Table 1 Distribution of hepatitis B surface antigen (HBsAg) in Malaysian adult population (n = 1458).

From: Seroprevalence of hepatitis B virus and hepatitis C virus infection among Malaysian population

Characteristics

n (%)

Hepatitis B surface antigen, n (%)

p

Negative

Equivocal

Positive

Total

1458 (100)

1401 (96)

4 (0)

53 (4)

 

[95–97]

[0.1–0.5]

[3–5]

 

Year of recruitment

2007

28 (2)

27 (96)

0 (0)

1 (4)

0.939

2008

161 (11)

155 (96)

1 (1)

5 (3)

 

2009

273 (19)

263 (96)

1 (1)

9 (3)

 

2010

308 (21)

296 (96)

0 (0)

12 (4)

 

2011

351 (24)

335 (95)

2 (1)

14 (4)

 

2012

337 (23)

325 (96)

0 (0)

12 (4)

 

Age group

 ≤ 44

399 (27)

386 (97)

1 (0)

12 (3)

0.324

45–54

624 (43)

603 (97)

3 (0)

18 (3)

 

55–64

415 (28)

393 (95)

0 (0)

22 (5)

 

65–70

20 (1)

19 (95)

0 (0)

1 (5)

 

Gender

Male

718 (49)

680 (94)

4 (1)

34 (5)

0.01*

Female

740 (51)

721 (97)

0 (0)

19 (3)

 

Ethnicity

Malay

588 (40)

574 (98)

2 (0)

12 (2)

 < 0.001*

Chinese

513 (35)

484 (94)

2 (1)

27 (5)

 

Indians

180 (12)

180 (100)

0 (0)

0 (0)

 

Bumiputera Sabah

93 (6)

83 (89)

0 (0)

10 (11)

 

Bumiputera Sarawak

53 (4)

49 (92)

0 (0)

4 (8)

 

Others

31 (2)

31 (100)

0 (0)

0 (0)

 

Marital status

Single

73 (5)

71 (97)

0 (0)

2 (3)

0.965

Married

1300 (89)

1246 (96)

4 (0)

50 (4)

 

Widow/widower

62 (4)

61 (98)

0 (0)

1 (2)

 

Separated

5 (1)

5 (100)

0 (0)

0 (0)

 

Divorced

18 (1)

18 (100)

0 (0)

0 (0)

 

Education level

No formal education

25 (2)

23 (92)

0 (0)

2 (8)

0.533

Primary

417 (29)

397 (95)

1 (0)

19 (5)

 

Secondary

742 (51)

713 (96)

2 (0)

27 (4)

 

Tertiary

274 (19)

268 (98)

1 (0)

5 (2)

 

Occupation

Unemployed

500 (34)

481 (96)

0 (0)

19 (4)

0.486

Non-government

628 (43)

601 (96)

4 (0)

23 (4)

 

Government

248 (17)

240 (97)

0 (0)

8 (3)

 

Self-employed

82 (6)

79 (96)

0 (0)

3 (4)

 

Locality

Urban

1035 (71)

1001 (97)

3 (0)

31 (3)

0.123

Rural

423 (29)

400 (95)

1 (0)

22 (5)

 

History of immunisation

No

1198 (82)

1147 (96)

4 (0)

47 (4)

0.747

Hepatitis A

41 (3)

39 (95)

0 (0)

2 (5)

 

Hepatitis B

180 (12)

177 (98)

0 (0)

3 (2)

 

Hepatitis A and hepatitis B

39 (3)

38 (97)

0 (0)

1 (3)

 

History of chronic hepatitis disease

Yes

2 (1)

0 (0)

0 (0)

2 (100)

 < 0.001*

No

1456 (99)

1401 (96)

4 (0)

51 (4)

 

Family history of chronic hepatitis

Yes

0 (0)

0 (0)

0 (0)

0 (0)

 

No

1458 (100)

1401 (96)

4 (0)

53 (4)

 

History of surgery

Yes

794(54)

762 (96)

2 (0)

30 (4)

0.936

No

664 (46)

639 (96)

2 (0)

23 (4)

 

History of blood transfusion

Yes

117 (8)

110 (94)

0 (0)

7 (6)

0.311

No

1341 (92)

1291 (96)

4 (0)

46 (4)

 
  1. *Indicate significant differences, p < 0.05.