Table 3. Associations between symptoms in the screening questionnaire and bacteriologically confirmed TB (n = 20,560).

		Unadjusted Odds Ratio (95%CI)		p-value	Adjusted OR (95%CI)*		p-value
Cough
	≥2 weeks	9.5	(6.2–14.5)	<.0001	3.9	(2.5–6.1)	<.0001
	8–13 days	4.2	(1.6–11.0)	0.004	3.1	(1.2–8.3)	0.025
	<7 days or none	1			1
Productive Cough†
	Yes	4.6	(3.2–6.6)	<.0001
	No	1
Haemoptysis
	Yes	2.4	(1.3–4.5)	0.007
	No	1
Fever >7 days§
	Yes	4.1	(2.5–7.0)	<.0001
	No	1
Night sweats >7 days**
	Yes	3.6	(2.4–5.5)	<.0001
	No	1
Weight loss resulting in changed fit of cloths
	Yes	5.2	(3.8–7.1)	<.0001	2.9	(2.1–4.1)	<.0001
	No	1			1
CXR reading by clinical officer
	Pulmonary/pleural abnormality	46.9	(24.6–89.5)	<.0001	32.3	(16.3–64.2)	<.0001
	Other abnormality	7.4	(1.5–35.7)	0.013	6.4	(1.3–31.2)	0.021
	Normal	1			1
	No CXR	4.4	(1.1–17.3)	0.034	4.7	(1.2–18.0)	0.024

^*Only variables that significantly contributed to the multiple logistic regression model were included in the final model.

CI = Confidence Interval CXR = chest radiograph †§**Due to missing values: *n = 20,522; †n = 20,452; §n = 20,450.