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Epidemiology of self-medication with modern medicines among health care professionals in Nekemte town, western Ethiopia
BMC Research Notes volume 10, Article number: 533 (2017)
Self-medication is defined as use of medicines to treat self-recognized illnesses. It is widely used in Ethiopia. However, its extent of use is unknown among health professionals. This study aimed to assess prevalence and reasons of self-medication with modern medicines among health professionals. A cross-sectional study was conducted on the health professionals, working in the public health facilities. Data were collected from March to May, 2016 using semi-structured questionnaire. Data were entered and analyzed using statistical package for the social sciences. A chi square test was used as test of significance at 95% of confidence interval.
A total of 154 health professionals were enrolled, with 53% were being females. The finding revealed that prevalence of self-medication with modern medicines was 67.5%. Financial constraints (32.5%) and familiarity with medicines (24%) were the major reasons of self-medication. It also showed that self-medication with modern medicines was significantly associated with marital status (χ2 = 19.57, P = 0.00). Analgesics (53%) and antibiotics (36%) were the most commonly used categories of medicines. Self-medication with modern medicines was highly practiced among health professionals. Financial constraints and familiarity with medicines were the two major reasons of practicing.
Self-medication is defined as use of medicines by individuals to treat self recognized illnesses . It includes diagnosing and treating one’s own illness and prescribing for one’s self [2, 3]. It is highly practiced in developing countries, which might be due to availability of medicines from informal sectors such as open marker, supermarket, and inadequate health care services . Self-medication with both over the counter and prescription only medicines are common in developing countries .
Health professionals are familiar with medicines so they are different from the other population in terms of medicine use . Knowledge and access to prescription medicines are potential factors for self-prescribing among health professionals. Other factors that are often quoted include the complaint of extensive demands on their time, issues of privacy and confidentiality . Health professionals expect that their patients to seek appropriate health care when they get sick. However, they do not seek appropriate health care by themselves. For example, they might be inappropriately self-medicate with prescription only medicines, which lead to irrational use of medicines [7, 8]. This might be due to a perception that self-prescribing with prescription only medicines such as narcotics analgesic is safe; which is not allowed even illegal for self-prescribing [8, 9]. Various studies showed that they self-medicate with modern medicines without consulting other health care professionals, which lead to development of pill for every ill culture in the medical community. Self-medication with modern medicines has many problems. The major problems are over prescribing, misuse, use of unnecessary expensive drugs and overuse of antibiotics. These problems are great issues of global concern [10, 11].
A study conducted in India showed that a lower degree of illness is the main reason of practicing self-medication among health professionals  while studies done in Malaysia and Pakistan showed familiarity with treatment as a main reason of practicing self-medication [7, 13, 14].
Though different studies have been conducted in different parts of Ethiopia, the extent of self-medication among health professionals is not assessed yet. Therefore, this study was conducted to assess prevalence of self-medication with modern medicines among health care professionals; and to identify major reasons of self-medicating.
Study setting and study design
The study was conducted on health care professionals, who were working in the public health care facilities found in a Nekemte town, western part of Ethiopia. The town is located at 328 km away from Addis Ababa, the capital city of the country. The town was selected as it is the largest and most populous town in the western part of Ethiopia. At the time of data collection, there were two public health centers and one public hospital. We included all of them in the study.
A cross-sectional study was conducted from March to May, 2016 among health professionals to assess the prevalence of self-medication with modern medicines; and to identify major factors leading to self-medication with modern medicines.
Sample size and sampling technique
Sample size was calculated by using single proportion formula , which is n = z2 pq/d2, where z is estimated at 1.96 for a 95% confidence level, P is 50% of the estimated prevalence and d is the level of acceptable error estimated at 5%. After considering sample size adjustment to the population and taking 16% compensation for non-response, the sample size was determined to be 169.
We used simple random sampling to select a health professional among those working in the public health facilities found in the town. A health professional was randomly selected from the total health professionals working in the public health care facilities. He/she was included in the study if he/she was available in the health facilities during data collection.
Data collection tool
Self-administered semi-structured questionnaires were adapted from previously published article . The questionnaire was translated into Afan Oromo, the official language of the study zone by a panel of experts fluent in the language. The Afan Oromo language version was used to collect data. Questionnaire was pre-tested on the 10% of studied health care professionals, who are working in the public health care facilities found in a Ghimbi town. Data collection was commenced after small amendment was made on the questionnaire in the field of professionals based on the results of pretest.
Data management and analysis
Data were coded, entered and analyzed using Statistical Package for the Social Sciences (SPSS) version 17 for windows, and Microsoft Office Excel 2007. Descriptive statistics were expressed by using frequencies and proportions. A Chi square was used as test of significance at 95% of confidence interval. A P value of 0.05 or less than 0.05 was used as the cut-off level for statistical significance.
Ethical clearance was obtained from the Institutional Research Ethics Review Committee of Wollega University, College of Health Sciences. A letter of cooperation was written from the Department of Pharmacy to the concerned health facilities for further cooperation. The objective of the study was explained to the study participants and a written consent was obtained from each participant.
