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Table 2 Univariate and multivariate logistic regressions for the risk of an infection with a Beijing strain of lineage 2

From: Diversity of Mycobacterium tuberculosis and drug resistance in different provinces of Papua New Guinea

Explanatory variable Lineage 2 n = 67 (45.58%) Non-lineage 2 n = 80 (54.42%) Univariate regression: associations withM. tuberculosislineage 2 Multivariate regression: associations withM. tuberculosislineage 2
    Crude OR (95% CI) p-value Adj. OR (95% CI) p-value
Study site n (%)       
Goroka* 23 (34.33) 15 (18.75)     
Alotau 27 (40.30) 5 (6.25) 3.5 (1.11 - 11.18) 0.033 3.3 (1.0 - 10.8) 0.047
Madang 17 (25.37) 0 (75.00) 0.2 (0.08 - 0.43) <0.001 0.2 (0.1 - 0.4) <0.001
Sex, n (%) 31 (46.27) 37 (46.25) 1 (0.52 - 1.91) 0.99   
Men* 36 (53.73) 43 (53.75)     
Women       
Age - median years [IQR] 30 [25-42] 29 [22-40] 1 [0.99 - 1.05] 0.13 1.0 [0.98 - 1.1] 0.218
HIV status       
Negative* 19 (63.33) 44 (95.65) 12.74 (2.57 -    
Positive 11 (36.67) 2 (4.35) 63.07) 0.002   
TB treatment history, n (%)       
No* 55 (91.67) 66 (86.84)     
Yes 15 (11.03) 10 (13.16) 0.60 (0.19 - 1.86) 0.38   
Drug resistance (any type)       
No* 54 (83.08) 72 (92.31)     
Yes 11 (16.92) 6 (7.69) 2.44 (0.85 - 7.02) 0.097 2.5 (0.7 - 8.5) 0.153
  1. *reference category.
  2. IQR = interquartile range; OR = odds ratio. A p-value <0.05 was considered statistically significant.