Yield of household contact tracing for tuberculosis in rural South Africa

BMC Infectious Diseases

Table 3 Factors Associated with Newly Diagnosed TB among Household Contacts

Variable^a	Unadjusted	Adjusted^b
Variable^a	OR (95% CI)	aOR (95% CI)
Female Sex	4.06 (0.49–33.71)	4.51 (0.54–37.65)
Age (per 10 year increase)	0.97 (0.72–1.30)	1.00 (0.71–1.41)
Female-headed household	4.48 (0.87–23.08)	5.19 (1.06–25.44)
Head of household income (Per 500 Rand)	1.06 (0.96–1.17)	1.03 (0.94–1.14)
Education
8th grade or less	Ref	Ref
At least some high school	2.14 (0.49–9.40)	2.08 (0.47–9.19) ^c
More than high school	6.05 (1.07 - 34.40)	(6.88 - 1.19 - 39.66)^c
Unemployed	2.28 (0.56–9.25)	2.48 (0.62–9.96)
Number of HH members (Index case self-report)	1.12 (0.88–1.43)	1.14 (0.92–1.43)
TB Symptoms
At least one TB symptom	0.26 (0.05–1.30)	0.29 (0.06–1.44)
Symptom duration
No symptoms	Ref	Ref
< 1 month	0.32 (0.04–2.80)	0.35 (0.04–2.98)
> =1 month	0.22 (0.02–1.90	0.25 (0.03–2.13)

^aAll variables refer to the household contact unless otherwise indicated
^bMultilevel logistic regression model adjusted for Education status
^cMultilevel Logistic regression model adjusted results for education status after controlling for female head of household

ISSN: 1471-2334