Which factor does NOT affect the methodology for determining PBM prices?

The factors that influence the methodology for determining Pharmacy Benefit Manager (PBM) prices include elements like patient demographics, geographic region, and industry type. Patient demographics can affect pricing due to variations in drug usage among different age groups, genders, or health conditions within the population. Geographic region plays a significant role because drug pricing can vary significantly between regions based on local market dynamics, availability, and the economic environment. Industry type may impact the types of health plans offered and the specific drug needs of employees in different sectors.

On the other hand, an employee's previous health history does not typically play a direct role in the pricing methodology used by PBMs. While an individual's health history may influence their personal cost-sharing in a specific plan, it does not generally affect the overall pricing framework that PBMs use to negotiate prices with pharmacies and pharmaceutical manufacturers. Therefore, this variable is less relevant when considering the broader factors affecting PBM pricing strategies.