Dental Faculty’s Knowledge and Attitude regarding COVID-19 disease in Qassim, Saudi Arabia

doi:10.21203/rs.3.rs-25805/v1

Background: Present study aimed to explore the knowledge and attitude of dental faculty at Qassim University, regarding novel COVID 19 disease.

Methods: The cross-sectional survey was conducted on the faculty at undergraduate dental school. The self-designed e-survey was administered to 78 faculty members to assess their knowledge and attitudes towards the COVID-19 disease. Data analysis was conducted by using SPSS version 23. Descriptive statistics were reported as frequency and percentages. Chi-square test was utilized to identify the correlation between the independent and dependent variables. The inferential statistics (Kruskal-Wallis tests and Mann-Whitney U test) were utilized for assessing the significance between study variables. The association between knowledge and attitude was evaluated by using Spearman’s rank correlation coefficient.

Results: A total of 55 faculty members (70.5%) responded. Mean knowledge score was 10± 2.71. 37 (67.3%) respondents showed positive attitude towards COVID-19 while 18(32.7%) displayed negative attitude. The mean attitude score was 4.08±0.50. Significant difference was found in knowledge (p-value=0.04) and attitude (p-value=0.015) of dental faculty based on designation.

Conclusions: Qassim University dentists were mindful of the COVID-19 symptoms, means of transmission, Cross-infection control and operative protocols practiced within dental clinics. However, dentists exhibited inadequate knowledge about the specific dental procedures that safeguard the dental staff and patients from COVID-19 in context of current outbreak.

Dentistry

Knowledge

Attitude

COVID-19

cross-infection control

practice management

Human Coronaviruses have recently gained global attention after the emergence of a novel coronavirus that resulted in COVID 19 disease [1]. COVID19 is a highly contagious viral infection that is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) [2]. It is composed of a single strand of RNA, 65–125 nm in diameter. SARS-CoV-2 has crown like spikes on its outer surface that binds to receptors of target cells and facilities its entry into the host cells [3]. Additionally, its high binding affinity to the human angiotensin converting enzyme 2 receptors (ACE2) enables it to enter and target the human host cells [4].

The subgroups of coronaviruses family are alpha(α), beta(β), gamma(γ) and delta(δ) coronavirus [5]. Alpha and beta coronaviruses mainly cause disease in humans and mammals infecting their respiratory, gastrointestinal and central nervous system [3]. SARS-CoV-2 is phylogenetically related to the two highly pathogenic respiratory coronaviruses i.e Severe acute respiratory syndrome coronavirus (SARS-CoV) and Middle East respiratory syndrome coronavirus (MERS -CoV). All of these belong to β-CoV based on viral genoming [6] and are profusely present in nasopharyngeal and salivary secretions of affected individuals [7]. Initially, these viruses were believed to cause disease only in animals until the SARS-CoV triggered an outbreak in Guangdong, china in year 2002 resulting in severe acute respiratory syndrome (SARS) in humans [8]. In 2012, another pathogenic coronavirus, known as Middle East respiratory syndrome coronaviruses (MERSCoV) caused an endemic in Middle Eastern countries [9].

SARS-CoV-2 is a zoonotic pathogen that is believed to have been originated in bats and pangolins and later transmitted to humans. It can be transmitted from animal to human and then from human to human contact [6]. This particular strain of coronavirus has recently originated from a seafood market in Wuhan city, China in late December 2019. The affected patients reported with a novel viral pneumonia with classical symptoms of fever, cough, myalgia, fatigue, with abnormal chest CT. The other symptoms reported were sputum production, headache, hemoptysis, diarrhea and respiratory distress. Later, it disseminated to other parts of world leading to global emergency [10].

Novel coronavirus was officially announced as a causative agent of COVID − 19 by the Chinese Centre for Disease Control and Prevention [11]. Owing to rapid dissemination World Health Organization (WHO) affirmed COVID-19 as a public health emergency of international concern (PHEIC) [12]. Subsequently, due to continue spread at an alarming rate WHO has formally declared outbreak a pandemic disease on 11th March 2020. Up till now (April 17th, 2020) it has swept more than 205 countries globally with 2,206,535 confirmed cases and 148,651 deaths [13].

The current epidemiological data show COVID-19 has higher transmissibility than SARS-CoV and MERS-CoV. The possible routes of transmission in humans include direct contact through respiratory droplets inhalation and indirect through fomite transmission [7]. Incubation period for COVID-19 is between 2 to 14 days and it can also be transmitted through asymptomatic patients [14]. Thus, social distancing, proper hand hygiene, and surface disinfection are highly recommended to stop its rapid spread. Moreover, it was also found in saliva of infected patients. This can be attributed to its high binding capacity to ACE2 receptors which are highly concentrated in salivary glands [4].Thus, its high mutation rate, pathogenicity and numerous routes of transmission may contribute to nosocomial spread in healthcare settings especially dental offices. Up till now, no treatment or vaccine is available to treat COVID-19 disease and the main stay of the treatment is supportive care. The only critical intervention, available is preventive measures as advised by WHO is early viral testing for disease confirmation and ensuring symptomatic relief for infected patients [13].

Dental professionals and patients are at an increased risk of contracting COVID − 19 due to specific nature of dental procedures which involves frequent face to face contact with the patients, their saliva and contaminated materials. Owing to rapid spread and poor understanding of the disease, the American Dental Association has suggested that all elective dental procedures should be deferred and only patients with true dental emergencies should be catered [15]. Also, universal precautions, careful prescreening of patients and additional preventive measures are deemed necessary before treating the patients in dental settings [13].

It is mandatory for health professionals to provide good and safe patient care. Therefore, it is imperative that proper information and training sessions should be imparted to dental professionals to ensure awareness and readiness regarding this global emergency. Absence of proper training will not only delay the necessary treatment required for such patients but can contribute to rapid spread of disease. Hence, the present study aimed to explore the knowledge, and attitude of dental faculty at Qassim University, regarding novel COVID-19 disease. This survey intended to provide an insight regarding level of awareness among dentists about the Covid-19 disease and may help in shaping future guidelines, strategies, and fool proof infection control policies that wil be implemented in dental settings.

Study Design, Participants and Site

The current cross-sectional study was conducted on the Faculty at Qassim University College of Dentistry from 15th to 31st March, 2020. All the faculty members were briefed about the context and purpose of the research. An online e-survey questionnaire was administered through an electronic mail to 78 faculty members to assess their knowledge and attitudes towards the COVID-19 disease. The study instrument was devised by a panel of experts according to the guidelines proposed by WHO and CDC [13, 16, 17]. The instrument was then sent to the researchers from dental background to provide expert opinion on the ease of understanding, relevancy and time needed to fill. A second review was done and the modification in the questionnaire was carried out according to local requirements. Subsequently, a pilot study was carried out on limited sample of dental professionals (N = 6). The professionals provided suggestions on making the study instrument shorter and simpler. After a comprehensive discussion, the study instrument was finalized. The instrument was found to be reliable with the Cronbach’s alpha of 0.77. The study instrument was divided into 3 parts. The first section of the e-survey constituted demographic questions inquiring about gender, designation and specialty. The second section included 13 research questions pertaining to participants’ knowledge regarding COVID-19 disease where yes and no options were provided for each question. The third part of the survey used 9 questions to ascertain the attitude of the faculty members towards COVID-19 disease on a 5-point Likert scale that was developed with balanced responses and neutral midpoint.

The study tool assessed the awareness of faculty by probing about the mode of transmission, prevention, treatment and management of patients in the dental settings. The score for knowledge assessment ranged from 0 to13. The cutoff point of less than 9 (< 9) was set for insufficient knowledge and greater than or equal to 9 (≥ 9) for sufficient knowledge. Attitude assessment was conducted, and the responses were documented on 5 point Likert scale. A score of 5 was assigned to strongly agree, 4 to agree, 3 to undecided, 2 to disagree and 1 to strongly disagree. A mean score of ≥ 4 was taken as positive attitude whereas score of < 4 was considered as negative attitude.

