Patient Patient Control Control χ2 p
n % n %
Gender
Female 85 83,3 76 73,1 2,601 0,107
Male 17 16,7 28 26,9
Education level
Primary school 2 2,0 4 3,8 5,878 0,118
Secondary school 6 5,9 14 13,5
High school 34 33,3 39 37,5
University / college 60 58,8 47 45,2
Economic situation
Income more than expenses 25 24,5 7 6,7 22,287 0,000
Income equal to expenses 53 52,5 85 81,8
Income less than expenses 24 23,5 12 11,5
Family type
Large family 43 42,2 20 19,2 32,944 0,000
Nuclear family 36 35,3 70 67,3
Alone 23 22,5 14 13,5
Smoking
No 81 79,4 69 66,3 4,441 0,035
Yes 21 20,6 35 33,7