Table 4.

Adjusted odds ratio(OR) and 95%CI (confidence interval) from multiple logistic regression for risk factors of cirrhosis of liver diagnosed by ultrasonography

Variables	No. of liver cirrhosis/total	OR (95%CI)
No. of Cases	41/1382 (3.0%)
Ethnic group
Non-Aboriginal	7/398 (1.8%)	1.0
Aboriginal	34/984 (3.5%)	1.8(1.4–3.6)
Alcohol drinking
Never	2/681(0.3%)	1.0
Former	6/101(5.9%)	1.6(1.3–4.6)
Current	33/600(5.5%)	2.1(1.5–3.5)
Cigarette smoking
Never	9/892(1.0%)	1.0
Former	2/49(4.1%)	1.3(0.6–10.7)
Current	30/441(6.8%)	1.8(1.1–2.7)
Betel quid chewing
No	19/679(3.5%)	1.0
Yes	22/703(2.2%)	1.7(1.2–2.3)
Gender
Female	5/732(0.7%)	1.0
Male	36/650(5.5%)	1.5(1.2–3.9)
BMI
<=25	26/852(3.1%)	1.0
>25	15/530(2.8%)	0.9(0.6–1.7)
HBV/HCV
-/-	21/1020(2.1%)	1.0
+/-	18/300(6.0%)	1.9(0.4–12.8)
-/+	1/32(3.1%)	2.2(1.4–4.7)
+/+	1/3(33.3%)	5.4(0.2–7.6)

+:positive; -:negative OR: odds ratio