Assessing dose-response effects of national essential medicine policy in China: comparison of two methods for handling data with a stepped wedge-like design and hierarchical structure
Conclusions
For examining dose–response effect based on data from multiple time points with hierarchical structure and the stepped wedge-like designs, multilevel RM models are more efficient, convenient and informative than the multilevel DID models.
Source: BMJ Open - Category: Journals (General) Authors: Ren, Y., Yang, M., Li, Q., Pan, J., Chen, F., Li, X., Meng, Q. Tags: Open access, Health policy, Health services research, Public health, Research methods Source Type: research