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Table 3 Association of familial history with lower and higher grades of acne severity grades and scarring

From: Modifiable and non-modifiable epidemiological risk factors for acne, acne severity and acne scarring among Malaysian Chinese: a cross-sectional study

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)
  1. All results were from multivariate analysis on familial history, adjusted fro age and gender
  2. All OR have significance of p < 0.001