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Table 3 Interaction effects of period (2014 vs. 2017) and physician specialty (orthopedic vs. non-orthopedic surgeons) on median number of payments, 2014 and 2017

From: Impact of US industry payment disclosure laws on payments to surgeons: a natural experiment

 Incidence rate ratio95% CIP-value
General payment: any1.091.08, 1.09< 0.001
General payment: food and beverage1.081.07, 1.09< 0.001
General payment: other sources1.111.09, 1.13< 0.001
Research paymenta
  1. aIndicates that could not be estimated due to a fully null effect
  2. Source: Open payments program data from the Centers for Medicare and Medicaid Services