NutriDiary, a Smartphone-Based Dietary Record App: Description and Usability Evaluation.

ABSTRACT:

Background

Repeated applications of short-term dietary assessment instruments are recommended for estimating usual dietary intake. For this purpose, NutriDiary, a smartphone app for collecting weighed dietary records (WDRs) in the German population, was developed.

Objective

We aim to describe NutriDiary and evaluate its usability and acceptability.

Methods

NutriDiary was developed as a WDR, allowing users to enter food items via text search, barcode scanning, or free text entry. The sample for the evaluation study included 74 participants (n=51, 69% female, aged 18-64 years), including 27 (37.5%) experts and 47 (63.5%) laypersons (including n=22, 30%, nutrition students). Participants completed a 1-day WDR and entered a predefined sample meal (n=17 foods) the followin

SUBMITTER: Klasen L 

PROVIDER: S-EPMC11833184 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature