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Table 1 Characteristics of the study population

From: Socioeconomic, demographic and lifestyle-related factors associated with unhealthy diet: a cross-sectional study of university students

  Total (n=593) Women (n=344) Men (n=249)  
%a %a %a P value
Unhealthy diet 47.90 150 (43.60) 134 (53.81) 0.018
a) Socioeconomic and demographic characteristics
 Age (years), mean 20.21 20.06 20.42 0.176
 SD 3.23 3.25 3.21  
SES father/ mother
 High 43.84 / 37.60 42.44 / 32.27 45.78 / 44.98 0.560/0.004
 Low 56.16 / 62.40 57.56 / 67.73 54.22 / 55.02  
Family home
 Other town 61.72 63.66 59.04 0.290
 University city 38.28 36.34 40.96  
Cooks for him or herself during the academic year
 Yes 29.17 29.65 28.51 0.834
 No 70.83 70.35 71.49  
Degree course
 Health Sciences 23.95 31.10 14.06 <0.001
 Social Sciences 76.05 68.90 85.94  
b) Lifestyle-related factors
 Weight (kg) mean 66.02 59.54 74.96 <0.001
 SD 12.65 10.04 10.18  
 Height (cm) mean 169.80 164.01 177.80 <0.001
 SD 9.23 5.99 6.55  
BMI
 Underweight 6.41 10.17 1.20 <0.001
 Normal weight 73.52 74.42 72.29 0.627
 Overweight 16.86 11.92 23.70 <0.001
 Obesity 3.21 3.49 2.81 0.821
HPA
 Yes 38.11 25.58 55.42 <0.001
 No 61.89 74.42 44.58  
Tobacco use
 Yes 16.36 15.70 17.27 0.691
 No 83.64 84.30 82.73  
Other harmful substances
 Yes/occasional 20.57 15.99 26.91 0.002
 No 79.43 84.01 73.09  
  1. Gender related-differences between means or percentages calculated using the t-Student test and χ2
  2. HPA, healthy physical activity, BMI body mass index, SES socioeconomic status.
  3. aValues presented are percentages, unless indicated otherwise.