Table 2. Predictors of TB positivity amongst all TB symptomatics.

Owing to the size of the dataset, all associations shown as significant have p < 10⁻⁵, with the exception of Mumbai patients referred by ART centres (p = 0.01).

Predictor	Levels	Odds ratio, unadjusted (95% C.I.)	Odds ratio, adjusted (95% C.I.)
Mumbai TU
Sex	Female	0.84 (0.77, 0.91)	0.85 (0.79, 0.93)
	Male	Reference	Reference
HXTB	Previous history	2.4 (2.22, 2.61)	2.22 (2.05, 2.42)
	No previous history	Reference	Reference
Age	Child	0.42 (0.35, 0.5)	0.49 (0.4, 0.59)
	Adult	Reference	Reference
	Elderly	0.56 (0.48, 0.65)	0.56 (0.48, 0.65)
Provider	Private	2.19 (1.85, 2.59)	1.95 (1.65, 2.32)
	Medical College	1.52 (1.4, 1.66)	1.32 (1.21, 1.43)
	NGO	1.51 (1.1, 2.06)	1.57 (1.13, 2.16)
	ART Centre	0.59 (0.32, 1.01)	0.47 (0.25, 0.82)
	Public	Reference	Reference
Other TUs
Sex	Female	0.61 (0.58, 0.63)	0.62 (0.6, 0.65)
	Male	Reference	Reference
HXTB	Previous history	3.06 (2.95, 3.18)	2.92 (2.81, 3.03)
	No previous history	Reference	Reference
Age	Child	0.37 (0.33, 0.41)	0.43 (0.38, 0.48)
	Adult	Reference	Reference
	Elderly	0.63 (0.61, 0.66)	0.6 (0.57, 0.63)
Provider	Private	1.3 (1.17, 1.45)	1.38 (1.23, 1.53)
	Medical College	1.19 (1.13, 1.25)	1.11 (1.06, 1.17)
	NGO	0.76 (0.71, 0.83)	0.94 (0.87, 1.02)
	ART Centre	0.79 (0.68, 0.9)	0.69 (0.59, 0.79)
	Public	Reference	Reference
Area	Tribal & Hilly	1.15 (1.1, 1.2)	1.11 (1.06, 1.17)
	Urban	1.2 (1.16, 1.25)	1.07 (1.03, 1.11)
	Rural	Reference	Reference