A healthy diet is essential to good health.
Multiple factors influence people’s diet choices, including food environment and socioeconomic and behavioral factors.
A recent study finds that access to grocery stores and fast food, education level, and income impact fruit and vegetable consumption and obesity levels.
Balanced, nutritional diets are an essential part of a healthy lifestyle. Researchers are still uncovering which factors contribute to dietary choices.
A recent observational study published in Nature Source examines several environmental factors that may impact people’s food choices.
The authors conclude that these factors have different levels of influence among different sections of the population.
The importance of a healthy diet
A healthy diet is critical to good health. While experts constantly evaluate the best dietary practices, there are several general components to a healthy diet.
According to the World Health Organization (WHO)Trusted Source, a healthy diet should include the following elements:
five portions or 400 grams (g) of fruits and vegetables daily
legumes, nuts, and whole grains
limited amounts of fat
limited quantities of added sugar
Different people have different food needs. It might help to talk with a doctor or dietitian to develop suitable meal plans.
Healthy Source also decrease people’s risk for specific health problems, such as type 2 diabetes and heart disease.
Researchers are constantly trying to understand what factors influence people’s food choices. Then, it’s possible to modify these factors to steer people toward diets is challenging and often restricted to small sample sizes, single locations, and by people’s recall of what they ate. This has made it challenging to compare diets across the United States and has led to mixed results on the impact of the food environment.
Multiple factors influence food choices, including cultural backgrounds and lifestyles. Environmental factors also affect people’s diet, including their access to healthy or unhealthy food options.
This study sought to examine how the following factors influenced people’s weight, their consumption of fruits and vegetables, and fast food and soda consumption.
Access to grocery stores
Access to fast food restaurants
education level
income level
The scientists used smartphone app food logs to study food choices in a large and diverse sample size. The study included 1,164,926 participants from all across the U.S. The authors collected data over 7 years.
Tim Althoff explained the benefits of this data collection method to MNT:
“This study leverages the fact that many people take detailed notes on their diets through smartphone apps. We studied 2.3 billion smartphone food logs across more than 9,800 U.S. zip codes and demonstrated that these data can be used to study diet across the population.”
The authors compared their study population to nationally representative survey data. They gathered demographic and socioeconomic factors from Connections between factors influencing diet
Overall, the scientists found that higher education levels, increased access to grocery stores, and reduced access to fast food had associations with:
a higher intake of fruits and vegetables
a lower intake of soda and fast food
a lower prevalence of obesity and overweight
Next, the scientists assessed the impact of each of these factors among white, Black, and Hispanic populations, individually. The associations varied slightly between these groups.
For example, researchers found that higher income levels were associated with lower consumption of fruits and vegetables, higher obesity, and higher fast-food consumption among Black populations.
However, they found that higher education levels and greater access to grocery stores had associations with higher fruit and vegetable consumption.
In contrast, higher income levels among Hispanic populations led to a higher intake of fruits and vegetables. The associations were weaker among white population food choices.
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