Attracting and retaining information technology (IT) staff is a key issue in the public sector's digital transformation. Like all public organizations, those in the health and social services sector are facing this challenge at a time when many large-scale technological projects are being implemented. This report examines the factors involved in attracting and retaining IT staff. It presents a literature review that identifies these factors and groups them into three dimensions according to whether they are individual, organizational or collective. Based on the results of this literature review, this report then proposes a tool for measuring the importance attached to these factors by IT professionals. This tool will be useful for organizations wishing to develop workforce attraction and retention strategies in line with the attitudes, beliefs and aspirations of IT professionals.