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Vegetarian vs Non-Vegetarian Diets Show Different Health Profiles in Active Adults

Cross-sectional study of 93 healthy adults compared cardiovascular risk factors between vegetarian and non-vegetarian dietary patterns.

Saturday, March 28, 2026 0 views
Published in ClinicalTrials.gov
Clinical trial visualization: Vegetarian vs Non-Vegetarian Diets Show Different Health Profiles in Active Adults

Summary

This cross-sectional study examined dietary intake, body composition, lifestyle factors, and cardiovascular disease risk markers in 93 healthy, active adults aged 18-80 years. Researchers compared vegetarians versus non-vegetarians to understand how plant-based eating patterns influence health outcomes. The study was conducted during COVID-19 using self-reported measures including food intake, body weight, BMI, body fat percentage, physical activity levels, sleep quality, and cardiovascular markers like cholesterol and blood pressure. Investigators also examined time-restricted eating patterns, comparing 8-12 hour versus 12-16 hour eating windows within each dietary group.

Detailed Summary

This completed cross-sectional study investigated the health differences between vegetarian and non-vegetarian dietary patterns among 93 healthy, active adults in Slovenia. The research aimed to document potential variations in dietary intake quality, body composition, lifestyle factors, and cardiovascular disease risk markers between these two groups.

Conducted during the COVID-19 pandemic from May to August 2020, the study used self-reported data collection methods. Participants ranged from 18 to 80 years old and provided comprehensive health information including detailed dietary intake records, body measurements (height, weight, BMI, body fat percentage), and lifestyle assessments covering physical activity, daily sitting time, sleep hygiene, and socioeconomic status.

Researchers measured key cardiovascular health markers including total cholesterol, LDL and HDL cholesterol, triglycerides, and blood pressure. The study also examined time-restricted feeding patterns, comparing health outcomes between those eating within 8-12 hour windows versus 12-16 hour windows within each dietary group.

The investigators hypothesized that while dietary intake and body composition would differ between vegetarians and non-vegetarians, cardiovascular risk factors would remain similar between groups. They also predicted no significant differences in health outcomes based on time-restricted eating duration within each dietary pattern.

This research provides valuable insights into how plant-based versus omnivorous diets affect multiple health parameters in active adults, offering practical guidance for individuals optimizing their nutrition for longevity and cardiovascular health.

Key Findings

  • Study completed comparing vegetarian vs non-vegetarian health profiles in 93 active adults
  • Examined body composition, cardiovascular markers, and time-restricted eating patterns
  • Self-reported data collected during COVID-19 pandemic period in Slovenia
  • Investigated 8-12 hour vs 12-16 hour eating windows within dietary groups

Methodology

Cross-sectional observational study with 93 participants aged 18-80 years. Duration was approximately 2.5 months (May-August 2020). Used self-reported measures during COVID-19 pandemic with no control interventions.

Study Limitations

Self-reported data collection may introduce bias and measurement inaccuracies. Small sample size of 93 participants limits generalizability. Cross-sectional design prevents establishing causal relationships between diet and health outcomes.

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