Restaurant-based NEW Soul intervention with meal provision improves weight loss among African American adults versus meal provision alone
- 1Department of Health Promotion, Education, and Behavior, Arnold School of Public Health, University of South Carolina, 915 Greene Street, Columbia, SC 29208, USA
- 2Prevention Research Center, Arnold School of Public Health, University of South Carolina, 921 Assembly Street, Columbia, SC 29208, USA
- 3Department of Exercise Science, Arnold School of Public Health, University of South Carolina, 921 Assembly Street, Columbia, SC, 29208, USA
Abstract
BACKGROUND: African-American adults have disparate rates of chronic disease, and plant-based diets pose 1 way to mitigate disease risk. Dissemination and implementation (D&I) studies of nutrition programs in community settings are needed to scale successful interventions. OBJECTIVES: This type 2 hybrid effectiveness trial reports outcomes of weight loss (kg), diet quality (Healthy Eating Index score), and blood pressure (mmHg) among African-American adults in a 12-wk nutrition intervention. METHODS: ) were randomly assigned to a 12-wk intervention, attending weekly classes with 1 free weekly meal (intervention) or 1 free weekly meal only (control). The study took place from 2022 to 2025 and enrolled participants in 3 different restaurants in 2 cities-Columbia, SC, United States, and Augusta, GA, United States. RESULTS: The study enrolled 236 participants across 6 cohorts (average age: 48.5 ± 9.1 y and 81% females); cohorts ranged in size from 11 to 53. Participants in the intervention group lost more weight than participants in the control group (between-group change: -1.1 ± 0.5 kg; P = 0.01), and both groups exhibited significant within-group weight loss. Participants exhibited significant within-group improvements in diet quality after 12 wk, but there was no between-group difference (4.5 ± 4.0; P = 0.26). Participants in the control group exhibited significant improvements in systolic and diastolic blood pressure. No between-group differences were observed in systolic (2.0 ± 2.0; P = 0.30) or diastolic blood pressure (change 1.6 ± 1.4; P = 0.28). CONCLUSIONS: Restaurants are viable partners in conducting implementation research. In this D&I trial implemented in community restaurants, African-American adults lost weight. Future studies should focus on implementation outcomes and continued scale-up of the program. This trial was registered at clinicaltrials.gov as NCT05659966.
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BibTeX
@article{bernhart2026restaurantbased,
title = {{Restaurant-based NEW Soul intervention with meal provision improves weight loss among African American adults versus meal provision alone}},
author = {John A. Bernhart and Gabrielle M. Turner-McGrievy and Alexis Bell and Sara Wilcox and A. Caroline Rudisill and Taylor Duncan and Crystal Peterson and Judy Etheredge},
journal = {The Journal of nutrition},
year = {2026},
month = sep,
doi = {10.1016/j.tjnut.2026.101826},
url = {https://doi.org/10.1016/j.tjnut.2026.101826},
note = {CC BY-NC-ND},
}
RIS
TY - JOUR
TI - Restaurant-based NEW Soul intervention with meal provision improves weight loss among African American adults versus meal provision alone
AU - John A. Bernhart
AU - Gabrielle M. Turner-McGrievy
AU - Alexis Bell
AU - Sara Wilcox
AU - A. Caroline Rudisill
AU - Taylor Duncan
AU - Crystal Peterson
AU - Judy Etheredge
PY - 2026
DA - 2026/09/11
JO - The Journal of nutrition
DO - 10.1016/j.tjnut.2026.101826
UR - https://doi.org/10.1016/j.tjnut.2026.101826
AB - BACKGROUND: African-American adults have disparate rates of chronic disease, and plant-based diets pose 1 way to mitigate disease risk. Dissemination and implementation (D&I) studies of nutrition programs in community settings are needed to scale successful interventions. OBJECTIVES: This type 2 hybrid effectiveness trial reports outcomes of weight loss (kg), diet quality (Healthy Eating Index score), and blood pressure (mmHg) among African-American adults in a 12-wk nutrition intervention. METHODS: ) were randomly assigned to a 12-wk intervention, attending weekly classes with 1 free weekly meal (intervention) or 1 free weekly meal only (control). The study took place from 2022 to 2025 and enrolled participants in 3 different restaurants in 2 cities-Columbia, SC, United States, and Augusta, GA, United States. RESULTS: The study enrolled 236 participants across 6 cohorts (average age: 48.5 ± 9.1 y and 81% females); cohorts ranged in size from 11 to 53. Participants in the intervention group lost more weight than participants in the control group (between-group change: -1.1 ± 0.5 kg; P = 0.01), and both groups exhibited significant within-group weight loss. Participants exhibited significant within-group improvements in diet quality after 12 wk, but there was no between-group difference (4.5 ± 4.0; P = 0.26). Participants in the control group exhibited significant improvements in systolic and diastolic blood pressure. No between-group differences were observed in systolic (2.0 ± 2.0; P = 0.30) or diastolic blood pressure (change 1.6 ± 1.4; P = 0.28). CONCLUSIONS: Restaurants are viable partners in conducting implementation research. In this D&I trial implemented in community restaurants, African-American adults lost weight. Future studies should focus on implementation outcomes and continued scale-up of the program. This trial was registered at clinicaltrials.gov as NCT05659966.
SN - 0022-3166
SN - 1541-6100
ER -