| Reason | Tel Aviv University (N = 100) | Technion(N = 100) | p | t | 
 
   
   | Average | Std. deviation | Average | Std. deviation | 
 
   
   | 1. Physical activity is not important enough for me | .54 | .99 | 2.42 | 1.45 | 0.000 | 8.979 | 
 
   
   | 2. I don’t know how to exercise on my own | .67 | 1.03 | .91 | .73 | 0.114 | 1.592 | 
 
   
   | 3. I don’t have enough time because of my school workload | 3.07 | 1.02 | 1.74 | 1.11 | 0.000 | 4.469 | 
 
   
   | 4. I don’t have enough time because of other tasks and activities | 2.5 | 1.14 | 1.94 | 1.03 | 0.000 | 3.585 | 
 
   
   | 5. No exercise framework | 1.10 | 1.20 | 1.00 | .85 | 0.376 | 0.888 | 
 
   
   | 6. Fear of injuries | .54 | .98 | .68 | .84 | 0.422 | 0.805 | 
 
   
   | 7. My friends are not physically active | .38 | .73 | 1.17 | .71 | 0.000 | 6.227 | 
 
   
   | 8. My family members are not physically active | .33 | .71 | 1.11 | .94 | 0.000 | 5.373 | 
 
   
   | 9. I can’t keep my resolution to exercise | 1.09 | 1.07 | 1.24 | .99 | 0.405 | 0.835 | 
 
   
   | 10. Right now there are more important things in my life | 1.62 | 1.21 | 1.45 | .94 | 0.528 | 0.663 | 
 
   
   | 11. Health restrictions | .63 | .99 | .74 | .79 | 0.416 | 0.816 | 
 
   
   | 12. Sports facilities are too far away/ inaccessible | .76 | 1.09 | .72 | .76 | 0.839 | 0.203 | 
 
   
   | 13. Financial cost | 1.16 | 1.27 | .67 | .79 | 0.013 | 2.530 | 
 
   
   | 14. Sports did not help me in the past | .18 | .68 | .45 | .68 | 0.031 | 2.179 | 
 
   
   | 15. As a child I was not taught to do exercise and now it’s too late | .21 | .63 | 1.56 | 1.15 | 0.000 | 9.107 |