Table 1 Frequency of demographic factors and risk factors stratified by ethnicity, and abnormal elevations of biochemical functions (ALT, AST, and GGT) in an Atayal aboriginal community of Taiwan

Aboriginal

429(20.8) *

377(18.2) *

591(28.6) *

Age(year)

   ≤ 20

3

1

1(25.0)

0(0)

1(25.0)

   21–40

732*

262

191*(19.2)

194*(19.5)

240(24.1)

   41–60

743

370

211(18.9)

190(17.0)

317*(28.5)

   ≥ 61

585

314

93(10.3)

70(7.8)

116(12.9)

Gender

   Male

992

460

357(24.5) *

321(22.1) *

508(34.9) *

   Female

1071

487

139(8.9)

133(8.5)

167(10.7)

Cigarette smoking

930*

252

248(21.0) *

339(28.7) *

460(38.9) *

Alcohol drinking

1226*

267

295(19.8) *

410(27.5) *

577(38.6) *

Betel quid chewing

995*

122

399(35.7)*

375(33.6)*

290(26.0)

HBsAg(+)

441

197

153(24.0) *

147(23.1) *

154(24.1) *

Anti-HCV(+)

61

25

31(36.1) *

33(38.3) *

31(36.1) *

BMI>25

840*

277

384(34.4) *

341(30.5)

392(35.1)*