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Table 2 Determinants associated with correct answers, estimated by univariable analysis

From: Knowledge about tuberculosis among undergraduate health care students in 15 Italian universities: a cross-sectional study

Correct answers

Increasing age

Gender

To be a medical student

Previous TST

TB is an infectious disease caused by various strains of Mycobacteria genus, mainly M. tuberculosis

OR = 1.05

OR = 0.91

OR = 3.16

OR = 0.49

95% CI = 0.98-1.12

95% CI = 0.62-1.36

95% CI = 3.28-17.1

95% CI = 0.31-0.77

p = 0.12

p = 0.67

p < 0.0001

p = 0.002

TB does not affect only the lungs

OR = 1.09

OR = 1.15

OR = 2.44

OR = 0.41

95% CI = 1.05-1.13

95% CI = 0.93-1.42

95% CI = 7.46-17.33

95% CI = 0.33-0.52

p < 0.0001

p = 0.178

p < 0.0001

p < 0.0001

The most frequent outcome of the M. tuberculosis infection is the latent TB infection

OR = 1.11

OR = 1.27

OR = 4.36

OR = 0.79

95% CI = 1.08-1.15

95% CI = 1.06-1.52

95% CI = 3.47-5.50

95% CI = 0.66-0.95

p < 0.0001

p = 0.011

p < 0.0001

p = 0.013

Most of 50% of patients affected by active tuberculosis died

OR = 1.00

OR = 0.86

OR = 0.76

OR = 0.97

95% CI = 0.98-1.02

95% CI = 0.71-1-03

95% CI = 0.63-0.93

95% CI = 0.81-1.17

p = 0.92

p = 0.108

p = 0.007

p = 0.77

The treatment of the tuberculosis need the long-time use of antibiotics

OR = 1.13

OR = 1.46

OR = 5.87

OR = 0.40

95% CI = 1.09-1.18

95% CI = 1.18-1.80

95% CI = 4.24-8.12

95% CI = 0.32-0.51

p < 0.0001

p < 0.0001

p < 0.0001

p < 0.0001

The multidrug resistence of some strains of M. tuberculosis is an emergent concern

OR = 1.05

OR = 1.21

OR = 4.04

OR = 0.49

95% CI = 1.01-1.08

95% CI = 0.97-1.50

95% CI = 2.96-5.51

95% CI = 0.39-0.62

p = 0.005

p = 0.088

p < 0.0001

p < 0.0001

A vaccine against tuberculosis is available

OR = 1.00

OR = 1.04

OR = 1.50

OR = 1.20

95% CI = 0.97-1.04

95% CI = 0.79-1.35

95% CI = 1.10-2.03

95% CI = 0.92-1.56

p = 0.78

p = 0.79

p = 0.009

p = 0.171

The effectiveness of anti-tuberculosis vaccine is quite low

OR = 1.04

OR = 1.19

OR = 2.91

OR = 0.52

95% CI = 1.01-1.06

95% CI = 0.98-1.43

95% CI = 2.31-3.66

95% CI = 0.43-0.63

p = 0.007

p = 0.078

p < 0.0001

p < 0.0001

The TB vaccine is prepared with the Bacillus Calmette-Guérin

OR = 1.07

OR = 1.47

OR = 5.59

OR = 0.62

95% CI = 1.94-1.09

95% CI = 1-24-1.77

95% CI = 4.54-6.89

95% CI = 0.52-0.75

p < 0.0001

p < 0.0001

p < 0.0001

p < 0.0001

TST is not a vaccine

OR = 1.04

OR = 1.09

OR = 1.44

OR = 1.42

95% CI = 1.01-1.09

95% CI = 0.82-1.42

95% CI = 1.06-1.96

95% CI = 1.09-1.85

p = 0.04

p = 0.558

p = 0.021

p = 0.009

TST is not a laboratory test to detect M. tuberculosis in the sputum

OR = 1.07

OR = 1.14

OR = 4.32

OR = 0.66

95% CI = 1.04-1.10

95% CI = 0.94-1.38

95% CI = 3.32-5.60

95% CI = 0.54-0.80

p < 0.0001

p = 0.189

p < 0.0001

p < 0.0001

TST is not a drug for M. tuberculosis infection

OR = 1.05

OR = 1.22

OR = 4.05

OR = 0.71

95% CI = 1.03-1.08

95% CI = 1.02-1.45

95% CI = 3.39-4.99

95% CI = 0.59-0.85

p < 0.0001

p = 0.028

p < 0.0001

p < 0.0001