Gram Research analysis of a 2026 study of 385 Saudi university students found that positive attitudes toward healthy eating, regular physical activity, and moderate daily social media use were linked to better dietary habits. The link shows association, not proof of cause, but it suggests personal beliefs and daily habits matter.
Social media fills young adults’ feeds with food ads, diet tips, and friends’ eating posts. A new study of 385 undergraduates at King Khalid University in Saudi Arabia looked at how these online habits relate to what students eat. According to research reviewed by Gram, students with more positive attitudes toward healthy eating and those who were more physically active tended to report better dietary habits. Students who used social media at a moderate level each day also scored higher than those who spent the most time online. The study took a snapshot at one point in time, so it cannot prove that social media causes these eating patterns. Still, the findings suggest that personal beliefs and daily lifestyle choices may be useful targets for digital nutrition programs aimed at college students.
Key Statistics
A 2026 cross-sectional study of 385 undergraduate students at King Khalid University in Saudi Arabia found an average dietary habits score of 12.06, with a standard deviation of 4.17.
A 2026 cross-sectional study of 385 Saudi university students found that positive attitudes, physical activity, and moderate daily social media use were each associated with higher dietary habits scores.
A 2026 study of 385 university students reported that every Integrated Behavioral Model construct measured was positively correlated with dietary habits.
The Quick Take
- What they studied: The researchers wanted to know whether the way university students use social media is connected to what they eat, and whether their beliefs, attitudes, and daily habits help explain those eating patterns.
- Who participated: The study included 385 undergraduate students at King Khalid University in Saudi Arabia. Participants were recruited from the campus through convenience sampling, meaning researchers invited students who were available and willing to take part.
- Key finding: Students with more positive attitudes toward healthy eating, those who were more physically active, and those who used social media at a moderate daily level had higher dietary habits scores. The average dietary habits score was 12.06, with a typical spread of about 4.17 points around that average.
- What it means for you: Your beliefs about healthy eating and how active you are may matter as much as what you see online. Using social media in moderation and staying physically active may be practical steps, though this study cannot confirm that these changes will improve your diet.
The Research Details
This was a cross-sectional study, which means researchers collected information from participants at a single point in time rather than following them over months or years. Students completed an Arabic questionnaire designed around the Integrated Behavioral Model, a well-known framework that explains how beliefs, attitudes, intentions, and social influences shape behavior. The questionnaire asked about social media use, eating habits, and the thinking behind those habits.
The team collected responses between February and April 2026. They used several statistical methods to look for patterns, including tests that compare groups, tests that measure how strongly two factors move together, and a regression model that examines several factors at once to see which ones remain linked to dietary habits when others are taken into account.
Because the analysis included 32 separate coefficient tests, the researchers applied a statistical correction called the Holm-Bonferroni procedure. This adjustment reduces the chance that a result looks meaningful purely by coincidence when many comparisons are made.
A cross-sectional design is a fast and affordable way to spot connections between habits and beliefs across a large group. It helps researchers decide which factors deserve closer study. However, because it captures only one moment, it cannot show which came first, such as whether heavy social media use leads to poorer eating or whether people with poorer eating habits simply spend more time online.
The study had a reasonably sized group of 385 students and used standard statistical methods along with a correction for multiple comparisons, which strengthens confidence in the results. The main limitations are the convenience sampling approach, which may not represent all Saudi university students, and the single-time-point design. Results come from one university, so they may not apply to students elsewhere. The questionnaire relied on self-reporting, which can be affected by memory and social desirability.
What the Results Show
The average dietary habits score among the students was 12.06, with a standard deviation of 4.17. This number gives a sense of how the group as a whole was eating, with individual students falling above and below that average.
Every belief and attitude measured under the Integrated Behavioral Model was positively connected to dietary habits. In plain terms, students who held stronger positive beliefs about healthy eating generally reported better eating habits. These constructs also tended to be related to one another, suggesting that thinking patterns about food tend to travel together.
When the researchers looked at several factors at once, three stood out as being associated with higher dietary habits scores: positive attitudes, regular physical activity, and moderate daily social media use. The social media finding is especially notable because it suggests that heavier use, rather than any use at all, may be the pattern linked to less favorable eating habits.
It is important to keep these results in context. The study shows associations, not proof that any one factor directly changes what students eat. Other influences, such as budget, cooking skills, and campus food access, were not the main focus here.
