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Table 3 Prevalence of four hepatitis B virus infection status by socio-demographic characteristics of the study participants

From: Prevalence and associated knowledge of hepatitis B infection among healthcare workers in Freetown, Sierra Leone

Characteristic

Tested no. (%)

Susceptible no. (%)

P value

Current infection no. (%)

P value

Past infection no. (%)

P value

Immune due to vaccination no. (%)

P value

Age (y)

  

0.337

 

0.018*

 

0.506

 

0.506

  ≥ 39y

112 (53.1)

94 (83.9)

 

6 (5.4)

 

6 (5.4)

 

6 (5.4)

 

  < 39y

99 (46.9)

78 (78.8)

15 (15.2)

3 (3.0)

3 (3.0)

Gender

  

0.989

 

0.730

 

0.744

 

0.499

 Male

108 (51.2)

88 (81.5)

 

10 (9.3)

 

4 (3.7)

 

6 (5.6)

 

 Female

103 (48.8)

84 (81.6)

11 (10.7)

5 (4.9)

3 (2.9)

Working experience

  

0.452

 

0.419

 

0.509

 

0.736

  ≥ 9y

113 (53.6)

90 (79.6)

 

13 (11.5)

 

6 (5.3)

 

4 (3.5)

 

  < 9y

98 (46.4)

82 (83.7)

8 (8.2)

3 (3.1)

5 (5.1)

Education level

  

0.933

 

0.365

 

0.716

 

0.716

 High school

39 (18.5)

31 (79.5)

 

6 (15.4)

 

1 (2.6)

 

1 (2.6)

 

 Diploma certificate

166 (78.7)

136 (81.9)

14 (8.4)

8 (4.8)

8 (4.8)

 Bachelor’s degree or higher

6 (2.8)

5 (83.3)

1 (16.7)

0 (0.0)

0 (0.0)

Occupation

  

0.736

 

0.894

 

0.311

 

0.780

 Medical doctor

7 (3.3)

6 (85.7)

 

1 (14.3)

 

0 (0.0)

 

0 (0.0)

 

 Nurse

169 (80.1)

136 (80.5)

 

17 (10.1)

 

9 (5.3)

 

7 (4.1)

 

 Other staff

35 (16.6)

30 (85.7)

3 (8.6)

0 (0.0)

2 (5.7)

Department

  

0.000*

 

0.560

 

0.738

 

0.007*

 Internal medicine

21 (10.0)

18 (85.7)

 

1 (4.8)

 

1 (4.8)

 

1 (4.8)

 

 Surgical Department

47 (22.3)

36 (76.6)

8 (17.0)

3 (6.4)

0 (0.0)

 Emergency Department

16 (7.6)

14 (87.5)

1 (6.3)

0 (0.0)

1 (6.3)

 Pediatric

19 (9.0)

15 (78.9)

2 (10.5)

2 (10.5)

0 (0.0)

 Obstetrics and Gynecology

9 (4.3)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

 Under Fives Clinic

6 (2.8)

5 (83.3)

0 (0.0)

0 (0.0)

1 (16.7)

 Laboratory

16 (7.6)

16 (100.0)

0 (0.0)

0 (0.0)

0 (0.0)

 OP Theatre

22 (10.4)

19 (40.9)

2 (9.0)

0 (0.0)

1 (4.5)

 Pharmacy

5 (2.4)

2 (40.0)

1 (20.0)

0 (0.0)

2 (40.0)

 Others

50 (23.7)

38 (76.0)

6 (12.0)

3 (6.0)

3 (6.0)

Hepatitis history

  

0.355

 

0.854

 

0.110

 

0.393

 YES

14 (6.6)

10 (71.4)

 

2 (14.3)

 

2 (14.3)

 

0 (0.0)

 

 NO

176 (83.4)

143 (81.3)

17 (9.7)

7 (4.0)

9 (5.1)

 Unknown

21 (10.0)

19 (90.5)

2 (9.5)

0 (0.0)

0 (0.0)

HBV vaccination

  

0.588

 

0.135

 

1.000

 

0.001*

 YES

37 (17.5)

29 (78.4)

 

1 (2.7)

 

1 (2.7)

 

6 (16.2)

 

 NO

174 (82.5)

143 (82.2)

20 (11.5)

8 (4.6)

3 (1.7)

Sharps injury

  

0.025*

 

0.351

 

0.670

 

0.063

 Never

110 (52.1)

82 (74.5)

 

14 (12.7)

 

6 (5.5)

 

8 (7.3)

 

 Once

36 (17.1)

32 (88.9)

2 (5.6)

1 (2.8)

1 (2.8)

 More than once

65 (30.8)

58 (89.2)

5 (7.7)

2 (3.1)

0 (0.0)

Total

211 (100)

172 (81.5)

 

21 (10.0)

 

9 (4.3)

 

9 (4.3)

 
  1. *Statistically significant at P < 0.05