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Safety in Health

Open Access

Knowledge and practices of nurses regarding nosocomial infection control measures in private hospitals in Sana’a City, Yemen

  • Gamil Alrubaiee1Email author,
  • Anisah Baharom1,
  • Hayati Kadir Shahar1,
  • Shaffe Mohd Daud2 and
  • Huda Omar Basaleem3
Safety in Health20173:16

https://doi.org/10.1186/s40886-017-0067-4

Received: 18 October 2017

Accepted: 28 November 2017

Published: 15 December 2017

Abstract

Background

In the Yemeni healthcare setting, basic infection control measures are necessary to reduce the rates of hospital-associated infections.

Methods

A descriptive cross-sectional study was conducted from April to May 2016. A non-probability sample of 100 nurses working in the private hospitals located in the capital city of Yemen was selected as study participants. A 45-item questionnaire was used to assess knowledge and practices regarding nosocomial infection control measures among the study subjects. The collected data were analyzed by SPSS (version 22.0).

Results

The highest percentage of nurses were males (61.2%) and aging between 25 and above (71.8%) and had 3 years nursing diploma (60%), less than 5 years of employment in the hospitals (56.5%), relatively high training course about nosocomial infections (NIs) (64.7%), and working experience in infection control (78.8%). Most of the nurses (87%) had a fair level of knowledge, while only 4% of them had a good level of knowledge of preventive measures of nosocomial infections. The results also revealed that the majority of the nurses (71%) had fair practices about nosocomial infections whereas 26% of them had good practices and only 3% of them had poor practices.

Conclusion

The gaps in knowledge and practices regarding NI control measures indicate the need to establish a related health care policy regarding NIs and implement a regular training program to upgrade and refresh the nurses’ knowledge and practices regarding NI control measures.

Keywords

Nosocomial infectionsHospital-acquired infectionsHospital-associated infectionsCross infectionYemen

Background

Nosocomial infections (NIs), also known as a hospital-acquired infection, are defined as infections which are acquired after 48 h of patient admission. Such infections are neither present nor incubating prior to a patient’s admission to a given hospital. NIs represent a universally serious health problem and a major concern for the safety of both patients and the health care providers [14]. Although the incidence rate for nosocomial infection vary from country to country, at any given time, almost seven patients from developed countries to ten patients from developing countries out of each100 patients admitted to hospitals gain at least one kind of nosocomial infections [5]. In Yemen, data regarding NIs are few, but the prevalence rate of NIs, specifically surgical site infection, is high from time to time as it accounted for 8% in 2002 [6] and 34% in 2013 [7].

NIs have significant consequences on patients, their families, and the community as a whole. The most common consequences of NIs are increased morbidity, mortality, and length of hospitalization [4, 8]. Such consequences contribute substantially to raise both the direct and indirect cost of the health care services, which result in additional costs to treat infected cases. Hence, such issue wastes the available resources which are not already enough, especially in developing countries [9].

Nurses are responsible for providing medications, dressing, sterilization, and disinfection. They are involved in more contact with patients than other health care workers (HCWs). Therefore, they are more exposed to various NIs [10]. Hence, nurses play a vital role in transmitting NIs, and their compliance with infection control measures seems to be necessary for preventing and controlling NIs [11]. Accordingly, they should be aware of how to prevent transmission of NIs and be knowledgeable of its potential risk to patients, other staff, and as visitors.

Although there are many previous cross-sectional studies which revealed that the levels of nurses’ knowledge and practices are relatively poor and insufficient [1215], to the researcher’s best of knowledge, so far, no study has been conducted in Yemen which is the context of the current study. Therefore, this study aimed to identify gaps in nurses’ knowledge and practices regarding NI control measures in order to improve the current training courses and enhance future good practice.

Methods

Aim

This study aims to answer the following research questions:
  1. 1.

    What is the current level of knowledge of nurses regarding infection control measures?

     
  2. 2.

    What is the current level of practices of nurses regarding infection control measures?

     

Study design

A descriptive, cross-sectional design was used in this study.

Study setting

This study was carried out in two private hospitals in Sana’a, the capital city of Yemen. The study covered a period from April 2016 to May 2016. All nurses who were working in the selected private hospitals and involved in a direct contact with patients were invited to participate in this study.

Subjects

A non-probability (purposive) sampling technique was used to select the study participants. A total of 100 nurses participated in this study and responded to the study questionnaire. However, only 85 questionnaires were filled completely and included in the final analysis.

Study instrument

A structured questionnaire was developed based on the World Health Organization (WHO) infection control guidelines [9]. The final questionnaire comprised 45 items related to knowledge and practice regarding NI control measures. It is divided into the following three sections:

Section 1 is related to the demographic information of the participants: age, gender, level of education, current position and duration of working, course training on NI control, and working experience in NI control measures.

Section 2 is related to knowledge and is divided into these two parts:
  1. 1.

    Knowledge of preventive measures of person-to-person transmission, which includes hand hygiene (5 items), personal protective equipment (5 items), and safe injection practices (4 items)

     
  2. 2.

    Knowledge of preventive measures of transmission from hospital environment, which involves routine hospital cleaning (4 items), safe waste handling and disposal (4 items), reprocessing of patient care equipment (4 items), and safe linen handling (4 items)

     

Section 3 is related to practices on NI control measures, and it consists of 15 items. This section is also subdivided into two parts: precautions to prevent NIs (9 items) and actual actions to prevent NIs (6 items).

Scoring system

The 30 items related to knowledge were assessed with “Correct,” “Incorrect,” and “I don’t know” options, while the practices was assessed using 15 scenario-based items with “Yes,” “No,” and “I don’t know” options. The reverse statement was corrected first and then a 0 score was given for each “incorrect” or “I don’t know” response; 1 score was given for each correct response. The maximum and minimum scores for each section vary based on the number of items in each section. Correct answers were calculated to obtain total scores for different infection control practices. A score of less than 50% was considered poor, 50–79% fair, and 80% and above was considered as good [16].

Validity and reliability

Content validity was obtained by three experts in infection control and prevention at hospitals and academic institutions. Their comments regarding the tool layout and format, relevance, accuracy, consistency, and scoring system were taken in consideration. Reliability of the tool items was tested using alpha Cronbach (α) test: section 2 of the tool = 0.81 and section 3 = 0.79 which considered acceptable.

The responses were recorded and analyzed using the statistical software (IBMSPSS), version 22.0. Descriptive statistics was applied (percent and number). A p value of ≤ 0.05 was taken as statistically significant.

Data collection

The questionnaire was distributed during the study period of April to May 2016. In-ward nurses from both hospitals were invited during regularly scheduled educational meetings to fill the questionnaire and had to return it back at the same time to avoid any non-response bias. A total of 100 questionnaire were distributed, 50 in each hospital. Only 85 out of the 100 distributed questionnaires were completed, and therefore, they were used in the final analysis.

Ethics

Permission for this study was obtained from the Ethics Committee of both selected private hospitals (University of Science and Technology and Saudi German Hospital Sana’a). A written consent was also obtained from all eligible nurses before data collection.

Results

Response rate

Out of 100 distributed questionnaires, 85 questionnaires were filled completely and included in the final analysis, thus making up a response rate of 85%.

Demographic details of the respondents

The results of the study showed that the majority of the nurses (61.2%) were males and they were the age group of 25 years and above (71.8%). Sixty percent of them had a 3-year diploma and 95.3% were staff nurse. Regarding duration of work, 56.5% of the participating nurses had less than 5 years of working experience. Around two thirds of the nurses (64.7%) had attended training courses, whereas 78.8% of them had working experience in infection control. Further details of the respondents’ demographic characteristics are presented in Table 1.
Table 1

The distribution of the respondents according to demographic characteristics (N = 85)

Demographic details

Total n (%)

Age (in years)

 < 25

24 (28.2)

 25+

61 (71.8)

Gender

 Male

52 (61.2)

 Female

33 (38.8)

Level of education

 Diploma degree

51 (60.0)

 Bachelor degree

34 (40.0)

Current position

 Staff nurse

81 (95.3)

 Head nurse

4 (4.7)

Duration of working experience

 ≤ 5 years

48 (56.5)

 > 5 years

37 (43.5)

Course training on infection control

 Yes

55 (64.7)

 No

30 (35.3)

Working experience in infection control

 Yes

67 (78.8)

 No

18 (21.2)

Nurses’ knowledge on person-to-person infection control measures

The results of the study showed that the majority (72.9%) of the Yemeni nurses had a fair level of knowledge on hand hygiene, while almost above of the third (35.3%) had a good level of knowledge on PPE. Likewise, more than half of the nurses (67.1%) had a poor level of knowledge regarding safe injection practices. Further details are given in Table 2.
Table 2

Nurses’ knowledge on different preventive measures of person-to-person infection transmission (N = 85)

Different practices

Level of knowledge

Poor (˃ 50% score)

Fair (50–79% score)

Good (≤ 80% score)

Hand hygiene

14 (16.5)

62 (72.9)

9 (10.6)

Personal protective equipment

32 (37.6)

23 (27.1)

31 (35.3)

Safe injection practices

57 (67.1)

28 (32.9)

0 (0.0)

Nurses’ knowledge on preventive measures of transmission from hospital environment

