Mechanisms influencing generic drug substitution behavior under the national centralized drug procurement policy.

ABSTRACT:

Background

As a key component of China's healthcare reform, the national centralized drug procurement (NCDP) policy has significantly influenced physician behavior regarding generic substitution. Therefore, it is essential to investigate the mechanisms underlying physicians' decisions to prescribe bid-winning generics under the NCDP, to provide empirical evidence for policy optimization, and to support the broader implementation of generic substitution strategies.

Methods

Drawing upon the theory of planned behavior (TPB), a conceptual model was developed, and a corresponding scale was constructed. Structural equation modelling (SEM) was employed to examine the influencing mechanisms, focusing on the relationships among subjective attitude, subjective norms, perceived behavio

SUBMITTER: Lin F 

PROVIDER: S-EPMC12418799 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature