Parental refusal and hesitancy of vaccinating children against COVID-19: Findings from a nationally representative sample of parents in the U.S

The attitude of the unvaccinated children's parents toward pediatric COVID-19 vaccination in Tabriz, Iran

BACKGROUND

The COVID-19 vaccination has played a crucial role in combating the pandemic, yet vaccine hesitancy remains a significant barrier to achieving herd immunity. This challenge is particularly pronounced in specific cultural and geographic contexts. Understanding the reasons for parental reluctance to vaccinate their children is essential for developing effective public health strategies. This study aimed to assess the attitudes of parents with unvaccinated children aged 5-12 years toward COVID-19 vaccination and to explore their reasons for not vaccinating their children, despite having access to vaccination programs, in Tabriz, Iran.

METHOD

This cross-sectional study, conducted between March and August 2022 in Tabriz. A random sample of 400 parents was selected from five healthcare centers using a cluster sampling method in conjunction with the Iranian SIB system. To gather data, a questionnaire was developed based on a comprehensive literature review and interviews with local parents. The questionnaire's content validity was established through expert review, and its internal consistency reliability was assessed, yielding a Cronbach's alpha of 0.85, indicating good reliability. Statistical analysis was performed using one-way ANOVA, chi-square, and Fisher's exact tests to explore associations between demographic factors and vaccine hesitancy. Multiple logistic regression was employed to identify significant predictors of parents' reluctance to vaccinate their children. Additionally, the reasons for unwillingness were reported for hesitant and unwilling parents and compared using the chi-square test.

RESULT

Out of 400 parents of unvaccinated children, 263 parents (65.8%) were definitely unwilling, 21 (5.3%) were hesitant, and 116 (29.0%) were accepting to vaccinate their children against COVID-19. The analysis revealed that parents of children with underlying diseases were more hesitant or unwilling to vaccinate (OR = 1.77, (95% CI: (0.93, 3.42), P-value = 0.07). Additionally, mothers were more hesitant or unwilling than fathers (OR = 2.24, 95% CI: (1.42, 3.53), P-value = 0.001). The top three concerns among the unwilling and hesitant parents were the side effects of COVID-19 vaccination for children (reported by over 81.0%), the perception that vaccination could decrease the disease process (over 46.0%), and the lack of valid information about the side effects (above 42.9%). Furthermore, an important reason for unwillingness among unwilling parents was a lack of trust in the available vaccines (40.5%).

CONCLUSION

Parents' willingness to vaccinate their children against COVID-19 in Tabriz was low, primarily due to concerns about the potential side effects of the vaccine. To address this issue, culturally sensitive public health campaigns should be designed that specifically target these concerns and involve trusted community figures. These initiatives could help reduce vaccine hesitancy, particularly among mothers and parents of children with underlying health conditions.

Preferences for COVID-19 Vaccines: Systematic Literature Review of Discrete Choice Experiments

BACKGROUND

Vaccination can be viewed as comprising the most important defensive barriers to protect susceptible groups from infection. However, vaccine hesitancy for COVID-19 is widespread worldwide.

OBJECTIVE

We aimed to systematically review studies eliciting the COVID-19 vaccine preference using discrete choice experiments.

METHODS

A literature search was conducted in PubMed, Embase, Web of Science, Scopus, and CINAHL Plus platforms in April 2023. Search terms included discrete choice experiments, COVID-19, and vaccines and related synonyms. Descriptive statistics were used to summarize the study characteristics. Subgroup analyses were performed by factors such as high-income countries and low- and middle-income countries and study period (before, during, and after the pandemic wave). Quality appraisal was performed using the 5-item Purpose, Respondents, Explanation, Findings, and Significance checklist.

RESULTS

The search yield a total of 623 records, and 47 studies with 53 data points were finally included. Attributes were grouped into 4 categories: outcome, process, cost, and others. The vaccine effectiveness (21/53, 40%) and safety (7/53, 13%) were the most frequently reported and important attributes. Subgroup analyses showed that vaccine effectiveness was the most important attribute, although the preference varied by subgroups. Compared to high-income countries (3/29, 10%), a higher proportion of low- and middle-income countries (4/24, 17%) prioritized safety. As the pandemic progressed, the duration of protection (2/24, 8%) during the pandemic wave and COVID-19 mortality risk (5/25, 20%) after the pandemic wave emerged as 2 of the most important attributes.

CONCLUSIONS

Our review revealed the critical role of vaccine effectiveness and safety in COVID-19 vaccine preference. However, it should be noticed that preference heterogeneity was observed across subpopulations and may change over time.

TRIAL REGISTRATION

PROSPERO CRD42023422720; https://tinyurl.com/2etf7ny7.

COVID-19 vaccine confidence, concerns, and uptake in children aged 5 and older in Calgary, Alberta: a longitudinal cohort study

Objectives

Beginning early in the pandemic, there was a worldwide effort to develop effective vaccines against the SARS-CoV-2 virus. Before and after the approval and implementation of vaccines, there were concerns about their need as well as their safety and rapid development. We explored child demographic characteristics and parental concerns to identify factors associated with the decision to vaccinate.