Regarding the preventive measures used in preventing transmission of infections from the hospital environment, the results revealed that more than half (52.9%) of the participants had a good level of knowledge on routine hospital cleaning and the majority (81.1%) of them had a fair level of knowledge on safe waste handling and disposal. It was also found that more than two thirds (82.8%) of the nurses had a fair level of knowledge on patient care equipment reprocessing, while above half (60%) of them had a poor level of knowledge of safe linen handling. More details are given in Table 3.
Table 3

Nurses’ knowledge on preventive measures of transmission from hospital environment (N = 85)

Different practices

Level of knowledge

Poor (˃ 50% score)

Fair (50–79% score)

Good (≤ 80% score)

Routine hospital cleaning

4 (4.7)

36 (42.4)

45 (52.9)

Safe waste handling and disposal

7 (8.2)

69 (81.1)

9 (10.6)

Patient care equipment reprocessing

2 (2.4)

70 (82.8)

13 (15.3)

Safe linen handling

51 (60)

33 (38.8)

1 (1.2)

Overall level of knowledge on different NI control measures

The results of the current study showed that the majority (87%) of the participants had a fair level of knowledge on the different NI preventive measures. However, 9% of them had a poor level of knowledge, and only 4% of them had a good level of knowledge on the different NI preventive measures. The results are illustrated in Fig. 1.
Fig. 1

The overall knowledge on different infection prevention and control measures

Level of nurses’ practices of different NI control measures

Based on the findings of the study in Table 4, most of the nurses (74.1%) had good practices on actual actions utilized to prevent NIs, while 71.8% of them reported fair practices regarding precautions to prevent NIs. Further details are presented in Table 4.
Table 4

Nurses’ practices on NI control measures (N = 85)

Different practices

Level of practices

Poor (˃ 50% score)

Fair (50–79% score)

Good (≤ 80% score)

Precautions to prevent NIs

4 (4.7)

61 (71.8)

20 (23.5)

Actual actions to prevent NIs

2 (2.4)

20 (23.5)

63 (74.1)

Overall level of practices on different NI control measures

Figure 2 indicates that the majority (71%) of nurses had fair overall practices, whereas 26% of them demonstrated good practices on different infection prevention and control measures.
Fig. 2

The overall nurses’ practices on different infection prevention and control measures

Discussion

NIs increase patients’ morbidity, mortality, the length of hospital stay, and treatment cost (Ginny [17]). Therefore, infection prevention and control are important to prevent the occurrence of NIs in health and hospital settings. During patients’ nursing care, it is thus of utmost importance for nurses to have the knowledge and appropriate practice of infection prevention and control measures. This study aimed to determine the level of nurses’ knowledge and practices regarding NIs.

Based on the results of the present study, the majority of the Yemeni participating nurses were 25 years old and above (71.8%). This result is similar to the result reported in previous studies conducted by Ginny Kaushal et al. [17] in India, Johnson et al. [18] in Nigeria, and Reda et al. [19] in Ethiopia. Furthermore, the results revealed that almost above half (61.2%) of the participants were male holding nursing diploma (60%), which corroborates what was reported by El-Sayed et al. [20] in regard to nursing diploma. However, our result is inconsistent with this previous study concerning the gender as El-Sayed et al. [20] reported that most of the study participants were females. Thus, why the males outnumbered the females in the current study could be explained from a cultural and religious perspective. In other words, in many Middle East countries, cultural and Islamic perspectives still prevent female nurses from working in the night shift or working in the male’s wards. Regarding years of employment in the hospital, about half of nurses (56.5%) were found to have less than 5 years of experience. This result is compatible with the result obtained by Fashafsheh et al. [16] who found that about (43.9%) of the participants had working experience of 5 years or less. Such result indicates that new employees seem to be more cooperative than senior ones to participate in research. The current study also revealed that most of the participants (64.7%) attended annual continuing education courses about infection control. This result is compatible with Ebied [21] who found that more than half of nurses attended infection control course and continuing education programs. In contrast, such result is inconsistent with the result reported by Fashafsheh et al. [16] who indicated that most (63.8%) of the nurses had no training course about NIs. This contrast in results could be due to the difference in setting and targeted group from study to another study. The difference in in-service training-related policy could also be another factor for this difference.

