Differing Associations Between the Most Abundant Genera of the Fecal Microbiome and Sex, Fiber Intake Score, Stress, Stool Consistency and BMI in Healthy Young Adults (original) (raw)

Current Developments in Nutrition, 2020

Abstract

Objectives The objective of this secondary analysis was to characterize the relationships between the most abundant genera of the fecal microbiome and sex, fiber intake scores, stress, stool consistency and body mass index (BMI) in healthy young adults using data from the 1-week baseline period of a clinical study. Methods Data from a total of 182 participants (n = 120 female) with a mean age of 19.7 ± 0.1 y (mean ± SEM) and a healthy body mass index (BMI; 23.4 ± 0.3 kg/m2) were used. Participants self-reported stool consistency (Bristol stool score) as an estimate of gastrointestinal transit time and stress (0 = no stress to 10 = extremely stressed) daily for 1 week. The Rapid Eating Assessment-short questionnaire was completed at the end of baseline to assess intake frequency of fruits, vegetables and whole grains. The food frequency scores from the 3 food categories were summed for the fiber intake score. Microbial composition was determined by 16s rRNA sequencing of 1 stool samp...

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