Table 1.

Association of variables with M. tuberculosis genotype clustering by IS6110-RFLP analysis (n = 183)

	Genotype clustering
Demographic characteristics	No	Yes	Unadjusted OR	95%CI	P value
Sex
Female	37	44	Reference
Male	47	55	0.98	0.55–1.77	0.957, NS
Age, years
>40	22	17	Reference
<40	62	82	0.58	0.28–1.19	0.140, NS
HIV sero-status
Negative	46	57	Reference
Positive	38	42	0.89	0.49–1.60	0.702, NS
Drug susceptibility*
Sensitive	80	93	Reference
Any resistance	4	6	1.29	0.35–4.73	0.701, NS

OR = odds ratio; CI = confidence interval; NS = not significant; * = susceptibility to isoniazid and rifampicin only.