Skip to main content

Table 3 Factors Associated with Newly Diagnosed TB among Household Contacts

From: Yield of household contact tracing for tuberculosis in rural South Africa

Variablea Unadjusted Adjustedb
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)
  1. aAll variables refer to the household contact unless otherwise indicated
  2. bMultilevel logistic regression model adjusted for Education status
  3. cMultilevel Logistic regression model adjusted results for education status after controlling for female head of household