Table 3 Univariate analysis of PTB and biological factors

Age

< 15

9

1.3

31

3.8

12.431

0.000

4.054 (1.862–8.826)

15–29

189

27.2

291

35.8

15.395

0.000

1.812 (1.347–2.439)

30–44

164

23.6

212

26.1

7.031

0.008

1.521 (1.116–2.075)

45–59

180

25.9

149

18.3

0.026

0.873

0.974 (0.708–1.340)

≥ 60

153

22

130

16

1.000

Gender

Male

489

70.4

549

67.5

1.400

0.237

0.876 (0.704–1.091)

Female

206

29.6

264

32.5

1.000

BCG vaccination

No

300

65.8

325

76.1

11.269

0.001

1.657 (1.234–2.225)

Yes

156

34.2

102

23.9

1.000

BMI value

< 18.5

112

16.5

87

11

10.062

0.002

0.612 (0.452–0.829)

≥ 25

54

7.9

50

6.3

2.359

0.125

0.730 (0.488–1.091)

18.5–24.9

514

75.6

652

82.6

1.000

Chronic bronchitis

Yes

121

17.4

364

44.8

121.108

0.000

3.846 (3.025–4.888)

No

574

82.6

449

55.2

1.000

Diabetes

Yes

19

2.7

14

1.7

1.761

0.184

0.623 (0.310–1.253)

No

676

97.3

799

98.3

1.000

HIV/AIDS

Yes

3

0.4

1

0.1

1.186

0.276

0.284 (0.029–2.737)

No

692

99.6

812

99.9

1.000

Kidney disease

Yes

1

0.1

4

0.5

1.214

0.271

3.431 (0.383–30.772)

No

694

99.9

809

99.5

1.000

Mental disease

Yes

2

0.3

1

0.1

0.483

0.487

0.427 (0.039–4.716)

No

693

99.7

812

99.9

1.000

Parasitic infection

Yes

0

0

2

0.3

0.000

0.999

0.000 (0.000–0.000)

No

588

100

582

99.7

1.000

Pneumoconiosis

Yes

16

2.3

6

0.7

5.739

0.017

0.316 (0.123–0.811)

No

679

97.7

807

99.3

1.000

Other bio-related complication(s)

Yes

125

18

69

8.5

28.942

0.000

0.423 (0.309–0.579)

No

570

82

744

91.5

1.000