Table 1.

Theoretical approach categories as described by Nilsen P [17]

Categories	Description
Process models	Specify steps in the process of translating research into practice.
Determinant frameworks	Classes or domains of determinants that are hypothesized or have been found to influence implementation outcomes.
Classic theories	Describe how change occurs without ambitions to actually carry out the change.
Implementation theories	Developed and adapted by researchers for potential use in implementation science to achieve enhanced understanding and explanation of certain aspects of implementation.
Evaluation frameworks	Provide a structure for evaluating implementation endeavours.