Global health action · 2026
Exploring booster vaccine hesitancy: evidence from the COVID-19 in Hong Kong.
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Jin Jiahui, Lai Daniel W L, Yan Elsie
Аннотация
BACKGROUND: The COVID-19 pandemic showed that effective pandemic prevention may require repeated vaccination. However, booster uptake can be influenced by psychosocial factors, particularly during a prolonged public health crisis.
OBJECTIVE: This study examined factors associated with adults' willingness to receive an additional COVID-19 vaccine dose in Hong Kong.
METHODS: Data were drawn from the fourth-wave follow-up survey of a longitudinal study and analyzed cross-sectionally using multinomial logistic regression.
RESULTS: A total of 689 participants were analyzed: 401 (58.2%) were willing to receive an additional dose, 130 (18.9%) refused, and 158 (22.9%) were undecided. Relative to being undecided, higher pandemic fatigue (OR = 1.630, 95% CI: 1.256-2.115) and lower trust in authorities (OR = 0.602, 95% CI: 0.471-0.769) were statistically significantly associated with greater odds of refusal, whereas greater perceived convenience of preventive measures was statistically significantly associated with greater odds of acceptance (OR = 1.288, 95% CI: 1.011-1.640). Higher daily hassles were statistically significantly associated with increased odds of both refusal (OR = 1.578, 95% CI: 1.150-2.163) and acceptance (OR = 1.257, 95% CI: 1.005-1.572), indicating a bidirectional relationship, and the association with acceptance held only among those who perceived measures as less convenient. Among demographic factors, only age was significant, with younger participants more likely to remain undecided than older participants.
CONCLUSIONS: The findings highlight the role of everyday pandemic experiences in shaping vaccination decisions. Improving the convenience and manageability of preventive measures may help promote booster vaccine uptake in future pandemic contexts.
OBJECTIVE: This study examined factors associated with adults' willingness to receive an additional COVID-19 vaccine dose in Hong Kong.
METHODS: Data were drawn from the fourth-wave follow-up survey of a longitudinal study and analyzed cross-sectionally using multinomial logistic regression.
RESULTS: A total of 689 participants were analyzed: 401 (58.2%) were willing to receive an additional dose, 130 (18.9%) refused, and 158 (22.9%) were undecided. Relative to being undecided, higher pandemic fatigue (OR = 1.630, 95% CI: 1.256-2.115) and lower trust in authorities (OR = 0.602, 95% CI: 0.471-0.769) were statistically significantly associated with greater odds of refusal, whereas greater perceived convenience of preventive measures was statistically significantly associated with greater odds of acceptance (OR = 1.288, 95% CI: 1.011-1.640). Higher daily hassles were statistically significantly associated with increased odds of both refusal (OR = 1.578, 95% CI: 1.150-2.163) and acceptance (OR = 1.257, 95% CI: 1.005-1.572), indicating a bidirectional relationship, and the association with acceptance held only among those who perceived measures as less convenient. Among demographic factors, only age was significant, with younger participants more likely to remain undecided than older participants.
CONCLUSIONS: The findings highlight the role of everyday pandemic experiences in shaping vaccination decisions. Improving the convenience and manageability of preventive measures may help promote booster vaccine uptake in future pandemic contexts.