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| ID | Type | Description | Link |
|---|---|---|---|
| 5P30DK017047-45 | U.S. NIH Grant/Contract | View source |
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| Name | Class |
|---|---|
| National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | NIH |
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In this project, we propose to build on our Stage I formative work (according to the NIH Stage Model for Behavioral Intervention Development), where we developed fully functional prototypes of a mobile intervention aimed at improving adherence to Mediterranean Diet (MedD) for older adults with frailty and early dementia to complete the Stage II exploratory work, where the intervention will undergo further feasibility, acceptability, and preliminary efficacy tests. The intervention includes a patient-facing app that allows users to track their diet and receive personalized feedback concerning opportunities for improvement and recipes for breakfast, lunch, dinner, and snacks, informational materials about MedD, and a chat feature. On the other end, a web-based provider interface allows clinicians to review patient progress, suggest meal plans, and send and receive messages. The pilot randomized controlled trial, conducted over three months, will compare usual care to usual care plus mobile intervention to gather preliminary efficacy data concerning a change in adherence to MedD score (primary outcome). Mechanistic and secondary outcomes will include MedD knowledge, constructs from Social Cognitive Theory (self-efficacy, outcome expectation, self-regulation, and social support), platform use, anthropometric, and functional measures. Feasibility will be evaluated in terms of recruitment and retention outcomes. Acceptability will be determined through post-intervention semi-structured interviews and structured survey measures.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Mobile Intervnetion | Experimental | Participants randomized to the intervention arm will receive verbal and written instructions as well as one-on-one demonstration of the app features. Participants will have an option of either receiving the study mobile device or will be able to use their own device with an installed app. Following the training, participants will be asked to use the app at least once a week. |
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| Usual Care | Active Comparator | Participants randomly allocated to the control group will receive educational materials on healthy eating, as provided on the NIA web page (https://www.nia.nih.gov/health/healthy-eating). |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Mobile app | Other | The main mobile intervention features. Tracking and immediate feedback: Pressing the icon launches a short series of questions with multiple-choice response options focusing on recent meals . The survey items are modeled after the 14-item Mediterranean Adherence Screener using simplified language and intuitive visuals to lower cognitive load. Based on responses to the survey, the app provides an intuitive visualization of the survey results, personalized feedback, and recipes on how to improve the person's diet. On-demand resources: individuals are able to access on-demand resources about the MedD diet, its benefits, and best dietary practices. The recipe page includes a personalized list of simple breakfast, lunch, dinner, and snack recipes based on the survey results with step by step instructions on how to prepare Mediterranean foods. In-app messaging: Individuals are able to receive notifications and send and receive messages. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Adherence to Mediterranean Diet (aMed) Score. The Change Was Calculated From Two Time Points as the Value at the Later Time Point Minus the Value at the Earlier Time Point | Mediterranean Diet adherence was measured using an Food Frequency Questionnaire (FFQ) adherence to Mediterranean Diet (aMED) score. The self-administered FFQ asks participants to report the frequency of consumption and portion size of approximately 125-line items over the last 3 months. A series of foods or beverages define each line item. The aMED score was designed to assess adherence to a Mediterranean dietary pattern. aMED scores range from 0 (nonadherence) to 9 (perfect adherence) | Baseline; 12 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Short Physical Performance Battery | The Short Physical Performance Battery (SPPB) is designed to measure functional status and physical performance. The scale is a composite measure assessing walking speed, standing balance, and sit-to-stand performance. The three tests are summed to give a total score, with a maximum of 12 and a minimum of 0, with a higher score indicating higher function. | Baseline; 12 weeks |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Oleg Zaslavsky, PhD, MHA, RN | University of Washington | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Univeristy of Washington | Seattle | Washington | 98195 | United States |
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| ID | Title | Description |
|---|---|---|
| FG000 | Mobile | Were asked to use Mindful Meals mobile app at least once a week |
| FG001 | Control | Received educational materials on healthy eating |
| Title | Milestones | Reasons Not Completed | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
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| ID | Title | Description |
|---|---|---|
