Factors Associated with Nutrition Knowledge Among University Students in Saudi Arabia: A Cross-Sectional Study
This cross-sectional study of 707 Saudi university students reveals suboptimal nutrition knowledge overall, with significantly higher levels observed among females, health-science majors, postgraduate students, fourth-year students, and those adhering to special diets, highlighting the need for targeted educational interventions.
Original paper licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). This is an AI-generated explanation of the paper below. It is not written or endorsed by the authors. For technical accuracy, refer to the original paper. Read full disclaimer
For a person to grow, stay strong, and avoid illness, the food they eat matters deeply. A balanced diet supports the body's development and acts as a shield against serious conditions like heart disease, cancer, and diabetes. Yet, the years spent at university are often a time when healthy habits can slip away. Young adults, facing new freedoms and academic pressures, frequently find themselves skipping meals, snacking more often, and eating fewer fruits and vegetables. This shift is not just about willpower; it is often rooted in what a person knows about food. Nutrition knowledge—the understanding of what different foods contain, how to read labels, and how diet connects to long-term health—is a powerful tool. When people understand these connections, they are better equipped to make choices that protect their future well-being. However, knowing that food is important is different from knowing exactly which foods are best, and this gap in understanding is where researchers have turned their attention.
In Saudi Arabia, a researcher set out to measure this specific gap among university students. They wanted to see how much students actually knew about nutrition and, more importantly, to discover which groups of students knew more and which knew less. The study took place across five different campuses of a large public university, capturing a wide mix of students from both health-related fields, like medicine, and non-health fields, such as humanities and engineering. The researcher asked 728 students to fill out a detailed survey. This questionnaire, translated and tested for accuracy in Arabic, asked 86 specific questions about everything from dietary recommendations to the relationship between food and disease. Each correct answer earned a point, creating a total score out of 86. The researcher then looked closely at the results, comparing the scores against the students' backgrounds, including their gender, age, year of study, and whether they followed any special diets.
The results revealed a concerning picture. The average student scored 46.9 out of 86, a figure that fell just below the threshold the researcher set for "good" knowledge. When they divided the group based on this cutoff, fewer than half of the students—45.7 percent—were classified as having good nutrition knowledge, while the majority, 54.3 percent, demonstrated poor knowledge. This suggests that even in a country where health is a national priority, a significant portion of the student population lacks the basic information needed to make healthy food choices. The study did not just stop at the average; it dug deeper to find the patterns behind the numbers. The researcher found that knowledge was not spread evenly across the student body. Instead, it clustered around specific characteristics.
Several factors stood out as strong predictors of who knew more. Female students were significantly more likely to have good nutrition knowledge than their male counterparts. The study also found that students studying medicine or other health sciences knew much more than those in other disciplines, which makes sense given their coursework. Furthermore, knowledge tended to grow as students progressed through their education. Those in their fourth year of study knew more than first-year students, and those pursuing master's or doctoral degrees knew more than those with bachelor's degrees. Another surprising finding was that students who followed a special diet, such as a vegan or gluten-free plan, had better knowledge than those who did not. This suggests that the act of managing a specific diet forces a person to learn more about food ingredients and nutritional needs.
The researcher also looked at factors that might seem important but turned out to have no real connection to knowledge levels. Things like a student's monthly household income, who they lived with, or their body weight did not independently predict how much they knew about nutrition. While a student's body mass index showed a very slight statistical link to their score, it was not a strong enough factor to explain the differences between individuals once other variables were considered. The study also noted that while the sample included many students, it was heavily skewed toward women, with nearly 88 percent of participants being female. The researcher acknowledged that this imbalance might mean the overall scores are slightly higher than they would be in a perfectly balanced group, as women often show higher nutrition knowledge in other studies as well.
These findings point to a clear need for change. The author argues that a single, one-size-fits-all approach to teaching nutrition will not work. Instead, universities should design programs that specifically target the groups that are falling behind: male students, those in non-health majors, and students in their early years of university. The study suggests that introducing basic nutrition courses into the core curriculum for all first-year students could help establish healthy habits before bad ones take root. Additionally, universities could use their campus environments to promote better choices, such as making healthy foods more available and affordable in cafeterias. By tailoring education to the specific needs of different student groups, institutions can help bridge the gap between knowing that food is important and actually knowing how to eat well. This approach aligns with broader national goals to improve public health and prevent disease, ensuring that the next generation of adults is equipped with the knowledge they need to thrive.
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