Table 3.

Factors associated with the core knowledge of tuberculosis (TB) among undergraduates in medical university in Southwest China

	OR (95% CI)
Factors	TB symptoms of cough and blood-tinged sputum	TB as one infectious disease	TB as one curable disease	TB dispensary	TB-free policy
Gender
Female	Reference	Reference	Reference	Reference	Reference
Male	0.1 (0.1, 0.2)	1.8 (1.3, 2.7)	0.8 (0.6, 1.1)	1.7 (1.3, 2.4)	1.9 (1.5, 2.4)
Grade
Year 1	Reference	Reference	Reference	Reference	Reference
Year 2	1.6 (1.5, 1.9)	1.7 (1.5, 1.9)	1.3 (0.9, 1.8)	1.1 (0.8, 1.5)	1.6 (1.2, 2.0)
Year 3	1.8 (1.2,2.6)	1.2 (0.8,1.7)	1.1 (0.7, 1.5)	1.1 (0.8, 1.6)	1.7 (1.2, 2.3)
Major
Clinic medicine	Reference	Reference	Reference	Reference	Reference
Non-clinic medicine	1.1 (0.8, 1.4)	1.7 (0.5, 1.9)	1.2 (0.9, 1.6)	1.1 (0.8, 1.4)	0.8 (0.6, 1.1)
Access to TB-health education
Yes	Reference	Reference	Reference	Reference	Reference
No	0.5 (0.4, 0.7)	0.4 (0.3, 0.5)	0.6 (0.5, 0.7)	0.6 (0.5, 0.8)	0.7 (0.5, 0.8)