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Level of understanding of medical terms among italian students


Authors: I. Grappasonni 1;  F. Petrelli 1;  H. Klusoňová 2;  PharmDr. Lenka Kračmarová, Ph.D. 3
Authors‘ workplace: University of Camerino, School of Pharmacy, Italy 1;  Charles University in Prague, Faculty of Pharmacy in Hradec Králové, Department of Biological and Medical Sciences (in the time of study realization), Czech Republic 2;  Krajská nemocnice T. Bati, a. s. – Lékárna Zlín 3
Published in: Čes. slov. Farm., 2016; 65, 216-220
Category: Original Articles

Overview

Problems related to medical treatment and health literacy are nowadays a considerable difficulty, particularly if awareness of them is low. There is still a lack of information about students’ understanding of medical recommendations. The aim of this work was to determine the understanding of medical terms among Italian students and to find out if there is any relation between understanding and age, gender, education or parental occupation. The research was realized via questionnaires in the Marche region of Central Italy in 2015. Students were chosen at random from grammar schools, vocational schools and the local university. 387 completed questionnaires were subsequently evaluated. The level of understanding of medical terms among students was quite poor. Most of the terms included in the study were known to only a third of respondents on average. A significant link between the comprehension of medical terms and education level or parental occupation was observed, especially in the terms that are not commonly used. Nevertheless, no relation between knowledge of medical terms and gender was found. This topic, which requires attention, should be investigated because of correct implementation of preventive medicine programs.

Key words:
medical terms • Italian students • correct use of medicine • risk

Introduction

It is well known that every drug can poison as well as cure, depending on the amount taken. Even if the rules of correct administration of medication are followed, many treatment risks exist which increase if they are not. There are also many complications of drug therapy caused by non-compliance, when many useless drugs are administered to the patient.

Currently, in highly developed countries, everybody takes some form of medicine at some time. There are also many patients with serious or chronic diseases who take a large number of medications (polypharmacy); their risk of suffering from medical-related problems is possibly higher.

A large number of studies have focused on health literacy in adults1–3), but there is still a lack of information about students’ understanding of medical recommendations.

The Pharmaceutical Care Network of Europe stated that “A drug related problem is an event or circumstance involving drug therapy that actually or potentially interferes with desired health outcomes” 4). In addition, WHO defined ADR (Adverse Drug Reaction) as a “response which is noxious and unintended, and which occurs at doses normally used in humans for the prophylaxis, diagnosis, or therapy of disease, or for the modification of physiological function” 5). In the Directive 2010/84/EU this definition is amended to “noxious and unintended effects resulting not only from the authorized use of a medicinal product at normal doses, but also from medication errors and uses outside the term of the marketing authorization, including the misuse and abuse of the medicinal product” 6). ADRs are affected by many important predisposing factors including extremes of age, polypharmacy, intercurrent disease and genetic factors. Mechanisms of reactions can be pharmaceutical, pharmacokinetic or pharmacodynamic7).

Because medical related problems and health literacy are currently a considerable difficulty, particularly if awareness of them is low, we decided to focus this work on the understanding of medical terms. This paper might help to better evaluate the importance and the risk of the miscomprehension of information on drug use among high school and university students.

In the last two decades, many surveys have focused on health literacy (HL). In given definitions, HL is often related only to patients’ reading and numeracy skills. But the WHO defines health literacy as “the cognitive and social skills which determine the motivation and ability of individuals to gain access to, understand and use information in ways which promote and maintain good health” 8). The potential effect of culture on the communication and understanding of health information should not be forgotten, especially in patients’ ability to make a health-related decision based on available information9, 10).

The aim of the presented work was to determine the understanding of 25 medical terms used in leaflets among Italian high school and university students in the Marche region in central Italy and to find out any possible relation between the understanding of these terms and age, gender, education or parental occupation.

Material and methods

A questionnaire was distributed among high school and university students in the Marche region of central Italy during the winter term 2014/2015. The study population was chosen at random from students of the University of Camerino, grammar schools and vocational schools in Camerino. Of the 400 questionnaires distributed, 387 completed questionnaires were evaluated (97%). Of the 387 respondents, 213 were women (55%), 171 men (44%) and 3 persons (1%) who did not state their gender. The overwhelming majority of respondents were Italian (345 students, 89%). There were also 7 Greeks (2%), 4 Albanians (1%), 8 Romanians (2%), 2 Russians (1%), 1 Ukrainian (0%), 1 Pole (0%), 1 Czech (0%), 1 Tunisian (0%) and 16 students (4%) who did not complete the question about nationality. The average age of the study group was 18.9 years. Two thirds of respondents or 256 students (66%) were high school students. 131 (34%) were university students. The group of high school students was made up of 157 (61%) comprehensive school students and 99 (39%) vocational school students. The group of university students was made up of 65 (50%) pharmacy students, 33 (25%) law students, 29 (22%) nutritional biology students, (2%) 2 fitness students, 1 (1%) chemistry student and 1 (1%) political science student.

