Questionnaire Number (QN) | Variable | Yes | No | Total | P value Χ2 test |
2 | Presence of acne on the back | 54 | 97 | 151 | <0.001 |
3 | Presence of acne on the chest | 33 | 118 | 151 | <0.001 |
5 | Visiting a dermatologist regarding acne | 62 | 89 | 151 | 0.028 |
6 | Getting acne treatment without a prescription | 54 | 97 | 151 | <0.001 |
9 | Acne presence in parents | 62 | 89 | 151 | 0.028 |
10 | Acne presence in siblings | 126 | 25 | 151 | <0.001 |
11 | Presence of scars | 92 | 59 | 151 | 0.007 |
12 | Presence of post inflammatory hyperpigmentation | 110 | 41 | 151 | <0.001 |