Exploring Nudging Strategies for Plant-based Dietary Choices in Hospital Patients: A Quasi-experimental Study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00036763

Enrollment

6575

Registered

2025-04-29

Start date

2022-11-21

Completion date

Unknown

Last updated

2025-11-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Dietary Choices of Hospital Inpatients

Interventions

Group 1: Baseline Cohort: Patients received the standard menu plan without any intervention. Group 2: Cohort 2: Order Nudge - patients received a menu plan on which the plant-based menu was listed fir

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Inpatients with all dietary preferences were included (e.g., omnivore, vegetarian or vegan diet).

Exclusion criteria

Exclusion criteria: Inpatients from pediatric, psychiatric, intensive care and neurosurgical wards as well as those from intermediate care were excluded, because of their different nutritional needs in comparison to somatically ill patients in routine care. We also excluded inpatients who were in more than one intervention phase.

Design outcomes

Primary

Measure	Time frame
Number of plant-based menus selected	—

Secondary

Measure	Time frame
Predictive value of age, sex and days in the intervention on the number of plant-based menus selected.	—

Countries

Germany

Contacts

Public ContactHeidemarie Haller

Zentrum für Naturheilkunde und Planetare Gesundheit, Universitätsklinikum Essen

heidemarie.haller@uk-essen.de+4920172377384

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026