The questionnaire used was originally created by the University of Camerino.

The selection of medical terms (the official language of the leaflets) included in the questionnaire was derived from the analysis of the medical terms presented on leaflets of the most used OTC drugs in Italy, as it was published by the Italian Ministry of Health11). From the list provided by the Italian Ministry of Health, 24 highest frequency terms were chosen from a list of the most common words (official language) on 50 OTC package information leaflets (ATC groups: A01, A02, A03, A06, A07, A11, C05, D01, G01, M01, M02, N02, R01, R05).

The term “teratogenic” was added to the most commonly used terms, considering the possible damage from taking some medications during pregnancy. This risk is greater in the age groups interviewed, whether some drugs are taken without adequate precautions.

In the first part, social and demographic facts and parental occupation were examined and the second part focused on the knowledge of technical terms which are frequently used in patient information leaflets.

Twenty five terms were used, each with four possible answers explaining the term and a fifth answer which stated “do not know” in order to add value to the results. There was one correct answer for each question.

The questionnaires were filled in by the students during their classes. Completion of questionnaires was absolutely anonymous and voluntary. The results were processed using Microsoft Excel 2010. Chi-square Test was used to examine the relationship between the level of understanding of medical terms and gender, age, education or parental occupation.

Results

Results summarizing numbers and percentage of respondents who stated correct answers to each term are presented in Table 1.

1. Correct answers of students
Correct answers of students

In addition, we present statistical correlations based on the respondents’ age, gender, education and family education. There was no significant difference between male and female, high school and university students, nor between parental occupation for the following terms: “erythema”, “anuria”, “anaphylaxis”, “spasm”, “analgesic” and “precautions”.

There was the only one term where significantly more correct answers were given by female than male participants: “antiaggregant” (P < 0.05).

Frequently, significantly higher knowledge was demonstrated among university students when compared with high school students (P < 0.05). Moreover, among university students, pharmacy students gave significantly more right answers (P < 0.05). These findings are related to the following terms: “hematuria”, “topical”, “ophthalmic”, “hyperkalemia”, “asthenia”, “parenteral”, “dyspnea”, “edema”, “dyspepsia”, “constipation”, “antipyretic”, “exanthema”, “antiaggregant”, “bradycardia”, “excipient”, “teratogenic”, “interaction”, “antalgic” and “posology”.

There was also a significantly higher level of understanding of these terms in respondents whose parents are employed in the medical field (P < 0.05). These correlations were found for the following terms: “hematuria”, “topical”, “ophthalmic”, “hyperkalemia”, “asthenia”, “antipyretic”, “exanthema”, “bradycardia”, “teratogenic” and “interaction”.

From the group of high school students, comprehensive school students understood the following terms far better than vocational school students (P < 0.05): “dyspnea”, “antipyretic”, “exanthema” and “posology”.

Discussion

Health literacy

The importance of appropriate comprehension of medical instruction is evident, particularly because many medical errors are caused by a limited HL level12). Low HL is related with poor self-management of chronic diseases, higher hospitalization rates and poorer health13–15). HL is also connected with an increase in emergency department visits and increased morbidity and mortality16). Also, adherence to health care recommendations and preventive strategies is more likely to be influenced by a patient´s literacy level9, 12).

To illustrate how extensive this issue is, 90 million adults in the United States have problems with understanding and following health care information17, 18). Furthermore, only 12% of the 228 million of adults making up the US population has the skills to manage their healthcare adequately16).

In the study related to levels of HL and the shame associated with admitting lower reading ability, it was found that almost half of population may have low health literacy. More than half of respondents had never spoken of their reading difficulties with family members and 67% had never mentioned this problem to their spouses19).

