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Table 3 Tuberculosis prevalence in 3746 health care workers in Henan province, China

From: Infection control and the burden of tuberculosis infection and disease in health care workers in china: a cross-sectional study

Item

No. of HCW

No. of TB

Prevalence (1/1000)

Gender and smoking*

Male, non-smoker

977

1

1.0

 

Male, smoker

832

8

9.6

 

Female

1937

11

5.7

Age group (years)

18-29

988

6

6.1

 

30-39

1295

5

3.9

 

40-49

1070

7

6.5

 

≥ 50

393

2

5.1

BCG scar

No

2451

13

5.3

 

Yes

1294

7

5.4

Job location

TB outpatient clinic

1187

9

7.6

 

TB inpatient ward

197

3

15.2

 

Supervision and monitoring

383

1

2.6

 

Pharmacy

255

1

3.9

 

X-ray

204

1

4.9

 

Laboratory

305

2

6.6

 

Administrative/logistic

1215

3

2.5

Duration of employment (years)

< 1

1383

5

3.6

 

1-4

757

3

4.0

 

5-9

613

6

9.8

 

≥ 10

993

6

6.0

Level

Prefecture

869

5

5.8

 

County/District

2877

15

5.2

TST induration (mm)§, #

0 - 9

1047

1

1.0

 

10 - 19

687

6

8.7

 

20 +

419

7

16.7

  1. * Male smoker: OR = 9.5, 95%CI = 1.2-75.9; Female: OR = 5.6, 95%CI = 0.7-43.2.
  2. § in 2153 HCW with TST results including 14 TB cases.
  3. # 10-19 compared to 0-9: OR = 9.2, 95%CI = 1.1-76.6; 20+ compared to 0-9: OR = 17.6, 95%CI = 2.2-143.5.
  4. HCW = health care worker; TB = tuberculosis; TST = tuberculin skin test.