Determinants of Pulmonary Tuberculosis among Inmates at Mangaung Maximum Correctional Facility in Bloemfontein, South Africa

Table 2

Risk factors and degree of association (odds ratios).

Risk factor	Odds ratio	95% CI
Age (years)
21–30	1
31–40	1.02	0.64–1.62
41–50	0.51	0.27–0.97
≥51	0.65	0.08–5.17
BMI
Below 18.5	1
Above 18.5	0.21	0.14–0.32
HIV
Negative	1
Positive	4.2	2.64–7.00
CD4 count
>350	1
≤350	1.83	0.98–3.39
Smoking
Nonsmoker	1
Smoker	1.03	0.65–1.63
Ex-smoker	2.10	1.16–3.81
Previous TB
No	1
Yes	3.58	2.25–5.70
Substance abuse
No	1
Yes	1.87	1.21–2.92