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Table 5 Multiple linear regression analysis of determinants of the percentage of correct answers

From: Knowledge and determinants regarding tuberculosis among medical students in Hunan, China: a cross-sectional study

 

β

S b

b’

t

P

95%CI

Epidemiology and prevention

constant

40.8

1.3

 

30.6

< 0.001

(38.2, 43.5)

 Observed at least one TB case

  Yes

5.6

1.7

0.1

3.4

0.001

(2.4, 8.9)

 Observed at least one X-ray of TB case

  Yes

8.2

1.8

0.2

4.5

< 0.001

(4.6, 11.8)

Diagnosis

constant

24.8

1.4

 

17.8

< 0.001

(22.0, 27.5)

 Age

   ≥ 23

3.9

1.1

0.1

3.6

< 0.001

(1.8, 6.1)

 Observed at least one TB case

  Yes

3.9

1.6

0.1

2.4

0.015

(0.8, 7.1)

 Observed at least one X-ray of TB case

  Yes

5.7

1.8

0.1

3.2

0.001

(2.2, 9.2)

Treatment

constant

34.2

1.8

 

18.7

< 0.001

(30.6, 37.8)

 Observed at least one TB case

  Yes

10.1

2.3

0.2

4.5

< 0.001

(5.68, 14.5)

 Observed at least one X-ray of TB case

  Yes

7.0

2.5

0.1

2.8

0.005

(2.2, 11.8)

 I am at risk for TB

  Yes

−3.5

1.5

−0.1

−2.4

0.019

(−6.5, −0.6)

Total

constant

32.1

1.1

 

28.3

< 0.001

(29.9, 34.4)

 Age

   ≥ 23

2.8

0.9

0.1

3.2

0.002

(1.1, 4. 6)

 Observed at least one TB case

  Yes

5.5

1.3

0.2

4.2

< 0.001

(2.9, 8.1)

 Observed at least one X-ray of TB case

  Yes

6.7

1.5

0.2

4.6

< 0.001

(3.8, 9.5)