Table 3 Association of familial history with lower and higher grades of acne severity grades and scarring
Variable | Acne severity | Acne scarring | ||
|---|---|---|---|---|
Mild vs. controls | Moderate/severe vs. controls | Grade 1/2 vs. controls | Grade 3/4 vs. controls | |
OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | |
Maternal Acne | ||||
 Yes | 2.953 (2.261–3.856) | 2.792 (1.925–4.049) | 3.068 (2.347–4.012) | 3.941 (2.034–7.636) |
 No | 1.00 | 1.00 | 1.00 | 1.00 |
Paternal Acne | ||||
 Yes | 3.703 (2.788–4.919) | 2.611 (1.760–3.875) | 3.642 (2.732–4.854) | 4.143 (2.135–8.042) |
 No | 1.00 | 1.00 | 1.00 | 1.00 |
Parental Acne | ||||
 None | 1.00 | 1.00 | 1.00 | 1.00 |
 Only 1 parent | 3.509 (2.375–5.208) | 3.937 (2.326–6.667) | 4.032 (2.717–5.952) | 14.925 (6.135–35.714) |
 Both | 3.802 (2.778–5.236) | 3.106 (1.984–4.854) | 3.774 (2.740–5.208) | 5.848 (2.481–13.889) |
Sibling Acne | ||||
 Yes | 3.507 (2.722–4.520) | 2.521 (1.746–3.639) | 3.372 (2.607–4.360) | 6.021 (2.748–13.193) |
 No | 1.00 | 1.00 | 1.00 | 1.00 |
Familial Acne | ||||
 None | 1.00 | 1.00 | 1.00 | 1.00 |
 At least 1 parent/sibling | 4.695 (3.546–6.211) | 3.185 (2.128–4.762) | 4.310 (3.257–5.714) | 6.993 (2.890–16.949) |