Regarding the level of nurses’ knowledge on different preventive measures of person-to-person infection transmission, our study showed that the majority (72.9%) of the participants had a fair level of knowledge of Hand hygiene. Almost two thirds of the participants were found to have fair (27.1%) and good (35.3%) levels of knowledge on personal protective equipment. The results also demonstrated that there were above half (67.1%) of the participants which had a poor level of knowledge and 32.9% of them had a fair level of knowledge; none of the participants had good knowledge on safe injection practices. For the nurses’ knowledge on different preventive measures of transmission from hospital environment, it was found that above half (52.9%) of the participants had a good level of knowledge of routine hospital cleaning and the majority (81.1 and 82.8%) had a fair level of knowledge on safe waste handling and disposal and patient care equipment reprocessing, respectively. However, above half of the Yemeni nurses (60%) had a poor level of knowledge of safe linen handling. In general, regarding the overall nurses’ knowledge on the different infection prevention and control measures, it was found to be fair (87%). It was even higher than what was found by Abdulraheem et al. [12] in Northern Nigeria and Shamaa and Talaat [15] in Egypt and Isara and Ofili [22] in the Federal Medical center. The knowledge level in these studies was (12.9, 10, and 37.7%), respectively. However, the level of knowledge in the current study is lower than what was found by Vaz et al. [23] and Labrague et al. [24], as it accounted for 90 and 89.7%, respectively. Such different levels of knowledge among nurses in these different studies might be due to the inadequacy of infection prevention and control training’ education, as it was found that those nurses who attended in-service training courses achieved a high knowledge scores [25]. In particular, the results highlighted the necessity to implement an in-service training course on infection control measures with more focusing on safe injection practices and safe linen handling because nurses had had poor knowledge in these two aspects.

Concerning the level of nurses’ practices regarding infection prevention and control measures, the present study indicates that the majority (71.8%) of the Yemeni nurses had a fair level of practices in regard with precautions to prevent NIs, while nearly a third of them had a good level of practices on these precautions. However, the study demonstrates that almost two thirds (74.1) of the nurses had a good level of practices on actual actions to prevent NIs. In general, the study revealed that the majority (71%) of the participants had a fair overall level of practices, whereas 26% of them had good overall practices regarding different NI prevention and control. This result is close to the result by Eskander et al. [25] which showed that the level of practice was more than 75%. However, it is less than what was obtained by Fashafsheh et al. [16] as it was 91.14%, but it is higher than what was found in many other studies [18, 20, 26, 27] as this level of practice accounted for 20, 48.7, 55.3, and 57.5%, respectively. This discrepancy in results could be due to the difference in participants’ attitudes towards utilizing infection control measure methods. It could also be either due to the difference in the operational definition of the good practice from one study to another study or due to the difference in knowledge of the nurses regarding infection prevention and control. Furthermore, although the nurses showed a fair level of practices about the precautions that should be used to prevent NIs, they demonstrated a good level of practices in the actual actions as a way to prevent NIs during the daily activities. This could be an indication of the existing contrast between theory and practice, which reflects the need for linking theoretical to practical aspects in curriculum addressing infection control measures.

Limitations

Our study has several limitations, which should be addressed for future research. The study was exclusive to private hospitals and nurses, and it used purposive sampling method. Therefore, generalizability of the results needs to be taken with caution. The selection bias also might exist in this study. Furthermore, our study determined the self-reported practices, but how nurses are translating these practices in the real clinical practices needs further investigation.

Conclusion

Based on the findings of this study, it could be concluded that the majority of the Yemeni nurses had fair knowledge and practices regarding NI control measures. Therefore, future research should focus on improving knowledge and practices among nurses through educational intervention, during either their training courses or in-service refresher courses by assessing their knowledge and practices before and after intervention. Further studies involving both public and private hospitals are also recommended.

Abbreviations

IBMSPSS: 

Statistical Package for the Social Sciences

NIs: 

Nosocomial infections

WHO: 

World Health Organization

Declarations

Acknowledgements

We would like to thank all the nurses who willingly agreed to participate in this study as well as to those who helped us in the data collection, particularly the head of nursing departments in the selected hospitals. Also, we wish to thank the managers of the private hospitals for their agreement, cooperation, and assistance.

Funding

This study has not received any types of grants to support.

Availability of data and materials

As stated in the respondents’ consent, the data used in the current study is confidential and cannot be publicly shared but is available from the corresponding author on a reasonable request.

Authors’ contributions

GGA, AB, HKS, SMD, and HOB were involved in the notion and the study design. GGA was responsible for the data collection and analysis. All the authors contributed in the data interpretation, reviewing and drafting the manuscript, and approved the final manuscript.

Ethics approval and consent to participate

Ethical approval was obtained from the Ethics Committee of University of Science and Technology hospital and Saudi German Hospital Sana’a, where data were collected. Written consent using respondents’ sheet and consent was also obtained from all eligible participants prior to conducting this study.

Consent for publication

Not applicable

Competing interests

The authors declare that they have no competing interests.

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Authors’ Affiliations

(1)
Department of Community Health, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
(2)
Department of Foundations of Education, Faculty of Educational Studies, Universiti Putra Malaysia, Serdang, Malaysia
(3)
Department of Community Medicine and Public Health, Faculty of Medicine and Health Sciences, University of Aden, Aden, Yemen

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Copyright

© The Author(s). 2017

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