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

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)