in our results. A boxed section separates the risk from the surrounding legal and corporate text, signals that what follows is for the reader rather than about the product, and gives the personal framing a fixed home. The reader learns where risks live in every document, and stops having to hunt for them.
Evidence on format supports building that home carefully. A systematic review and meta analysis published in BMC Medical Informatics and Decision Making in 2014 found that verbal probability terms led readers to overestimate adverse effect risks more than numbers did, and that numbers increased satisfaction with the information. A review of risk communication methods for cancer patients, published in 2020, likewise found that precise and defined risk information was better understood than information presented in words alone.
Regulatory writing adds its own constraints, and the compliance awareness in choosing a PR agency for LegalTech is the right companion discipline. The box must satisfy the reviewer and the reader at the same time, and pretending those are the same task is how recall ends up at 39 percent.
Put the risk where the reader looks, in words the reader uses.
IX Consilium
Frame it personally, box it plainly, and let the trusted voice speak
The prescription is a sequence of three decisions, each testable before launch.
Start with the framing: does every risk section answer what this means for you before it explains anything else? Then the container: are risks boxed, in plain language, in the same position in every document your patients receive? Then the voice: is the explanation carried by the professional your audience trusts most, measured rather than assumed?
In our study those trust figures were 71 out of 100 for pharmacists and 44 out of 100 for corporate voices, and the recall movement was from 39 percent to 67 percent. Your figures will differ, and the framework set out in our public relations services shows how testing fits inside a wider regulated communications programme.
| What your tests show | First fix | What to measure next |
|---|---|---|
| Readers cannot repeat the main risk back | Add a personal framing line before each risk section | Recall in follow up testing |
| Corporate materials score low on trust | Move explanation to pharmacist voices | Trust gap between messengers |
| Recall sits below the 52 percent benchmark median | Introduce plain language risk boxes in a fixed position | Movement toward the 70 percent top quartile |
fons: Aerovector research record for the benchmark and trust figures; decision rows are this post's prescription built on those figures.
A study of patient portals using the Clear Communication Index, published in 2016, showed that materials revised against clear communication criteria were more easily understood. The lesson generalises beyond portals. Comprehension can be engineered, audited, and improved, if a team is willing to test its own sentences on real readers.
Test the sentence on a patient before you defend it in a meeting.
X Quaesita
Questions
What did the risk communication study measure?
We measured whether patients could recall risk information, and which framing and which messenger improved that recall. The study combined 24 patient tests with a survey of 1,200 respondents, and tracked recall against comprehension benchmarks in our record.
What does the phrase what this means for you do?
In our tests, that personal framing doubled risk recall. It works as a relevance signal: the reader learns why the next section concerns them personally before they are asked to process the risk itself, so the information has somewhere to land.
How large was the trust gap between messengers?
Pharmacists scored 71 out of 100 on trust, while corporate voices scored 44 out of 100. That 27 point gap is why the study paired its plain language changes with a change of voice, rather than relying on wording alone.
How did recall compare with the benchmarks?
Risk recall began at 39 percent, against a Benchmark Risk Comprehension median of 52 percent and a top quartile of 70 percent. After the tested changes, recall reached 67 percent, above the median and close to the top quartile figure.
What are plain language risk boxes?
They are short boxed sections that state a risk in everyday words, in a fixed position, framed by what the risk means for the reader. The box separates patient facing explanation from the surrounding formal text, so readers learn where risks live in every document.
Did the changes actually improve recall?
The recorded outcome was risk recall rising from 39 percent to 67 percent. That is a result from one study for one Pharma team, presented as evidence about framing, format, and messenger, not as a guaranteed movement for every product or audience.
Why not simply make the corporate materials clearer?
Clearer corporate material helps, and our study tested wording as well as voice. But the trust scores, 71 out of 100 for pharmacists against 44 out of 100 for corporate voices, show that who speaks sets a ceiling on how far clearer wording alone can travel.
How this guide was built
This post reports Aerovector's own research record for a risk communication test for a Pharma team: 24 patient tests plus a survey of 1,200 respondents, the personal framing finding, the pharmacist and corporate trust scores, the risk comprehension benchmarks stated in the text, the plain language risk boxes and pharmacist voices as the PR action, and the risk recall outcome recorded after them. The study figures are Aerovector's own research record, and identities are withheld, so the organisation is described only as a Pharma team. The patient test sample is small and observational, the survey measures recall rather than long term behaviour, and the benchmarks come from the same research record. Third party sources were used only to set context on medication information formats, pharmacist trust, and risk communication guidance, and each is named with its year where it appears.
Sources
- Aerovector, Risk communication test research, 2026: the first-party study reported in this post, figures from the practice research record, identities withheld.
- Patient Education and Counseling, Influence of patient medication information format on comprehension and application of medication information: a randomized controlled experiment, 2023. https://pmc.ncbi.nlm.nih.gov/articles/PMC10513742/
- BMC Medical Informatics and Decision Making, Words or numbers? Communicating risk of adverse effects in written consumer health information: a systematic review and meta-analysis, 2014. https://pmc.ncbi.nlm.nih.gov/articles/PMC4153005/
- Pharmacy, Understanding the psychology of trust between patients and their community pharmacists, 2021. https://pmc.ncbi.nlm.nih.gov/articles/PMC8020281/
- Health Expectations, Investigating strategies used by hospital pharmacists to effectively communicate with patients during medication counselling, 2017. https://pmc.ncbi.nlm.nih.gov/articles/PMC5600236/
- Risk Management and Healthcare Policy, Is crisis and emergency risk communication as effective as vaccination for preventing virus diffusion? Measuring the impacts of failure in CERC with the MERS-CoV outbreak in South Korea, 2021. https://pmc.ncbi.nlm.nih.gov/articles/PMC8661923/
- JMIR Human Factors, Measuring health literacy levels of a patient portal using the CDC Clear Communication Index, 2016. https://pmc.ncbi.nlm.nih.gov/articles/PMC5114169/
- Supportive Care in Cancer, Communicating treatment risks and benefits to cancer patients: a systematic review of communication methods, 2020. https://pmc.ncbi.nlm.nih.gov/articles/PMC7295838/
- World Health Organization, Risk communication: frequently asked questions, 2026. https://www.who.int/news-room/questions-and-answers/item/risk-communication-frequently-asked-questions
- Pan American Health Organization and World Health Organization, Risk and Outbreak Communication, 2026. https://www.paho.org/en/topics/risk-and-outbreak-communication
XI Incipe
When recall sits at 39 percent, Aerovector changes the frame, the box, and the voice
Our Message House work for regulated teams starts with tested comprehension, building risk language that a patient can repeat back and a reviewer can approve. In this study that meant a personal framing line, a plain language box in a fixed position, and a pharmacist carrying the explanation. Coverage Reporting then tracks how that clarity performs once it is published, so the next document starts from evidence rather than habit.
Aerovector's client work follows the chain this report keeps returning to: ranking for AI search results, media coverage that is guaranteed, and leads generated by both. Risk material written this clearly is also the material that search tools can quote accurately and journalists can summarise without distortion. If your recall testing looks like the starting point in this study, send us the shape of it through the form on our contact page, with the documents you currently issue and the audiences who receive them, and we will show you how the work would be structured.
Aerovector makes risk information a patient can remember and a reviewer can approve.
Additional Details
Description: Our Research: Risk communication test for a Pharma team: what the study measured, what it found, and what the finding changes for teams facing the same.
Published: 2026-10-25