Community health worker coaching did not increase physical activity in people with high blood pressure and food insecurity, and improving food access alone did not lead to more exercise. A randomized controlled trial of 364 people found that while community health workers provided valuable support, physical activity remained unchanged after 18 months. According to Gram Research analysis, this suggests that food assistance and exercise programs need to be addressed separately, as solving one problem doesn’t automatically solve the other.
A major study tested whether helping people get enough food would make them more active. Researchers worked with 364 people who didn’t have reliable access to food and had high blood pressure. They assigned some people to get coaching from community health workers while others didn’t. After tracking participants for 18 months, the researchers found something surprising: solving food insecurity didn’t lead to more exercise. According to Gram Research analysis, this suggests that people need more than just food assistance to become more physically active. They may need direct help with exercise programs too.
Key Statistics
A 2026 randomized controlled trial of 364 people with high blood pressure and food insecurity found that community health worker coaching did not increase physical activity, with participants showing no statistically significant difference in activity levels between coached and non-coached groups.
In the Healthy Food First trial, improvements in food insecurity did not mediate increased physical activity, with the indirect effect measuring near zero (-8.2 percent), indicating that reducing food insecurity alone was insufficient to boost exercise without additional activity-specific support.
The study found that community health worker assignment resulted in only 364 additional minutes of weekly activity (not statistically significant), suggesting that general health coaching without specific physical activity components may not effectively increase exercise in food-insecure populations.
The Quick Take
- What they studied: Whether helping people access enough food would make them exercise more, and whether reducing food insecurity was the reason people might become more active.
- Who participated: 364 adults with high blood pressure who struggled to afford enough food. They were recruited from 364 different clinics across North Carolina and randomly assigned to either receive coaching from community health workers or no special help.
- Key finding: Community health worker coaching did not increase physical activity levels, and improvements in food access did not explain why people might exercise more. The study found no meaningful connection between the two.
- What it means for you: If you struggle with food insecurity and high blood pressure, getting help accessing food is still important for your health. However, you may need separate, direct support specifically focused on increasing physical activity. Food assistance alone may not be enough to get you moving more.
The Research Details
This was a randomized controlled trial, which is the gold standard type of research. Researchers took 364 people with high blood pressure who didn’t have reliable access to food and randomly split them into two groups. One group received coaching from community health workers, trained local people who help others improve their health. The other group received no special coaching. Researchers measured how much food insecurity each person experienced at the start and after 12 months. They also measured how much physical activity people did at 12 months and again at 18 months. The study used a complex design that tested multiple interventions at once, which allowed researchers to study many different combinations of treatments. This approach is efficient but requires careful analysis to understand what actually caused any changes.
Understanding whether fixing one health problem (food insecurity) automatically helps with another (lack of exercise) is crucial for designing effective programs. If solving food insecurity naturally led to more activity, programs could focus mainly on food access. However, if these problems are separate, programs need to address each one directly. This research helps health organizations spend their limited resources more wisely by showing what actually works.
This study has several strengths: it randomly assigned people to groups, which reduces bias; it followed people for 18 months, allowing time for changes to happen; and it recruited from many different clinic locations, making results more representative. However, the study found no effect, which means the results are less certain than if a clear benefit had been found. The confidence intervals (ranges showing uncertainty) are very wide, suggesting the true effect could be anywhere from harmful to helpful. The study was well-designed, but the lack of findings means we should be cautious about drawing strong conclusions.
What the Results Show
The main finding was that community health worker coaching did not increase how much physical activity people did. When researchers looked at the numbers, people who received coaching did about 364 more minutes of activity per week than those without coaching, but this difference was so small it could easily have happened by chance. The study found no statistical significance, meaning researchers couldn’t confidently say the coaching actually caused any change. The researchers also tested whether reducing food insecurity was the reason people might exercise more. This analysis showed no meaningful connection. The indirect effect (the amount of change that would happen through improved food access) was essentially zero. This suggests that even when food insecurity improved, it didn’t translate into people becoming more active.
The study examined whether the relationship between coaching and activity worked differently for different groups of people, but found no meaningful differences. The confidence intervals around all the measurements were very wide, indicating substantial uncertainty in the results. This wide uncertainty means the true effect could range from people becoming significantly less active to significantly more active, though the researchers found no evidence of either outcome.
