Table 3. Mutivariate logistic regression for factors associated with Koebner phenomenon in vitiligo patients (n=107).

Variable	Adjusted OR	p-value	95% CI for OR
			Lower	Upper
Age at onset (>18/≤18 yr)	1.67	0.271	0.66	2.31
Disease activity (progressivenon-progressive)	1.82	0.041*	1.17	2.92
Duration of disease (>5 yr≤5 yr)	1.92	0.003*	1.22	2.11
BSA (>2%/≤ 2% yr)	2.20	<0.001*	1.26	3.24

95% CI: 95% confidence interval, OR: odds ratio. ^*p-values <0.05 are considered statistically significant.