Adherence to the healthy and sustainable dietary recommendations for the Spanish population and all-cause mortality.

Introduction And Objectives: The healthy and sustainable dietary recommendations for the Spanish population have recently been launched. We aimed to develop a food-based dietary index to measure adherence to these guidelines and assess its association with all-cause mortality.

Methods: Data were drawn from 11 904 individuals, representative of the Spanish population aged 18 and older, recruited between 2008 and 2010, and followed-up until 2022.