| BG000 | Mobile Intervention | Participants randomized to the intervention arm will receive verbal and written instructions as well as one-on-one demonstration of the app features. Participants will have an option of either receiving the study mobile device or will be able to use their own device with an installed app. Following the training, participants will be asked to use the app at least once a week. Mobile app: The main mobile intervention features. Tracking and immediate feedback: Pressing the icon launches a short series of questions with multiple-choice response options focusing on recent meals . The survey items are modeled after the 14-item Mediterranean Adherence Screener using simplified language and intuitive visuals to lower cognitive load. Based on responses to the survey, the app provides an intuitive visualization of the survey results, personalized feedback, and recipes on how to improve the person's diet. On-demand resources: individuals are able to access on-demand resources about the MedD diet, its benefits, and best dietary practices. The recipe page includes a personalized list of simple breakfast, lunch, dinner, and snack recipes based on the survey results with step by step instructions on how to prepare Mediterranean foods. In-app messaging: Individuals are able to receive notifications and send and receive messages. |
| Units | Counts |
|---|---|
| Participants |
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| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Mean |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Change in Adherence to Mediterranean Diet (aMed) Score. The Change Was Calculated From Two Time Points as the Value at the Later Time Point Minus the Value at the Earlier Time Point | Mediterranean Diet adherence was measured using an Food Frequency Questionnaire (FFQ) adherence to Mediterranean Diet (aMED) score. The self-administered FFQ asks participants to report the frequency of consumption and portion size of approximately 125-line items over the last 3 months. A series of foods or beverages define each line item. The aMED score was designed to assess adherence to a Mediterranean dietary pattern. aMED scores range from 0 (nonadherence) to 9 (perfect adherence) | Posted | Mean | Standard Deviation | score on a scale | Baseline; 12 weeks |
|
3 months
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Mobile | Were asked to use Mindful Meals mobile app at least once a week | 0 |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Associate Professor | University of Washington School of Nursing | 2068493301 | ozasl@uw.edu |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP | Yes | Yes | No | Study Protocol and Statistical Analysis Plan | Apr 23, 2023 | Feb 24, 2025 | Prot_SAP_000.pdf |
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| ID | Term |
|---|---|
| D003704 | Dementia |
| D000073496 | Frailty |
| ID | Term |
|---|---|
| D001927 | Brain Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
| D019965 | Neurocognitive Disorders |
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| Usual Care | Other | Participants randomly allocated to the control group will receive educational materials on healthy eating, as provided on the NIA web page (https://www.nia.nih.gov/health/healthy-eating). |
|
| Mediterranean Diet Nutrition Knowledge (MDNK) Questionnaire | Items include questions focused on knowledge about foods and nutrients that are important in the MedD. | Baseline; 12 weeks |
| Waist Circumference (WC) | WC at the natural waist or narrowest part of the torso will also be measured to the nearest 0.1 cm | Baseline; 12 weeks |
| Body Mass Index | Weight to the nearest 0.1 kg and height to the nearest 0.1 cm will be measured and used to compute BMI. | Baseline; 12 weeks |
| Social Cognitive Theory | Social-cognitive theory (SCT) mechanistic variables will be measured using the Food Beliefs Survey and modified to focus on MedD | Baseline; 12 weeks |
| BG001 | Usual Care | Participants randomly allocated to the control group will receive educational materials on healthy eating, as provided on the NIA web page (https://www.nia.nih.gov/health/healthy-eating). Usual Care: Participants randomly allocated to the control group will receive educational materials on healthy eating, as provided on the NIA web page (https://www.nia.nih.gov/health/healthy-eating). |
| BG002 | Total | Total of all reporting groups |
| years |
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| Sex: Female, Male | Count of Participants | Participants |
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| Race (NIH/OMB) | Count of Participants | Participants |
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| Region of Enrollment | Number | participants |
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| OG001 | Usual Care | Participants randomly allocated to the control group will receive educational materials on healthy eating, as provided on the NIA web page (https://www.nia.nih.gov/health/healthy-eating). Usual Care: Participants randomly allocated to the control group will receive educational materials on healthy eating, as provided on the NIA web page (https://www.nia.nih.gov/health/healthy-eating). |
|
|
| Secondary | Short Physical Performance Battery | The Short Physical Performance Battery (SPPB) is designed to measure functional status and physical performance. The scale is a composite measure assessing walking speed, standing balance, and sit-to-stand performance. The three tests are summed to give a total score, with a maximum of 12 and a minimum of 0, with a higher score indicating higher function. | Not Posted | Baseline; 12 weeks | Participants |
| Secondary | Mediterranean Diet Nutrition Knowledge (MDNK) Questionnaire | Items include questions focused on knowledge about foods and nutrients that are important in the MedD. | Not Posted | Baseline; 12 weeks | Participants |
| Secondary | Waist Circumference (WC) | WC at the natural waist or narrowest part of the torso will also be measured to the nearest 0.1 cm | Not Posted | Baseline; 12 weeks | Participants |
| Secondary | Body Mass Index | Weight to the nearest 0.1 kg and height to the nearest 0.1 cm will be measured and used to compute BMI. | Not Posted | Baseline; 12 weeks | Participants |
| Secondary | Social Cognitive Theory | Social-cognitive theory (SCT) mechanistic variables will be measured using the Food Beliefs Survey and modified to focus on MedD | Not Posted | Baseline; 12 weeks | Participants |
| 10 |
| 0 |
| 10 |
| 0 |
| 10 |
| EG001 | Control | Received educational materials on healthy eating | 0 | 9 | 0 | 9 | 0 | 9 |
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| D001523 | Mental Disorders |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |