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

BMC Microbiology

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

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

*reference category.
IQR = interquartile range; OR = odds ratio. A p-value <0.05 was considered statistically significant.

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