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This project aims to redesign and optimize a deep-structure culturally-tailored healthy eating program and test its effectiveness in improving dietary outcomes, anthropometric, and blood pressure among 75 diverse Latinos, compared to surface-level messages.
This project aims to redesign and optimize a deep-structure culturally-tailored healthy eating program and test its effectiveness in improving dietary outcomes, anthropometric, and blood pressure among 75 diverse Latinos, compared to surface-level messages. The WELCOME study will be based on the RE-AIM framework with improved reach, adoption, implementation, and maintenance strategies. The intervention arm is a deep-structure cultural tailored text messages for distinct Latino heritages (e.g., Caribbean and non-Caribbean) informed by mixed-methods formative research, compared to surface-level healthy eating messages based on the USDA My Plate Spanish version. The program runs for 6 months: 2-months delivery phase + 2-months reinforcement phase + 2-months maintenance phase.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Intervention | Experimental | Intervention group consisting of culturally-tailored healthy eating advice through daily text messages for 2 months (delivery phase); a subsequent reinforcement phase of 2-months to repeat the text messages; and a subsequent maintenance phase of 2-months with no text messages. |
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| Control | Active Comparator | Control group consisting of general healthy eating advice through daily text messages for 2 months (delivery phase); a subsequent reinforcement phase of 2-months to repeat the text messages; and a subsequent maintenance phase of 2-months with no text messages. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Culturally tailored healthy eating advice | Behavioral | Culturally-tailored education includes strategies for healthy eating, preferences for traditional healthy foods, recommendations for limiting unhealthy traditional foods, portion sizes, etc. |
| Measure | Description | Time Frame |
|---|---|---|
| Changes in diet quality score | Determine the change in score of short diet quality screener (range 18-54; from lowest to highest quality) | Month 4 |
| Change in levels of adipose risk factor | Estimate the change in the value of waist circumference (cm) | Month 4 |
| Change in levels of blood pressure risk factor | Estimate the change in the value of systolic and diastolic blood pressure (mmHg) | Month 4 |
| Change in dietary habits | Determine the change in the score of dietary behaviors (range 1-5) | Month 4 |
| Measure | Description | Time Frame |
|---|---|---|
| Changes in diet satisfaction: diet satisfaction scale | Determine the change in the score of the Diet Satisfaction Questionnaire (DSat-45) (range 45-225; from lowest to highest satisfaction) and its summed seven subscales (ranges 5-40 | Month 4 |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Josiemer Mattei, PhD | Harvard Chan School of Public Health | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Harvard TH Chan School of Public Health | Boston | Massachusetts | 02115 | United States |
Study personnel will manage and distribute the data generated from the study with other investigators observing NIH policy on the dissemination and sharing of research results. Study information and requests for data will be available immediately upon the data being coded and properly revised for quality control after culmination of the study; deidentified data will be available upon request.
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| ICF | No | No | Yes | Informed Consent Form | Jul 12, 2022 | Jun 21, 2023 | ICF_000.pdf |
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| ID | Term |
|---|---|
| D005247 | Feeding Behavior |
| D009765 | Obesity |
| ID | Term |
|---|---|
| D001522 | Behavior, Animal |
| D001519 | Behavior |
| D050177 | Overweight |
| D044343 | Overnutrition |
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| Standard healthy eating advice | Behavioral | Standard healthy eating education includes strategies, foods, portions, and cooking and eating tips for general dietary recommendations from USDA My Plate |
|
| D009748 |
| Nutrition Disorders |
| D009750 | Nutritional and Metabolic Diseases |
| D001835 | Body Weight |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |