Substance use identification and follow-up rates among commercial and Medicare health insurance members in primary care and other settings.

Background: The objective of this study was to investigate factors associated with substance use disorder identification and follow-up rates among samples of members of a private health insurance plan.

Methods: In an observational study, samples of claims data for 2017 for Commercial and Medicare members from a private health insurer were accessed and analyzed using descriptive statistics, decision tree analysis, and linear regression models.

Results: Commercial and Medicare members differed in age.