Protocol for Determining Factors Related to Food Insecurity in University Students in the Circumpolar North
Bibliographic record
Abstract
Objectives: Dietary fiber intake is associated with a lower risk of weight gain and incidence of overweight and obesity.Certain dietary fibers can reduce fat and protein digestibility, reducing dietary metabolizable energy content.Fiber also affects the gut microbiota, contributing to energy balance through direct and indirect mechanisms.Our primary objective was to evaluate the metabolizable energy of the diet with and without the inclusion of a high-fiber blend cereal.Secondary objectives included evaluating the effects of the high-fiber blend cereal on the gut microbiota.We hypothesized that including a high-fiber cereal would reduce the metabolizable energy of the diet.Methods: Healthy adults (n19; age 22-75 y, BMI 18.5-39.9kg/m 2 , and fasting glucose < 126 mg/dL) were recruited to participate in a double-blind, randomized, controlled, crossover study with two experimental conditions (2 weeks each) separated by a 2-week washout.The study was a fully controlled feeding intervention with the same base diet consumed in each experimental condition; the base diet was supplemented with either three servings/day (282 total kcal) of a low (1g) or high (30 g) fiber cereal.Diets were scaled according to energy requirements such that participants remained weight stable.After a 9-day acclimation period, participants collected all urine and fecal samples produced over five days (as marked by a Brilliant Blue fecal collection marker).Combustible energy, protein, fat, and total dietary fiber were measured in composite samples of the diet and feces; urine was analyzed for combustible energy and nitrogen.Metabolizable energy and apparent digestibility coefficients were calculated.Participants completed daily compliance logs and gastrointestinal symptom and bowel habit questionnaires during both conditions.Fecal microbiota sequence data (V4 region, 16S rDNA gene) were analyzed using DADA2 and QIIME2.Results: N/A.Conclusions: We anticipate that daily consumption of highfiber cereal will decrease the metabolizable energy of the diet and affect the fecal microbiota.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".