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Table 1 Characteristics of study participants received the QFT test in the Hospital of Occupational Diseases (n = 244)

From: Prevalence of latent tuberculosis infection among coal workers’ pneumoconiosis patients in China: a cross-sectional study

Characteristics

n(%)or median(IQR)

Sex

 Male

244(100.0)

 Female

0(0.0)

Age(years)

67(64–75)

  < 60

20(8.2)

 60~ 70

125(51.2)

  ≥ 70

99(40.6)

Ethnic origin

 Ethnic Han

242(99.2)

 Other ethnic groups

2(0.8)

BMI(kg/m2) a

25.6(23.5–27.3)

 18.5~ 25

99(40.7)

  ≥ 25

144(59.3)

Highest education level

 Primary school or lower

123(50.4)

 Middle school

95(38.9)

 High school

26(10.7)

Marital status

 Married

229(93.9)

 Divorced or Widowed

15(6.1)

Personal income per month (RMB)

3050(3000–3700)

  < 3000

29(11.9)

 3000~ 4000

178(72.9)

  ≥ 4000

37(15.2)

Family income per head per month(RMB)a

4500(3500–6000)

  < 6000

137(67.2)

 6000~ 10,000

49(24.0)

  ≥ 10,000

18(8.8)

Place of Birth

 City

23(9.4)

 Countryside

221(90.6)

  1. QFT QuantiFERON-TB Gold In-Tube, IQR interquartile range, BMI body mass index, RMB Renminbi
  2. a Sum may not equal the total because of missing data