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Table 2 Associations of happiness with demographic variables and with perceived stress and health behaviours

From: Happiness and health behaviours in Chilean college students: A cross-sectional survey

Variables Variable categories % of total sample Happiness score
(mean; SD)
p-value
Demographics     
   Gender Female 46.10 5.25; 1.10 0.24
  Male 53.90 5.21; 1.10  
   Age 17-19 50.00 5.27; 1.10 0.02
  20-24 50.00 5.19; 1.09  
Nutritional status (WHO)     
   Body Mass Index (BMI) Underweight 3.40 5.17; 1.27 0.09
  Normal weight 77.60 5.25; 1.08  
  Overweight 16.90 5.22; 1.12  
  Obese 2.10 4.93; 1.13  
  No obese 97.90 5,25; 1.10 0.02
  Obese 2.10 4,93; 1,13  
   Daily breakfast No always 50.50 5.15; 1.12 0.00
  Always 49.50 5.32; 1.07  
   Daily lunch No always 36.00 5.04; 1.17 0.00
  Always 64.00 5.34; 1.04  
   Daily fruits and vegetables No always 44.50 5.10; 1.11 0.00
  Always 55.50 5.34; 1.07  
Physical activity No always 71.00 5.17; 1.11 0.00
  Always 29.00 5.39; 1.06  
Stress     
   Ordinary circumstances No stressed 37.80 5.42; 1.04 0.00
  Stressed 62.20 5.11; 1.12  
   Exam/test periods No stressed 33.20 5.44; 1.01 0.00
  Stressed 66.80 5.13; 1.12  
Drug use     
   Tobacco No 55.30 5.22; 1.08 0.46
  Yes 44.70 5.25; 1.10  
   Alcohol No 16.80 5.21; 1.12 0.63
  Yes 83.20 5.24; 1.09  
   Prescriptive tranquillizers No 89.80 5.27; 1.07 0.00
  Yes 10.20 4.90; 1.21  
   Modafinil (i.e., Mentix) No 95.30 5.24; 1.09 0.32
  Yes 4.70 5.15; 1.13  
   Inhalants No 98.70 5.23; 1.09 0.55
  Yes 1.30 5.33; 1.04  
   Marihuana No 75.40 5.21; 1.10 0.04
  Yes 24.60 5.30; 1.06  
   Cocaine No 98.20 5.23; 1.09 0.93
  Yes 1.80 5.25; 1.13  
   Unprescriptive tranquilizers No 96.00 5.25; 1.08 0.00
  Yes 4.00 4.88; 1.30  
   Unprescriptive analgesics No 93.50 5.25; 1.08 0.01
  Yes 6.50 5.06; 1.20  
   Unprescriptive amphetamines No 98.40 5.24; 1.09 0.05
  Yes 1.60 4.95; 1.18  
   Other drugs < 1% (heroine, hallucinogens, ecstasy) No 98.50 5.23; 1.09 0.12
  Yes 1.50 5.47; 1.06  
   Number of "illegal" drugs (range = 1-11) 0 65.90 5.25; 1.09 0.76
  1 26.00 5.23; 1.08  
  2 6.00 5.18; 1.17  
  3 2.10 5.14; 1.15  
  1. * p-values < 0.05 using students-T and Anovas-F.