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This feasibility study will explore whether adding an extra 10 grams of fibre to participants' daily diet for two weeks would improve their mental health and wellbeing.
The current pre-post single-arm feasibility trial will investigate whether increasing daily fibre intake by 10 grams for two weeks enhance depression, anxiety, stress, sleep quality, gut health, and optimism in 18-40 year-old young adults. Participants will be provided a list of high fibre food items. Outcome measures will be acquired before and after 2-weeks . These will include cognitive measures of measures of depression, anxiety, and stress symptomatology; sleep; gastrointestinal symptomatology; optimism.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Fibre arm | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Fibre arm | Other | Increasing daily fibre intake by 10 grams |
|
| Measure | Description | Time Frame |
|---|---|---|
| Generalized Anxiety Disorder 7 scale scores | A validated self-report measure of anxiety | From baseline (pre intervention) to week 2 (post intervention) |
| Patient Health Questionaire-8 scores | A validated self-report measure of depression | From baseline (pre intervention) to week 2 (post intervention) |
| Perceived Stress Scale scores | A validated self-report measure of stress | From baseline (pre intervention) to week 2 (post intervention) |
| Measure | Description | Time Frame |
|---|---|---|
| Pittsburgh Sleep Quality Index scores | A validated self-report measure of sleep quality | From baseline (pre intervention) to week 2 (post intervention) |
| Gastrointestinal Symptom Rating Scale Scores |
| Measure | Description | Time Frame |
|---|---|---|
| EPIC Norfolk Food Frequency Questionnaire (FFQ) | The FFQ is a validated tool for gauging the average habitual dietary intake of micro and macronutrients of an individual in the UK. Data will be processed using the FETA software. | Baseline (pre intervention) only |
| FiberScreen Scores |
Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Reading, School of Psychology and Clinical Languages | Reading | Berkshire | RG6 6ES | United Kingdom |
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| ID | Term |
|---|---|
| D001008 | Anxiety Disorders |
| D003863 | Depression |
| ID | Term |
|---|---|
| D001523 | Mental Disorders |
| D001526 | Behavioral Symptoms |
| D001519 | Behavior |
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A validated self-report measure of gastrointestinal symptoms that includes 15-items (combined into five symptom clusters depicting Reflux, Abdominal pain, Indigestion, Diarrhoea and Constipation)
| From baseline (pre intervention) to week 2 (post intervention) |
| Revised Life Orientation Test Scores | A validated self-report measure of one's dispositional level of optimism | From baseline (pre intervention) to week 2 (post intervention) |
A questionnaire that assesses fibre intake. It will be used to screen participants. Individuals who adhere to a high fibre diet (>20g fibre/day) will be excluded from the study. |
| From baseline (pre intervention) to week 2 (post intervention) |