The study also explored how social media use relates to food-related behaviors, such as paying attention to food advertising or following nutrition content. The researchers found that these behaviors were connected to the broader belief and lifestyle factors, which suggests that online exposure to food content is part of a larger pattern rather than a stand-alone influence. This matters because it means health messages may work best when they address how students think about food, not only what they see on their screens.
Previous research on young adults has often found that social media exposes users to large amounts of food marketing and peer eating content, and that heavy users may face higher risks of poorer diet quality. This study fits with that picture by showing a link between social media habits and eating patterns. It also adds evidence from Saudi Arabia, a region where research on this topic has been more limited. Earlier studies using similar behavioral frameworks have reported that positive attitudes and physical activity support healthier choices, and this study is consistent with those findings.
The study cannot show cause and effect because it measured everything at one point in time. Students were recruited through convenience sampling from a single university, so the group may not reflect all university students in Saudi Arabia or in other countries. Dietary habits and social media use were self-reported, which means students may have over- or underestimated their behaviors. The exact details of some statistical results were not fully available in the summary reviewed, so readers interested in precise effect sizes should consult the full paper.
The Bottom Line
Research suggests that building positive attitudes toward healthy eating and staying physically active may be linked to better dietary habits, and this is a low-risk step for most people (moderate confidence). Limiting heavy daily social media use may also be worth trying, since moderate use was associated with higher dietary habits scores in this study (low to moderate confidence, because the design cannot confirm cause and effect). Digital nutrition programs that address beliefs and lifestyle, not just food facts, may be a promising approach for further testing.
University students, campus health staff, nutrition educators, and developers of health apps may find these results useful. Students who spend many hours on social media and want to improve their eating habits may find the findings especially relevant. People outside this age group or in very different settings should be cautious about applying the results directly, since the sample came from one Saudi university. Anyone with a medical condition that affects diet should speak with a healthcare provider before making changes.
Changes in beliefs and daily routines can start within a few weeks, such as trying a new weekly activity or reducing late-night scrolling. Measurable shifts in eating habits often take several weeks to a few months of consistent effort. Lasting changes in overall diet quality usually build over six months or more, and results vary widely from person to person.
Frequently Asked Questions
Does using social media affect what college students eat?
A 2026 study of 385 Saudi undergraduates found that social media habits were linked to dietary habits. Students with moderate daily use scored higher on healthy eating than heavier users. The study shows association only, so it cannot prove social media directly changes eating.
What factors are linked to better eating habits in university students?
Research reviewed by Gram found that positive attitudes toward healthy eating, regular physical activity, and moderate daily social media use were associated with higher dietary habits scores among 385 students at King Khalid University. Stronger positive beliefs about food were also connected to better habits.
How much social media use is considered moderate for healthy eating?
The study linked moderate daily social media use to higher dietary habits scores, while heavier use was associated with lower scores. The exact cutoff was not fully detailed in the summary reviewed. Limiting daily use to a few hours is a reasonable starting point, but individual needs vary.
Can changing my attitudes about food improve my diet?
Positive attitudes toward healthy eating were associated with better dietary habits in a 385-student study. Because this was a one-time snapshot, it cannot prove attitudes cause dietary change. Still, building positive food beliefs alongside practical habit changes may support healthier eating over time.
Want to Apply This Research?
- Ask users to log their daily social media time, using the phone’s built-in screen time feature, alongside a weekly self-rating of their dietary habits on a simple 1 to 5 scale. Also track weekly minutes of physical activity. Comparing these numbers over four weeks can reveal personal patterns.
- Suggest a practical goal such as keeping daily social media use under about four hours, muting or unfollowing food ads, and replacing one late-night scroll session with a short walk or a home-cooked meal plan. Pair these with a short daily reminder that explains why a healthy choice matters to the user personally.
- Check in every month for the first three months, then every quarter. Look for trends in social media time, activity levels, and self-rated eating habits rather than focusing on single days. Encourage users to note what changed in their routine when they see improvements or setbacks, and remind them that small, steady changes tend to last longer than large, sudden ones.
This article summarizes a single cross-sectional study of 385 university students at one institution, so it shows associations rather than cause and effect. It is for general information only and is not medical or nutrition advice. Anyone with health concerns, medical conditions, or questions about their diet should consult a qualified healthcare provider or registered dietitian.
This research translation is published by Gram Research, the science division of Gram, an AI-powered nutrition tracking app.