Ethics, Consent And Permissions

The study was approved by the ethical committee of the Qassim University College of dentistry (Ref no ST/6074/2020). Furthermore, written consent was not obtained as the returning of filled questionnaires from respondents was taken as implied consent. Moreover, participants were informed about intent and content of study and were ensured about confidentiality of data

Statistical Analysis

Data analysis was done by using SPSS version 23 (IBM Corp, 32 Armonk, N.Y., USA). Descriptive statistics were described in terms of frequency and percentages. In order to show association between dependent and independent variables Chi -square test was employed. Statistical significance was set at less than 0.05 (p-value < 0.05). Also, the inferential statistics (Kruskal Wallis tests and Mann–Whitney U test, p < 0.05) were utilized for assessing the significance between study variables. The aforementioned non-parametric tests (Kruskal Wallis tests and Mann–Whitney U test) were applied because of smaller sample size. Spearman’s rank correlational coefficient was used to appraise any link between knowledge and attitude. (p < 0.05).

A total of 55 faculty members, 31 females and 24 males, responded out of 78. About 74% of the participants belonged to clinical specialties and majority of the respondents were Lecturers (38.2%). The distribution of respondents’ characteristics is shown in Table 1.

Table 1

Distribution of faculty members according to their characteristics
Descriptions	Faculty Members N (%)
Gender
Female	31(56.4)
Male	24(43.6)
Designation
Associate Prof/Professor	17(30.9)
Assistant Professor	17(30.9)
Lecturer	21(38.2)
Specialty
Preclinical	14(25.5)
Clinical	41(74.5)
Knowledge of COVID19	Correct Answer N (%)	Incorrect Answer N (%)
Mode of transmission of COVID 19 is Fomite transmission and by respiratory droplets.	54(98.2)	1(1.8)
WHO suggests that washing hands with water and soap for minimum 20 secs can help in the prevention of disease transmission	45(81.8)	10(18.2)
Tele- screening via phone is recommended as first line of action to identify patients with possible COVID 19	39(70.9)	16(29.1)
Urgent dental care includes severe toothache, cellulitis, Ludwig’s angina, uncontrolled bleeding and Oro-facial trauma	53(96.4)	2(3.6)
Most effective mouth wash as a pre- rinse to protect against COVID 19 infection is 1% hydrogen peroxide	21(38.2)	34(61.2)
Four handed dentistry is highly recommended for controlling the spread of disease	42(76.4)	13(23.6)
Face shields and eye wear are essential while examining the patients	50(90.9)	5(9.1)
Ultrasonic devices can be safely used in dental office for patients	34(61.2)	21(38.2)
After extraction resorbable sutures should be used in patients	41(74.5)	14(25.5)
N -95 mask is essential while examining the patients	42(76.4)	13(23.6)
Rubber dam isolation is a prerequisite for every patient	43(78.2)	12(21.8)
High volume suction is mandatory in dental practice	44(80)	11(20)
Antibiotics are the first line of treatment	41(74.5)	14(25.5)

Overall the mean knowledge score of the participants was 10 ± 2.71. Sufficient knowledge was exhibited by 72.7% of respondents whereas 27.3% displayed insufficient knowledge. The study participants showed excellent knowledge (between 98–80%) for the stems that enquired about mode of transmission, urgent dental care procedures, significance of PPE while patient examination, use of high volume suction and WHO guidelines regarding hand hygiene. On the other hand, knowledge was good to fair (between 80–70%) for questions regarding rubber dam isolation, use of N95 masks, four handed dentistry, extraction protocol, antibiotic use and tele screening. Lastly, inadequate knowledge was evident in reaction to two questions, one regarding safety of use of ultrasonic in Covid-19 suspected patients and the other was related to efficacy of 1% of hydrogen peroxide mouthwash as a pre-rinse. Response was 61.2% and 38.2% respectively. Table 2 describes knowledge of participants regarding COVID- 19 disease in detail.

