Table 3 Logistic regression analysis of risk factors associated with LTBI
Characteristics | Â | Unadjusted odds ratio (95Â % CI) | Adjusted odds ratio (95Â % CI) |
|---|---|---|---|
Individual-level characteristics | |||
Age in years |  | 1.17 (1.08–1.26) | 1.03 (1.01–1.05) |
 Sex | Female | 1.00 | 1.00 |
Male | 1.25 (0.84–1.86) | 2.70 (1.55–4.70) | |
 HIV status | Negative | 1.00 |  |
Positive | 0.85 (0.49–1.46) |  | |
 BMI categories | Normal/Underweight | 1.00 |  |
Overweight | 1.33 (0.80–2.19) |  | |
Obese | 0.97 (0.60–1.59) |  | |
 Anaemia | Non-anaemic | 1.00 |  |
Anaemic | 0.87 (0.58–1.31) |  | |
 Education level | ≤ Primary | 1.00 |  |
≥ Secondary | 0.83 (0.53–1.30) |  | |
 Employment status | Unemployed | 1.00 |  |
Employed | 0.99 (0.64–1.54) |  | |
 Marital status | Not living with a partner | 1.00 | 1.00 |
Living with a partner | 1.90 (1.50–3.14) | 2.00 (1.13–3.54) | |
 Household contact with TB | No | 1.00 | 1.00 |
Yes | 2.33 (1.03–5.28) | 2.27 (0.76–6.82) | |
 Smoking | No | 1.00 |  |
Yes | 1.33 (0.84–2.11) |  | |
 Alcohol consumption | No | 1.00 |  |
Yes | 1.16 (0.76–1.78) |  | |
Household- and neighbourhood-level characteristics | Â | ||
Household exposure to | No | 1.00 | Â |
secondary smoking | Yes | 1.01 (0.61–1.69) |  |
Household number of | <3 | 1.00 | Â |
   rooms | ≥3 | 1.62 (1.05–2.50) |  |
Household ventilation | Always/Only when warm | 1.00 | Â |
(sleep with window open) | Never/No windows | 1.37 (0.29–6.53) |  |
Household SES | Low | 1.00 | 1.00 |
Medium | 1.20 (0.73–1.96) | 1.73 (0.85–3.52) | |
High | 1.50 (0.91–2.47) | 2.11 (1.04–4.31) | |
Household density | Low (<300/km2) | 1.00 | Â |
Medium (300–600/km2) | 1.24 (0.77–1.98) |  | |
High (>600/km2) | 0.84 (0.52–1.36) |  | |