Socio demographic characteristics of respondents
A total of 169 health professionals were recruited but only 154 (91.1%) of them completed questionnaire. Among 154 respondents, 81 (53%) were females. Seventy-six (49%) of the respondents were in the 20–29 age groups and 54 (31.5%) were in the 39–39 age groups while the rest 24 (15.6%) were aged more than 39 years. Sixty-two (40%) respondents had been working as health care professionals for 5 or less than 5 years. One hundred five (68.2%) of the respondents were unmarried. Majority 88 (57.2%) of the respondents were nursing professionals (Table 1).
Reasons for self-medication and category of medicines used
Among 154 respondents, 104 (67.5%) of them were practicing self-medication with modern drugs within last 2 months of recall period. Analgesics 56 (36.1%) and antibiotics 37 (23.9%) were the most commonly used medicines categories. Financial constraints 50 (32.5%) and familiarity with medicines 37 (24%) were the most commonly mentioned reasons to self-medicate with modern medicines (Table 2).
Factors influencing self-medication with modern drugs
To assess the association of self-medication with socio-demographic variables of studied participants, we calculated Chi square test. We found that self-medication was significantly associated with marital status (χ2 = 19.57, P = 0.00) (Table 3) at 95% of confidence interval.
The aim of the present study was to assess epidemiology of self-medication with modern medicines among health care professionals. The finding of this study suggested that two-thirds (67.5%) of health professionals were self-medicating with modern medicines. This figure was comparable with findings reported from study conducted in Malaysia ; and it was less than the findings reported from study conducted in India, Pakistan and Ghana [10, 12, 14]; and it was higher than the reports from study done in America . This discrepancy might be due to different factors such as variation in income of the professionals, availability of social health insurance for professionals, and governing laws, which prohibit sales of prescription only medicines as over the counter.
In contrary to study conducted in India, which showed self-medication was significantly associated with female sex, it was not significantly associated with sex of the studied populations in this study . However, it was significantly associated with marital status of the studied population (X2 = 19.57, P = 0.00) at 95% confidence interval, where unmarried health professionals had more tendency to self-medicate with modern medicines. This significance might be due to the number of surveyed respondents as majorities were unmarried, which might be outlier the finding. Although self-medication was not significantly associated with age, the prevalence of self-medication higher in the respondents with lower age categories. This was in contrary to the reports of study conducted by Boateng, which showed higher rate of self-medication with higher respondent age group .
This study revealed that financial constraints and familiarity of the medicine were major reasons of practicing self-medication. This finding was similar to report from study done in Malaysia . However, busy life schedule and previous experience of medicines were reported as the major factors in the study conducted in Pakistan . Different studies also showed that low severity of illnesses was the main cause for the practice of self-medication, unlike to this finding [17, 18].
The study also revealed that analgesics and antibiotics were the most commonly used categories of medicines. However, this finding was inconsistence with the reports from studies done by Boateng and Tensaw, which reported a higher rate of antibiotics and analgesics [1, 10]. This high prevalence of analgesic for self-medication might be associated with their availability as over the counter. It also suggested that antibiotics were also available as over the counter medicines, where their uses were not supported by laboratory investigation. Antibiotics are susceptible to the risk of misuse and yet they are often exposed to the high rate of self-medication practices [19, 20]. Use of antibiotics as over the counter drugs may cause the development of bacterial resistance.
The aim of this study was to assess prevalence of self-medication with modern medicines among health care professionals. The study revealed that self-medication with modern medicines was highly practiced among health professionals. Familiarity with medicines, and financial constraints were the major mentioned reasons of self-medicating. Analgesics and antibiotics were the most commonly used categories of drugs.
Based on the findings, we proposed the following recommendations to minimize prevalence of self-medication:
In order to overcome financial constraints, social health insurance should be implemented.
To minimize the use of antibiotics for self-medication, sales of antibiotics as over the counter medicines should be prevented through effective supervision.
This study has two major limitations. First, the study was carried out among health professionals working in the public health facilities only. Thus the findings cannot be generalized to all health professionals working in Ethiopia. Second, 2 months recall period was used to collect information hence it might be subjected to recall biases. However, to our knowledge this article was the first to assess prevalence of self-medication with modern medicines among health care professionals in Ethiopia.
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EK, ES: study design, data collection and analysis, interpret the data, draft and reviewed the manuscript. BM, ES: Data entry, data analysis and reviewed the manuscript. ES, GB, MG, AT: conception of the research idea, design of the study, carrying out the data collection, and drafting the manuscript. All authors read and approved of the final manuscript.
The authors would like to thank Wollega University for giving for logistic support and all individuals who rendered help during the study period.
The authors declare that have no competing interests.
Availability of data and materials
The datasets used and/or analysed during the current study available from the corresponding author on a reasonable request.
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Ethics approval and consent to participate
Ethical approval was obtained from the Institutional Research Ethics Review Committee of Wollega University. A written consent was obtained from each study participant.
This research was not funded by any institution. It was done by authors’ expenses.
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Sado, E., Kassahun, E., Bayisa, G. et al. Epidemiology of self-medication with modern medicines among health care professionals in Nekemte town, western Ethiopia. BMC Res Notes 10, 533 (2017) doi:10.1186/s13104-017-2865-5
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