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year of birth?
 
 
 
gender
 
male
 
female
 
 
 
educational level
 
primary
 
secondary
 
institute or college
 
other
 
 
 
do you think sleep affect on wt gain
 
yes
 
no
 
 
 
sleep at day and work at night have alot of benift?
 
agree
 
disagree
 
dont know
 
strongly agree
 
strongly disagree
 
 
 
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Monthly
 
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