Relationship among service accessibility, social norms, herpes zoster vaccination intention of middle-aged and older adults in Chongqing: mediating role of perceived usefulness.

ABSTRACT:

Objective

The study aims to explore the relationship of vaccination service accessibility, social norms, and perceived usefulness on the intention to get the herpes zoster vaccine (HZV) among middle-aged and older adults, and to provide suggestions for promoting the health and disease prevention of this population.

Methods

A questionnaire was developed based on the Stimulus-Organism-Response (SOR) theory. Utilizing stratified random and convenience sampling, the study enrolled participants aged 45 years and above. A structural equation modeling approach was employed to explore the relationships among external factors, perceived usefulness and vaccination intention among the surveyed population.

Results

Ultimately, a datasets consisting of 481 valid samples was obtaine

SUBMITTER: Deng Y 

PROVIDER: S-EPMC12510921 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature