Limited discriminant validity of health belief and 3C models in high HPV vaccine coverage settings: the moderating role of hukou and structural barriers
Background Whether traditional health belief models (HBM) and 3C models can distinguish residual non-vaccinators in settings with >70% HPV vaccine coverage is unknown. The moderating role of China’s household registration (hukou) on psychological factors and behavior has rarely been quantified. Methods From April 2025...