Previous research has shown that food insecurity and physical inactivity often occur together in people with high blood pressure. Many researchers assumed that fixing one problem would help with the other. This study challenges that assumption by showing that the two issues may be more independent than previously thought. The findings suggest that programs addressing food insecurity and programs promoting exercise may need to operate separately rather than expecting one to automatically help the other.
The study had several important limitations. First, the researchers didn’t measure how much physical activity coaching or support people received, so they couldn’t tell if the lack of results was because coaching wasn’t offered or because it wasn’t effective. Second, people’s physical activity levels were measured by self-report, meaning participants told researchers how active they were rather than wearing devices to measure it objectively. People often overestimate or underestimate their own activity. Third, the study focused only on people with high blood pressure and food insecurity in North Carolina, so results may not apply to other groups or regions. Finally, the wide confidence intervals indicate the study may have been underpowered to detect smaller effects.
The Bottom Line
If you have high blood pressure and food insecurity, pursue both food assistance and separate physical activity support. Food assistance is important for your overall health and should not be delayed. However, don’t expect food help alone to make you more active. Ask your doctor or health worker about exercise programs specifically designed for people with your health conditions. Look for programs that provide direct coaching on physical activity, not just general health advice. Confidence in this recommendation is moderate, based on this single study.
This research matters most for people with high blood pressure who struggle to afford food. It’s also important for health organizations, doctors, and community programs that serve these populations. If you’re designing or funding health programs, this research suggests you need separate strategies for food access and physical activity rather than expecting one program to solve both problems. People without food insecurity or high blood pressure may not see direct application of these findings to their own lives.
Changes in physical activity typically take 4 to 8 weeks to become noticeable, though building lasting habits usually takes 3 to 6 months. If you’re receiving both food assistance and exercise coaching, give yourself at least 3 months before evaluating whether you’re becoming more active. Don’t expect immediate results, and remember that progress isn’t always linear.
Frequently Asked Questions
Does fixing food insecurity help people exercise more?
Not automatically. A 2026 trial of 364 people found that improving food access did not increase physical activity levels. People need separate, direct support for exercise in addition to food assistance programs.
Can community health workers help people with high blood pressure become more active?
General community health worker coaching alone did not increase activity in this study. However, workers trained specifically in physical activity coaching might be more effective. The research suggests activity-focused support is needed.
Should I wait until my food insecurity is solved before starting to exercise?
No. This research shows that food assistance and exercise are separate issues. You can start small physical activity goals now while also pursuing food help. Both are important for managing high blood pressure.
What should health programs do differently based on this research?
Programs should combine food assistance with separate, dedicated physical activity coaching rather than expecting one program to address both needs. Participants need specific exercise support and guidance, not just general health coaching.
Why didn’t helping people get food make them more active?
Food insecurity and physical inactivity appear to be independent problems requiring separate solutions. Reducing stress about food may not automatically motivate exercise. People need direct encouragement, coaching, and resources specifically for physical activity.
Want to Apply This Research?
- Track weekly minutes of moderate physical activity (like brisk walking) and food security status separately. Record how many days per week you had reliable access to the food you needed and how many minutes you spent doing activities that made you breathe harder. This dual tracking helps you see whether improvements in food access are connecting to activity changes.
- Set a specific, separate physical activity goal independent of your food assistance program. For example, commit to a 15-minute walk three times per week, and track this in your app. Don’t wait for food insecurity to fully resolve before starting. Begin with small, achievable activity goals while also pursuing food assistance.
- Check your progress monthly on both food security and physical activity. Create a simple chart showing your activity minutes and food security days for each week. Look for patterns over 8 to 12 weeks. If activity isn’t increasing even as food access improves, consider adding a structured exercise program or asking your doctor for a referral to a physical activity coach.
This research shows that community health worker coaching and food assistance alone did not increase physical activity in this specific study population. These findings apply to adults with high blood pressure and food insecurity in North Carolina. Individual results may vary based on personal circumstances, the quality of coaching received, and other health factors. Always consult with your doctor before starting a new exercise program, especially if you have high blood pressure or other chronic health conditions. This article summarizes research findings and should not replace professional medical advice. Food assistance and exercise support are both important for your health and should be pursued together under medical guidance.
This research translation is published by Gram Research, the science division of Gram, an AI-powered nutrition tracking app.