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Nutritional and Metabolic Status of Vegetarian and Omnivorous Portuguese Adults

NCT05408962 · Status: RECRUITING · Type: OBSERVATIONAL · Enrollment: 400

Last updated 2023-10-19

No results posted yet for this study

Summary

Vegetarian diets have low environmental footprints and are potential solutions to address climate change and the 2030 Agenda on the Sustainable Development Goals. Currently, there is no information regarding the nutritional quality of vegetarian diets in Portugal. As the trend for vegetarianism increases in the country, the aim of this study is to examine and compare nutritional and metabolic outcomes among vegetarian and non-vegetarian populations. We aim to implement a cross-sectional study that includes a total of 400 (distributed among the three diferent groups of omnivorous, lacto-ovovegatarians and vegans) healthy Portuguese adults aged 18-64 years. Blood and urine samples will be collected. Participants will be assessed for blood pressure, anthropometric parameters, micronutrient status, blood lipids, glicaemia and insuline resistance and will complete a validated food frequency questionnaire as well as a sociodemographic and lifestyle questionnaire. Dietary and nutrient analysis will be conducted to assess diet quality and nutritional inadequacies. The current proposal provides an unique opportunity to characterize and compare different population groups clustered by dietary behaviour and provide evidence that help achieve healthy and sustainable diets in Portugal.

Conditions

  • Diet, Vegetarian
  • Diet, Vegan
  • Nutritional Status
  • Metabolic Profile

Interventions

OTHER

Blood and urine collection, anthropometric analysis and answering to questionnaires

During the visit to the recruitment center, participants will sign an informed consent. They will have to be in fasting condition for blood and urine collection. In addition they will answer the lifestyle questionnaire and the Food Frequency Questionnaire and will be submitted to an anthropometric analysis and evaluation of blood preassure and heart rate.

Sponsors & Collaborators

  • Centro Hospitalar De São João, E.P.E.

    collaborator OTHER

  • Centro de Investigação em Tecnologias e Serviços de Saúde

    collaborator OTHER

  • Rede de Investigação em Saúde

    collaborator OTHER

  • Universidade do Porto

    lead OTHER

Principal Investigators

  • Elisa Keating, PhD · Universidade do Porto

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2022-07-01
Primary Completion
2023-12-31
Completion
2024-06-30

Countries

  • Portugal

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05408962 on ClinicalTrials.gov