Development, validation and item reduction of a food literacy questionnaire (IFLQ-19) with Australian adults.

ABSTRACT:

Background

Food literacy is theorised to improve diet quality, nutrition behaviours, social connectedness and food security. The definition and conceptualisation by Vidgen & Gallegos, consisting of 11 theoretical components within the four domains of planning and managing, selecting, preparing and eating, is currently the most highly cited framework. However, a valid and reliable questionnaire is needed to comprehensively measure this conceptualisation. Therefore, this study draws on existing item pools to develop a comprehensive food literacy questionnaire using item response theory.

Methods

Five hundred Australian adults were recruited in Study 1 to refine a food literacy item pool using principal component analysis (PCA) and item response theory (IRT) which involved detai

SUBMITTER: Thompson C 

PROVIDER: S-EPMC9438317 | biostudies-literature | 2022 Sep

REPOSITORIES: biostudies-literature