Table 2

Knowledge of Faculty members about COVID 19
Items	Faculty’s Responses^* N (%)					p-value
Items	SA	A	U	D	SD	Gender²	Designation³	Specialty²
1) Are you scared of getting infected with Covid − 19 from a patient or a co -worker?^a	19(34.5)	24(43.6)	7(12.7)	4(7.3)	1(1.8)	0.78	0.74	0.44
2) Are you anxious of providing treatment to a patient who is suspected of being infected with Covid 19? ^b	11(20%)	26(47.3)	8(14.5)	6(10.9)	4(7.3)	0.93	0.62	0.16
3) Currently every patient's travel history and body temperature should be taken before performing any dental procedure^c	36(65.4)	16(29.1)	2(3.6)	0(0)	1(1.8)	0.27	0.46	0.48
4) Relevant medical history i.e respiratory illness like cough, sputum, fever, difficulty in breathing should be sought for every patient^d	40(72.7)	13(23.6)	0(0)	0(0)	2(3.6)	0.35	0.09	0.60
5) Only emergency dental procedures should be carried out in current circumstances^e	45(81.8)	8(14.5)	0(0)	0(0)	2(3.6)	0.25	0.77	0.47
6)Aerosol generating procedure such as use of triple syringe should be minimized as much as possible^f	33(60)	12(21.8)	9(16.4)	0(0)	1(1.8)	0.10	0.001¹	0.12
7) Chemo mechanical methods should be used for caries removal in patients with Irreversible pulpitis^g	10(18.2)	19(34.5)	19(34.5)	5(9.1)	2(3.6)	0.16	0.03¹	0.82
8) Would you like to attend any training sessions to handle any untoward Covid 19 situation?^h	17(30.9)	22(40)	11(20)	3(5.4)	2(3.6)	0.67	0.45	0.78
9) Would you like to volunteer for working in support of medical teams in case of emergency?ⁱ	11(20)	13(23.6)	21(38.2)	8(14.5)	2(3.6)	0.38	0.43	0.93
Posthoc ¹Tukey
Derived from ²Chi-square test and ³Kruskal Wallis test
^*Strongly disagree = SD; Disagree = D; Undecided = U; Agree = A; Strongly agree = SA

Attitude of the respondents is summarized in Table 3. Of 55 respondents, 37 (67.3%) showed positive attitude (≥ 4) towards COVID-19 while 18 respondents (32.7%) displayed negative attitude (< 4) regarding disease. The mean attitude score was in range of 4.08 ± 0.50. Overall faculty showed positive attitude when asked about fear of getting infected with COVID 19, treating only emergency cases, seeking patient’s relevant medical history, asking about recent travel, checking body temperature and avoiding procedures that cause aerosol production. Conversely, the most negative attitude (3.42 ± 1.08) was noted when the faculty was asked if they would like to volunteer their services in support of medical teams in case of future emergencies. Moreover, mean scores were found to be < 4 in questions related to anxiety, caries removal and training sessions. Significant correlation was noted between designation and attitude for items number 6 (p-value = 0.001) and 7 (p-value = 0.03).

Table 3

Attitude of Faculty Members towards COVID 19
Description	N (%)	Knowledge score (Mean ± SD)	Mean Rank	p-value	Attitude score (Mean ± SD)	Mean Rank	p-value
Gender**
Male	24(43.6)	10.42 ± 2.2	29.60	0.51	4.12 ± 0.40	28.06	0.98
Female	31(56.4)	9.68 ± 3.04	26.76	0.51	4.05 ± 0.63	27.95	0.98
Designation^*
Associate Prof/Professor	17(30.9)	11 ± 2.06	34.21	0.04	4.18 ± 0.38	30.53	0.015
Assistant Professor	17(30.9)	10.10 ± 2.83	28.81		4.18 ± 0.65	33.33
Lecturer	21(38.2)	8.88 ± 2.85	20.79		3.85 ± 0.46	18.88
Specialty^**
Preclinical	14(25.5)	9.86 ± 3.18	28.91	0.95	3.99 ± 0.66	27.36	0.86
Clinical	41(74.5)	10.05 ± 2.56	27.93	0.95	4.11 ± 0.50	28.22	0.86
Kruskal Wallis Test (p < 0.05). *Mann Whitney Test (p < 0.05).

In table 4, the relationship of demographic characteristics with mean attitude and knowledge amongst dental faculty is displayed. Results of the present study showed no significant correlation of gender and specialty with both knowledge and attitude. However, a meaningful disagreement was found in knowledge and attitude of dental faculty on the basis of designation. The results showed that Professors/associate professors were equipped with better knowledge and attitude regarding COVID-19 disease than lecturers. Spearman correlation showed significant positive correlation between the knowledge level and attitude of faculty members about COVID-19 (r = 0.557, p value = 0.01)

Description	N (%)	Knowledge score (Mean ± SD)	Mean Rank	p-value	Attitude score (Mean ± SD)	Mean Rank	p-value
Gender**
Male	24(43.6)	10.42+2.2	29.60	0.51	4.12+0.40	28.06	0.98
Female	31(56.4)	9.68+3.04	26.76	0.51	4.05+0.63	27.95	0.98
Designation^*
Associate Prof/Professor	17(30.9)	11+2.06	34.21	0.04	4.18+0.38	30.53	0.015
Assistant Professor	17(30.9)	10.10+2.83	28.81		4.18+0.65	33.33
Lecturer	21(38.2)	8.88+2.85	20.79		3.85+0.46	18.88
Specialty^**
Preclinical	14(25.5)	9.86+3.18	28.91	0.95	3.99+0.66	27.36	0.86
Clinical	41(74.5)	10.05+2.56	27.93	0.95	4.11+0.50	28.22	0.86

*Kruskal Wallis Test (p < 0.05). **Mann Whitney Test (p < 0.05).

Table 4
Mean Score of Knowledge and Attitude

Pandemic of COVID-19 has led to global crisis. The rapid surge of COVID-19 disease has not only raised widespread public health concerns but has collapsed world’s economy. It has put immense strain on social stability and the global health systems, particularly challenging the health care workers including the Dental care professionals (DCP). It is, therefore, crucial that prudent information should be relayed to health care professionals in the time of this global emergency. Considering this, the current study investigated the knowledge and attitude of dental faculty towards the COVID-19 disease. To date, only limited studies are reported that explored dentist’ awareness and attitude towards COVID-19 contagion. Due to scare data available, the comparison of our outcomes has been done mainly with other associated conditions.

The current study revealed generally adequate knowledge and positive attitude of Qassim University dental faculty towards the COVID-19 disease. Most of the participants exhibited sufficient knowledge about questions related to mode of disease transmission, urgent dental care procedures, significance of PPE while examination, use of high volume suction and WHO guidelines regarding hand hygiene. These outcomes are in accordance with the results reported by Khader et al. in their study on the Jordanian dentists [18]. Moreover, the findings are consistent with outcomes of other studies in which Health care workers showed positive attitude and adequate implementation of personal protective equipment and hand disinfection protocol whiling dealing with SARS-CoV and MERS-CoV[19, 20, 21]. These outcomes are promising as good hygiene practices and disinfection can cause decrease in morbidity and death rate. This level of awareness can be attributed to the comprehensive awareness campaigns run by International and National health authorities. We are living in a world where the social media has revolutionized communications. Social networks have become the central facilitator for daily transmission by emerging as a powerful communication medium [22]. However, the DCP’s should be well informed about the unverified harmful information that can disseminate quickly and can result in the misguidance. Considering this, the scientists and health authorities have cautioned the DCPs should carefully assess the information related to COVID-19 and should utilize only the authentic and scientific literature as a source of information [23, 24].

On the other hand, with regard to the questions related to rubber dam isolation, four handed dentistry [25, 26], use of N95 mask, role of antibiotics, tele-screening and recommended extraction protocol, faculty exhibited moderate knowledge. Possible explanation for these findings could be the knowledge gap and poor understanding of disease transmission via high aerosol production during dental procedures. These results are comparable to some of the studies which concluded that dentists’ knowledge of respiratory disease contagion and its management was less as compared to other healthcare providers [27], despite their proximity to the patient during treatment [28]. Likewise, in a study conducted in Qassim in perspective of MERS, majority of health workers (57.6%) replied incorrectly when asked whether antibiotics are first choice drugs [21]. This outcome is comparable with the result of another study where 40% of participants gave negative response when asked about specialized management protocols [29]. This might be due to the inadequate briefing of the relevant authorities on the management issues during the educational campaign. Moreover, moderate knowledge about the aforementioned questions in our study might be due to the fact that in Saudi Arabia after the outbreak of COVID-19 more seminars are held for medical healthcare workers as compared to dentist community. Inadequate knowledge was ostensible in reply to two questions, one regarding safety of use of ultrasonic in Covid-19 suspected patients and the other was related to efficacy of 1% of hydrogen peroxide mouthwash as a pre-rinse.

Moreover, further insight into the study showed a positive mean value in attitude domain. These results are consistent with other studies which showed mean positive attitude of physicians [30, 31]. Dental faculty showed most affirmative response and positive attitude in reply to questions about anxiousness regarding cross infectivity, to accommodate only emergency cases, seeking patient’s relevant medical and travel history and minimization of aerosol generating procedures. The anxiety of our faculty regarding cross infectivity are contradictory to results of recent study, where most of the dentists (71.7%) perceived COVID-19 as moderately dangerous disease and almost one third believed that COVID-19 is not a serious public health issue. Although same study concluded that dentists should evaluate patients through measurement of the body temperature as a routine procedure and should be asked about any history of recent contact or travel [18], and these results are in accordance with our study. These findings are also in harmony with another study in which health care workers displayed positive attitude in using personal protective gear and were adamant that goggles and gloves should be worn when dealing with healthcare related nosocomial infections [32].

The most negative attitude was seen in question no 9 (3.42 ± 1.08) in which faculty was asked if they would like to volunteer their services in support of medical teams in case of future emergency. So far, there is no comparable data to assess the attitude of dentists about their involvement in COVID-19 emergency support teams but there is one recent study, which has presented model of dental outreach program in case of any untoward emergency situation in current diseases outbreak [33].

In present study mean scores were also found to be negative (less than 4) in question no 7 and 8, regarding willingness of dental faculty to attend any training sessions to handle any untoward Covid 19 situation. The reason for this negative response may be wrong perception of faculty, to link these training sessions as part of building volunteer teams. It was noticed that experience was appreciably linked with attitude, as senior faculty responded more positively as compared to younger ones, and this finding is comparable to study done during MERS outbreak in Middle East [21].

The relationship of demographic data with mean awareness and attitude was analyzed and results showed no significant correlation among the demographic variables, gender and specialty. These results are supported by literature which does not support the connection of gender with the awareness and attitude of healthcare workers [34]. Although, the correlation of experience with awareness and attitude, has been stated meaningful by studies [35]. Our study also exhibited a significant disparity in knowledge (p-value = 0.04) and attitude (p-value = 0.015) of dental faculty with respect to their designation. Professors/Associate professors were equipped with better knowledge and attitude regarding COVID19 disease than lecturers. This can be attributed to vision and experience of senior faculty members earned through years than the lecturers who are relatively young and new to the field.

The aforementioned findings, endorses meaningful association of awareness and attitude of dental faculty with regard to COVID − 19. In light of this, it could be inferred that dentists depicting positive attitude are highly determined to gain information and to enhance their knowledge and skills to fight against disease. This can be rationalized by the philosophy of Reasoned Action, which states that an individual’s intent to a particular action depends on their attitude towards that conduct [36]. Nevertheless, more extensive studies in future should be undertaken to explain possible correlation between knowledge and attitude displayed by dental faculty at Qassim. The merits of this study lie in its concept of addressing current pandemic dilemma and highlighting the area where little research has been done until now.

The key results of present study may be used to create awareness in designing efficient infection control measures of COVID-19. However, our study has certain limitations, the lower than expected response rate of faculty and short period of data collection has led to comparatively smaller sample size. Moreover, this pandemic has affected every aspect of life and caused many to be busy in making personal, official, and financial arrangements. This could have been resulted in selection bias and sampling error, which may limit the ability to generalize our results. Future studies are required in this context.

In summary, Qassim University dentists were mindful of the COVID-19 symptoms, means of transmission, Cross-infection control and operative protocols practiced within dental clinics. However, dentists exhibited inadequate knowledge about the specific dental procedures that safeguard the dental staff and patients from COVID-19 in context of current outbreak. Study recommends establishment of focused dental education drives to span the gap between the current and the requisite knowledge, to influence their attitude positively towards COVID-19.

Competing interests

The authors declare that they have no competing interests.

Funding

Not Applicable

Authors’ contributions

AMK and SN designed the study, MQJ and AMK collected the data, MQJ conducted data analysis, all authors contributed to writing. The authors read and approved the final manuscript.

Acknowledgements

We wish to thank the faculty members who participated in the study.

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Dental Faculty’s Knowledge and Attitude regarding COVID-19 disease in Qassim, Saudi Arabia

Status:

Version 1

Abstract

Background

Methods

Study Design, Participants and Site

Ethics, Consent And Permissions

Statistical Analysis

Results

Discussion

Conclusions

Declarations