Conclusions regarding the possible relation between comprehension of medical terms and factors stated below are presented:

Age

The conclusion of our research is that there was no relation between the age of respondents and the level of understanding of medical terms. Although it was observed that older students generally displayed a better knowledge of medical terms, the most likely reason for this is probably due to higher education levels rather than the real age of students. An additional argument can be that our study did not contain a representative population sample: respondents were high school and university students (18–30 years old), so any possible generalization relating to the age of respondents could be misleading.

This result corresponds with other studies regarding health literacy in different study groups. Usually, literacy levels were connected with age in population samples. In one study where the participants were children aged 7–12 years, the Newest Vital Sign was used to evaluate their health literacy. It was found that children were able to complete this questionnaire in the same time and with the same distribution of results as adults. The only difficulty for children aged 7 was the question on calculating and percentage; something that is usually learned when the child is aged 9 or 1020). In numerous studies it was noted that the elderly (60+) have limited HL. The reason may be related to an important attribute of HL, mainly that reading ability declines with age13, 19, 21).

Gender

In our questionnaire no relation between the gender of respondents and understanding of medical terms was observed, with one exception (the term “antiaggregant”). This finding is in accordance with many other researches.

On the other hand, in their study on shame and health literacy, Parikh and his team found that men were more likely to have poorer health literacy than women19). This conclusion can be affected by the different roles occupied by men and women in society. Men might feel under higher pressure to deal with the prejudice of being more self-sufficient and capable of managing a higher number situations on their own than women. The study from the Netherlands also observed that men are more likely to have lower levels of health literacy than women22).

Education

It was observed that there is a significant correlation between education and better understanding of medical terms in our study as well as in others23). In our study, the high level of knowledge of some well-known expressions such as “precautions”, “analgesic”, “spasm” and “erythema” was highlighted. These terms were correctly defined by the majority of students. The term “anaphylaxis” was known by 40% of respondents. In these widely used expressions no significant difference between any groups of respondents was observed.

On the contrary, most medical terms included in this survey which are also used in medical practice were not known to the majority of respondents. Knowledge of these terms was obviously related to levels of education.

No relation to education and health literacy was found in the study carried out in Pakistan. Their questionnaire was oriented on basic knowledge on drug use related to indications, contraindications, adverse effects, interaction, routes of administration, dosage schedules and precautions24).

Family

In our study, findings regarding effects on health literacy by the family were similar to the connection between education and levels of health literacy. There was an adequate level of understanding of some well-known medical terms but no link between parental occupation and knowledge of medical terms was observed.

On the contrary, medical terms that were not adequately known to the majority of respondents show a significant connection to parental occupation. If at least one parent worked in the medical field, the level of understanding of these terms was seen to be significantly higher.

Limits of this survey

There are some limitations of our study. The first is that a standardized test for evaluating the knowledge of medical terms among students was not used. The terms in this survey were chosen at random with the intention of finding the level of understanding of some commonly used and some less commonly used but often encountered medical terms.

The other limit is that the questionnaire was completed during classes and potential uncertainties could only be explained by the teacher or professor present at the time. Although teachers and professors were always well informed about the questionnaire, which also included written instructions, teachers might have provided different explanations for the same procedure.

One of the limitations of this survey is that it was only realized in the Marche region. We can say that the results reflect the cultural background of the central-northern Italian population. Moreover, this study could be limited by the non-equal representation of high school students (66%) and university students (34%).

Conclusion

This study was focused on the knowledge of medical terms among high school students and university students in the region Marche in Central Italy.

It was observed that for some well-known, widely used expressions there is no relation between levels of understanding and age, gender, education or parental occupation.

On the contrary, most terms were not adequately known to the majority of respondents. Higher level of understanding was related to education and to parental occupation. University students had better knowledge of these terms than high school students and comparative school students understood more medical terms than vocational students. Additionally, students with at least one parent working in the medical profession possessed significantly better knowledge of these terms. Otherwise no relation between the knowledge of these terms and age or gender was observed.

Preventive medicine strategies should also be focused on these age groups and cultural backgrounds, as this formative period is appropriate for introducing health care education. Issues related to health literacy should be included in schooling (as study programs in Italy do not include this topic yet).

Abbreviations

HL – health literacy

WHO – World Health Organization

ADR – adverse drug reaction

OTC – Over The Counter drugs

Conflict of interest: none.

Received November 7, 2016 / Accepted December 1, 2016

PharmDr. Lenka Kračmarová, Ph.D.

Krajská nemocnice T. Bati, a. s. – Lékárna

Havlíčkovo nábřeží 600,

762 75 Zlín

e-mail: lenka.kracmarova@centrum.cz


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