Additional file 1 of A spatiotemporal analysis of opioid prescriptions in Indiana from 2015 to 2019

Supplementary Material Table S1. Prescription Opioids extracted from the National Drug Code Directory, US Food & Drug Administration. Supplementary Material Table S2.Negative binomial regression results.Supplementary Material Table S3.Global Moran’s I and its respective p-value each year. Global Moran’s I and its respective p-value each year. Supplementary Material Table S4.Counties assigned to each 3-digit ZIP codes and their RUCA classification. Supplementary Material Table S5.Local Moran’s I for the most significant areas by year. Supplementary Material Table S6.The rate of opioid prescriptions by 1,000 for each 3-digit ZIP code across years. Supplementary Material Figure S7.Spatial clusters with normalized patients receiving an opioid prescription at the county-level, Indiana, 2015–2019. Supplementary Material Table S8.OLS regression results for opioid prescribing rates over time.