The present study was conducted in Lebanon, prior to the initiation of the COVID-19 vaccines program, to examine the COVID-19 vaccine acceptance rates and the determinants of the HCWs and non-HCWs’ intention to receive the future COVID-19 vaccine. To the best of our knowledge, this is the first study to assess HCWs and non-HCWs’ willingness to vaccinate against COVID-19 and to explore if there is any difference between the determinants of this willingness among these 2 groups, based on an integrative model combining the HBM constructs, the sociodemographic characteristics, the health related-variables, the previous vaccination behavior and the intention to vaccinate.
The results of the present study showed that the overall intention to receive a COVID-19 vaccine among Lebanese population was moderate (51.5%). This finding comes in consistency with the results of studies conducted in Kuwait (53.1%) [34] and Qatar (45%-60%) [35]. However, it is higher than acceptance rate reported among Jordanian (28.4%) [25] and lower than in Saudi Arabia (64.7%) [36]. Compared to developed countries, our rate of vaccine acceptance was lower than the rates reported in United States (67%) [37], Japan (62.1%) [38], Ireland (65%) [39], and the United Kingdom (69%) [39]. However, an acceptance vaccine rate around 70% was reported by a previous survey conducted in Lebanon in April 2020 [39]. This was predicted since the study asked about a hypothetical vaccine which was not yet developed, tested or approved. On the other hand, HCWs expressed higher intention of getting vaccinated against COVID-19 than non-HCWs (65.8% vs. 47%) [39]. These results were compatible with the findings of a study conducted in China that revealed a higher vaccine uptake among HCWs compared to non-HWCs [40]. This low vaccination rate among non-HCWs should drive the Lebanese government to raise awareness about the importance of vaccination in controlling the pandemic.
Our results showed that the majority of the Lebanese population perceived themselves susceptible to get infected by COVID-19 but less than 10% of them perceived the severity of the disease. Besides, most of the Lebanese adults were knowledgeable about COVID-19 and expressed positive attitude towards the benefits of vaccines. In respect of HCWs, they expressed higher perception of susceptibility to infection, higher perception of vaccine benefits and higher compliance to cues to action than non-HCWs. Compared to non-HCWs, they had a higher knowledge score and a lower perception of barriers and disease severity.
In terms of sociodemographic characteristics associated with COVID-19 vaccine acceptance, our findings showed that the willingness to vaccinate was lower in females among the general population and the non-HCWs group. Several studies conducted in different countries such as France [41], Australia [42], UK [43], and the US [44] showed that females were more prone to be reluctant towards COVID-19 vaccination than males. This could be related to the fear instigated by the novelty and uncertainty of the vaccine in addition to its possible side effects. In addition, older age was positively associated with higher tendency to get vaccinated among HCWs and non-HCWs. Our findings are generally compatible with the results of studies conducted globally and in the neighboring countries. However, Kuwait and Qatar, showed an increased trend in hesitancy in older populations [34, 45]. Regarding the factors associated with willingness to get vaccinated against COVID19 among HCWs, consistently with our findings, a study showed that older subjects (above 60 years of age) were more willing to get vaccinated [46].
Our findings showed also that being married compared to single was significantly associated with higher odds of intention to get vaccinated among HCWs and non-HCWs. Our results were comparable to the findings of a study conducted in China [47]. Given that vaccine could reduce COVID-19 complications and since married individuals hold the responsibility to protect themselves and their families from COVID-19 infection, hence they showed a higher tendency to adopt preventive measures such as vaccination against COVID-19.
In addition, living in urban was also associated with higher willingness to vaccinate comparing to subjects living in rural areas. Hence, vaccine hesitancy in rural areas constitute a major barrier which potentially hampering the progress toward ending the pandemic. Health authorities are urged to address vaccine hesitancy among people residing in rural areas to achieve vaccination equity.
Regarding individuals’ health status and experiences with COVID-19, our study showed that a previous infection by COVID-19 or infection of a close contact (colleague, friend, family member..) as well as health status didn’t affected significantly the vaccine acceptance. Our findings were consistent with the result of a meta-analysis that found that neither personal history of infection nor history of infection in a close contact were consistently associated with vaccine acceptance [48].
Concerning past vaccine behavior, vaccinations against seasonal influenza in the current year were correlated with the decision to get vaccinated against COVID-19 among both HCWs and non-HCWs. Our results were consistent with previous studies that explored the COVID-19 vaccine uptake among the general public [49]. However, a previous history of vaccine refusal was associated with lower odds of willingness to vaccinate.
The current study also revealed that the HBM domains including perception of susceptibility, benefits, cues to action and barriers were found to be significant determinants of the intention to receive a COVID-19 vaccine among HCWs and non-HCWs. A study conducted among HCWs in Asia showed that susceptibility was considered an important factor influencing the intention of getting vaccinated against COVID-19 [50].
In terms of cues to action our study showed that HCWs and non-HCWs were more motivated to get vaccinated if this is recommended by health authority. Several cues to action have been found to encourage non-HCWs such as the recommendation of vaccine by a family member or when a large proportion of the public received the vaccine. Previous studies mentioned that some individuals including HCWs refused to be vaccinated in the first round and would prefer to wait and see if there is any side effects [51]. Hence, there is need that health authorities issued recommendations for COVID-19 vaccine and raised awareness in order to build confidence towards new vaccine in order to encourage both HCWs and non HCWs to get vaccinated. Several studies highlighted the importance of internal or external triggers, particularly encouragement in improving intention of getting vaccinated especially in the context of influenza [52].
Our study also revealed that HCWs and non-HCWs that had high perceived benefits of COVID-19 vaccine were more likely to get vaccinated. Keeping positive attitudes towards the benefits of COVID-19 vaccine in terms of protecting themselves and others is crucial particularly for HCWs as they serve as a role model to patients. This finding is consistent with previous studies showing that positive attitude toward the vaccine play an important role in the vaccine uptake [53].
In terms of barriers, concerns reported by HCWs and non-HCWs regarding the safety of vaccine and side effects were associated with lower odds of intentions of getting vaccinated. Our results were comparable to those reported in previous studies [54]. HCWs expressed other concern concerning the duration of immunity that affect negatively their willingness to vaccinate. Given that there was a lack of social information regarding the effectiveness, safety and quality of the COVID-19 vaccine at the time of conducting this study, non-HCWs reported a higher level of concerns about reliability of manufacturer than did medical HCWs.
Our findings highlight the importance of public awareness measures and vaccination campaigns that address the safety of the vaccine to lessen concerns about vaccine safety and efficacy rather than discussing the severity of the disease. Repeated assessments of COVID-19 vaccine uptake, are recommended since perceptions and concerns may be changing rapidly over time. Given the large number of refugees in Lebanon and their multiple vulnerabilities, future studies targeting vaccination among refugees in Lebanon are needed.
Limitations
Several limitations in this study should be acknowledged. The cross-sectional design of the study does not allow us to infer causality. Selection bias is possible due to the snowball technique that was used to collect data which limits the generalizability of the findings. The collected data was based on self-reported information which makes it prone to social desirability. Recall bias could have occurred particularly for the questions related to past behavior. In addition, the study was conducted before the vaccine was available and information on vaccine efficiency and safety at that point were not accurate. Thus, the actual vaccine uptake against COVID-19 could change once the vaccine becomes available.