Table 4.
Univariable and Multivariable analyses of effect of rural residence and poor treatment outcome using Poisson regression showing crude and adjusted relative risks (RR) with 95% CIs, TB clinic, Aminu Kano Teaching Hospital, Kano, Nigeria
| No with poor outcome | Person-months of follow-up | Rate (95% CI) | Crude RR (95% CI) | Minimally-adjusted RR (95% CI)a | Fully adjusted RR (95% CI)b | |
|---|---|---|---|---|---|---|
| Residence | ||||||
| Urban | 380 | 5163.4 | 7.4 (6.6–8.1) | 1 | 1 | 1 |
| Rural | 256 | 1213.8 | 21.1 (18.7–23.8) | 3.21 (2.71–3.81) | 3.43 (2.89–4.07) | 2.74 (2.27–3.29) |
| HIV status | ||||||
| HIV-negative | 292 | 3252.2 | 9.0 (8.0–10.1) | 1 | 1 | 1 |
| HIV-positive | 264 | 2319.3 | 11.4 (10.1–12.8) | 1.27 (1.07–1.50) | 1.71 (1.43–2.06) | 1.40 (1.16–1.69) |
| HIV status unknown | 80 | 805.7 | 9.9 (8.0–12.4) | 1.11 (0.86–1.42) | 0.98 (0.75–1.29) | 0.85 (0.64–1.12) |
aadjusted for age, sex and calendar year
badjusted for age sex, calendar year, referral facility, TB confirmation mode, TB site, HIV status, and previous TB treatment status