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This study aims to examine the effect of socio-demographic, lifestyle and dietary factors on body composition among students from a private Lebanese University.

In this cross-sectional study, socio-demographic and lifestyle variables were collected. Height and waist circumference were measured. Inbody 720 (Biospace, Korea) was used to assess body composition (percentage body fat [PBF], visceral fat area [VFA], skeletal muscle mass [SMM]) and fitness score. Diet was assessed using the MEDFICTS (meats, eggs, dairy, fried foods, fat in baked goods, convenience foods, fats added at the table and snacks) questionnaire.

Out of 392 students, 3.1 per cent were underweight, 59 per cent were normal and 40 per cent were overweight and obese. In women,10.5 per cent adhered to the therapeutic lifestyle changes (TLC) compared to men (2.5 per cent), while 52.5 per cent of men needed dietary changes compared to 39.5 per cent of women, (p < 0.01). The most important predictors of PBF were being a woman, older age, lower fitness score and lower MEDFICTS score. The predictors of VFA were being a man, older age, less sleep time and lower fitness score. Being a man, smoking, higher fitness score and higher MEDFICTS score were predictors of SMM.

Upon university acceptance and as part of usual health screenings in universities, the authors’ study recommends screening of lifestyle and dietary habits of students, identifying students at risk and providing appropriate health interventions tailored to students’ needs.

This study is the first, in Lebanon, to assess the effects of sleep, stress, fitness and dietary habits on body composition of Lebanese university students.