Urolithiasis, Doppler Ultrasonography, segmental arteries, hydronephrosis,resistive index

Abstract: Nutrition has fundamental role in the well-being of any individual. The intake of proper diet along with any kind of regular activity is essential for obtaining good health. Objective: To determine the effect of dietary intake and physical activity on Body Mass Index (BMI) among the students of University of Lahore. Methods: A cross-sectional study was conducted at The University of Lahore, Lahore and completed within 9 months by using the non-probability convenient sampling technique. The data were collected through pre –tested questionnaire from 369 students (both males and females) between age 20-30 years. Data were analyzed using SPSS version 22.0. Frequencies were calculated, Pearson's chi-square and paired sample t-test was applied. Results: Total of 369 respondents were included in the study, out of which 64.8% were having normal weight, 19.2% overweight, 11.4% underweight, and 4.6% were obese. The average age of the respondents was 21 years. Majority of the respondents (69.6%) belonged to the middle class. A considerable association was found between Body Mass Index (BMI) and milkshake consumption (p-value=0.041), french fries consumption (p-value=0.039), 60 minutes of normal walk (p-value=0.005). Conclusions: It was concluded that there were variations among the associations between intake of different food items and physical activity and its impact on Body Mass Index (BMI). Key words: Dietary intake, Body Mass Index, physical activity, students.