BioMed Research International / 2014 / Article / Tab 2

Research Article

Body Pigmentation as a Risk Factor for the Formation of Intracranial Aneurysms

Table 2

Results of logistic regression in Sample I.

Explanatory variablesPatients
(%)
Controls
(%)
Adjusted odds ratio
(95% CI)
  

Sample I53136

Hair color
 Dark brown to brown12 (22.6)60 (44.1)1.00.001 (5.60)
 Light brown to dark blond20 (37.8)64 (47.1)3.11 (0.86–11.27)
 Blond to strawberry blonde/red21 (39.6) 12 (8.8)23.50*** (3.99–138.24)
Eye color
 Dark color21 (39.6)56 (41.2)1.00.40 (0.30)
 Mixed color10 (18.8)31 (22.8)1.07 (0.29–3.96)
 Light color22 (41.6)49 (36.0)0.59 (0.18–1.96)

Odds ratios were adjusted for age, sex, and smoking ( values for these covariates were 0.001, 0.040, and 0.114, resp.); # for trend; explained variance (%) by the respective variable (Nagelkerke +); *significance for odds ratios: *** .