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The Nutritarian Women's Health Study (NWHS) is a long-term hybrid effectiveness-implementation study on the effect of the Nutritarian Diet on the occurrence, recurrence, and progression of chronic diseases (including all forms of cancer and cardiometabolic risk factors).
The Nutritional Research Foundation, in conjunction with Northern Arizona University, is conducting a long-term health study for women ages 18 and older. This study will address the effects of a nutrient dense, plant-rich diet on the long-term risks of cancer and other chronic diseases.
Participants enroll in a 30-day training module which outlines the benefits of a nutrient-dense, plant-rich diet. At the conclusion of those videos and written modules, they take a short quiz to assess their knowledge and they can enroll in the full study.
All participation is online with ongoing modules on nutrition and lifestyle. There is a comprehensive health history and lifestyle index to be completed. Nutrition questionnaires will be administered an average of every 3-6 months; PHQ-9 (Patient Health Questionnaire) & PSQI (Pittsburgh Sleep Quality Index) questionnaires an average of every 12 months; serum cardiometabolic measures and liquid biopsies an average of every 18 months.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Intervention for all participants | Experimental | Nutritarian Diet-style: Intervention for all participants: All participants are exposed to the same nutrition treatment/intervention protocol. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Nutritarian Diet-style | Other | Nutritarian Diet-style: Daily consumption of greens, beans/legumes, a variety of other vegetables, fresh or frozen fruits, nuts, seeds and whole grains. Participants are encouraged to minimize consumption of refined grains, vegetable oils, processed foods, and to limit animal products. |
| Measure | Description | Time Frame |
|---|---|---|
| Nutrition Intervention | Adherence to the recommended dietary protocol with the Nutritarian Health Indicator (©Joel Furhman MD). Scored by points (90-100 excellent, 80-89 good, 70-79 average, <69 poor). | Every 12 months, up to 10 years. |
| Measure | Description | Time Frame |
|---|---|---|
| Weight Management | Height/weight/BMI of participants through self-reported measurements. Weight and height will be combined to report BMI in kg/m^2. | Every 12 months, up to 10 years. |
| Waist Measurement |
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Inclusion criteria:
Exclusion criteria:
Women 18 years and older
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| Name | Affiliation | Role |
|---|---|---|
| Jay Sutliffe | Northern Arizona University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Northern Arizona University | Flagstaff | Arizona | 86011 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 27622958 | Result | Sutliffe JT, Fuhrman JH, Carnot MJ, Beetham RM, Peddy MS. Nutrient-dense, Plant-rich Dietary Intervention Effective at Reducing Cardiovascular Disease Risk Factors for Worksites: A Pilot Study. Altern Ther Health Med. 2016 Sep;22(5):32-6. | |
| 22314713 | Result | Sarter B. Effect of a high nutrient density diet on long-term weight loss: a retrospective chart review. Altern Ther Health Med. 2011 Nov-Dec;17(6):10; author reply 10. No abstract available. |
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We are considering making this data available to other researchers after we have a substantial number of participants enrolled.
Open October 31, 2016. Closed December 31. 2019.
please contact study office at nwhs@nau.edu for information
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Hybrid effectiveness-implementation
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|
Self-measured and reported measurements in inches.
| Every 12 months, up to 10 years. |
| Hip Measurement | Self-measured and reported measurements in inches. | Every 12 months, up to 10 years. |
| Mental Health | PHQ-9 (Patient Health Questionnaire-9). Tool designed for screening, diagnosing, monitoring and measuring the severity of depression. Scoring: 5-9 (minimal symptoms), 10-14 (minor depression, dysthymia, mild major depression), 15-19 (major depression, moderately severe), and >20 (major depression, severe). | Every 12 months, up to 10 years. |
| Sleep quality assessment | PSQI (Pittsburgh Sleep Quality Index). Tool designed to evaluate sleep quality over a 1 month interval. Scoring 0-21 points. Any score >5 indicates sleep impairment, with higher scores designating poorer sleep and greater impact on daily life. | Every 12 months, up to 10 years. |
| Cancer prevalence | Self-reported occurrence, recurrence, and progression of cancer at any site. Will be expressed as frequency distribution across the study population. | Every 12 months, up to 10 years. |
| Chronic disease prevalence | Self-reported occurrence, recurrence, and progression of chronic disease (diabetes, cardiovascular disease, inflammatory disease). Will be expressed as frequency distribution across the study population. | Every 12 months, up to 10 years. |
| 16522904 | Result | Jenkins DJ, Kendall CW, Faulkner DA, Nguyen T, Kemp T, Marchie A, Wong JM, de Souza R, Emam A, Vidgen E, Trautwein EA, Lapsley KG, Holmes C, Josse RG, Leiter LA, Connelly PW, Singer W. Assessment of the longer-term effects of a dietary portfolio of cholesterol-lowering foods in hypercholesterolemia. Am J Clin Nutr. 2006 Mar;83(3):582-91. doi: 10.1093/ajcn.83.3.582. |
| 25414824 | Result | Yokoyama Y, Barnard ND, Levin SM, Watanabe M. Vegetarian diets and glycemic control in diabetes: a systematic review and meta-analysis. Cardiovasc Diagn Ther. 2014 Oct;4(5):373-82. doi: 10.3978/j.issn.2223-3652.2014.10.04. |
| 25637150 | Result | Sutliffe JT, Wilson LD, de Heer HD, Foster RL, Carnot MJ. C-reactive protein response to a vegan lifestyle intervention. Complement Ther Med. 2015 Feb;23(1):32-7. doi: 10.1016/j.ctim.2014.11.001. Epub 2014 Dec 3. |
| 21054899 | Result | Fuhrman J, Sarter B, Glaser D, Acocella S. Changing perceptions of hunger on a high nutrient density diet. Nutr J. 2010 Nov 7;9:51. doi: 10.1186/1475-2891-9-51. |
| 24870117 | Result | Gonzales JF, Barnard ND, Jenkins DJ, Lanou AJ, Davis B, Saxe G, Levin S. Applying the precautionary principle to nutrition and cancer. J Am Coll Nutr. 2014;33(3):239-46. doi: 10.1080/07315724.2013.866527. Epub 2014 May 28. |
| 15735093 | Result | Tucker KL, Hallfrisch J, Qiao N, Muller D, Andres R, Fleg JL; Baltimore Longitudinal Study of Aging. The combination of high fruit and vegetable and low saturated fat intakes is more protective against mortality in aging men than is either alone: the Baltimore Longitudinal Study of Aging. J Nutr. 2005 Mar;135(3):556-61. doi: 10.1093/jn/135.3.556. |
| ID | Term |
|---|---|
| D002908 | Chronic Disease |
| D009369 | Neoplasms |
| D002318 | Cardiovascular Diseases |
| D003920 | Diabetes Mellitus |
| D001523 | Mental Disorders |
| D008659 | Metabolic Diseases |
| D013959 | Thyroid Diseases |
| ID | Term |
|---|---|
| D020969 | Disease Attributes |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D044882 | Glucose Metabolism Disorders |
| D009750 | Nutritional and Metabolic Diseases |
| D004700 | Endocrine System Diseases |
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