Methods

A cohort of 1035 children from Calgary was assembled in 2020 to participate in 5 visits every 6 months for survey completion and blood sampling for SARS-CoV-2 antibodies. Visits 1 to 2 occurred before approval of vaccines for children; Visits 3 to 5 occurred after vaccine approval for different age groups. We described vaccine concerns and utilized logistic regression to examine factors associated with the decision to vaccinate in children ≥5 years of age.

Results

Children ≥12 years of age, of non-white or non-black ethnicity, and who had received previous influenza vaccines had higher odds of being vaccinated against SARS-CoV-2. Children with previous SARS-CoV-2 infection had lower odds of being vaccinated. The most common concerns in early 2021 were about vaccine safety. By summer 2022, the most common concern was a belief that vaccines were not necessary. Through the study 88% of children were vaccinated.

Conclusions

Age, ethnicity, previous infections, and vaccine attitudes were associated with parental decision to vaccinate against SARS-CoV-2. For children who remained unvaccinated, parents continued to have safety concerns and questioned the necessity of the vaccine. Complacency about the need for vaccination may be more challenging to address and overcome than concerns about safety alone.

Utility of the Theory of Planned Behaviour for predicting parents' intentions to vaccinate their children against COVID-19

Vaccination is a crucial form of primary prevention, and it is important to understand the factors that influence parents' decisions to vaccinate their children. The current study examines the utility of the Theory of Planned Behaviour (TPB) and anticipated affect for explaining parents' intentions to vaccinate their children against COVID-19. Parents (N = 843) living in the United States completed an online survey. The TPB variables explained 65% of the variability in parents' intentions. In addition to all three of the TPB antecedents predicting vaccine intentions, both anticipated regret of not vaccinating and anticipated positive emotions of vaccinating were associated with parent intentions. Contrary to predictions, subjective norms were a stronger predictor of intentions when perceived behavioural control was lower compared to higher. These findings help further our understanding of parent-for-child vaccine decisions in the context of novel health threats and inform intervention efforts aimed at encouraging this behaviour.

Sociodemographic factors and attitudes associated with Australian parental acceptance of paediatric COVID-19 vaccination

INTRODUCTION

The COVID-19 vaccine coverage among children in countries where COVID-19 vaccines are recommended has been suboptimal. Conflicting information in the media leads to parental anxiety and confusion around COVID-19 vaccination in children. The scepticism expressed by certain experts regarding the importance of COVID-19 vaccines in children has also had a negative impact on parental attitudes towards COVID-19 vaccination. This study aimed to understand parental concerns and preferences for paediatric COVID-19 vaccination, and identify potential vaccination promotion ("nudge") interventions to optimise paediatric COVID-19 vaccine uptake.

METHODS

Mixed methods including Focus Group Discussions and a Discrete Choice Experiment survey were used. The Discrete Choice Experiment survey design was based on a literature review and the findings of Focus Group Discussions. The study was conducted on a nationally representative sample of parents in Australia.

RESULTS

In total, 1039 parents participated in the study. Parents showed strong preferences for a COVID-19 vaccine with lower risk of serious side effects and longer protection duration, followed by higher vaccine effectiveness and delivery via oral tablets. Promotion strategies were similarly preferred by parents. Latent class logit analysis identified three groups, interpretable as COVID-19 vaccine "accepters (35.3%)", "deliberators (31.7%)", and "rejecters (33.1%)". The "deliberators" composed of more parents, residing in metropolitan areas, having concerns about vaccine effectiveness, and believing that disease risks outweigh vaccine benefits than the "accepters". The "rejecters" were more likely to not be vaccinated themselves, and generally have less trust in vaccines than the "accepters". The "deliberators" and "rejecters" were less likely to be parents aged ≥25 years and complete final year of high school than the "accepters".

CONCLUSIONS

Parents' sociodemographic factors and vaccine perceptions were associated with different levels of acceptance toward paediatric COVID-19 vaccination, which may help to better understand how to "nudge" vaccine hesitancy.

A Social Cognitive Theory Approach to Understanding Parental Attitudes and Intentions to Vaccinate Children during the COVID-19 Pandemic

The distribution of the COVID-19 vaccine represents a path towards global health after a worldwide pandemic. Yet, the U.S. response to the vaccination rollout has been politically polarized. The aim of this paper is to contribute to the understanding of the contextual factors that influence parents' attitudes towards health officials and their intention to vaccinate children, focusing on communication behaviors, personal factors, and geographic locations. We use Bandura's triadic reciprocal determinism (TRD) model which posits reciprocal influence between personal factors, environmental factors, and behaviors. We found that personal factors (having younger children and identifying as Republican partisans), and the behavioral factor of conservative news use were significantly related to more negative attitudes towards health officials and lower vaccination intentions. Conversely, Democrats and liberal news use were significantly related to warmer attitudes and greater vaccination intentions. The environmental factor of geographic location across four states with different partisan dynamics was not significantly related to attitudes and behavioral intentions. Results from a post-hoc analysis show that news media use and partisanship were the strongest correlates of parents' attitudes towards health officials. This evidence points to the politicization of the COVID-19 vaccine being a key consideration regarding vaccine uptake.