Demographic and socioeconomic disparity in nutrition: application of a novel Correlated Component Regression approach.

Objectives: This study aimed to examine the most important demographic and socioeconomic factors associated with diet quality, evaluated in terms of compliance with national dietary recommendations, selection of healthy and unhealthy food choices, energy density and food variety. We hypothesised that different demographic and socioeconomic factors may show disparate associations with diet quality.

Study Design: A nationwide, cross-sectional, population-based study.