Table 3. Univariable and multivariable model of characteristics associated with loss to follow-up from pre-ART care in Lilongwe, Malawi.
| Characteristics | n | Unadjusted RR (95% CI) | P-value | Adjusted RR (95% CI) | P-value | ||
|---|---|---|---|---|---|---|---|
| Gender | <0.001 | <0.001 | |||||
| Female | 1098 | 0.75 | (0.66–0.86) | 0.74 | (0.64–0.87) | ||
| Male | 809 | 1.00 | 1.00 | ||||
| Age | <0.001 | <0.001 | |||||
| 15–24 | 361 | 1.11 | (0.94–1.31) | 1.13 | (0.95–1.36) | ||
| 25–34 | 865 | 1.00 | 1.00 | ||||
| 35–44 | 457 | 0.79 | (0.66–0.94) | 0.72 | (0.59–0.87) | ||
| 45+ | 220 | 0.77 | (0.61–0.96) | 0.73 | (0.57–0.94) | ||
| BMI category | 0.042 | 0.113 | |||||
| <18.5 | 157 | 1.26 | (1.01–1.57) | 1.20 | (0.94–1.54) | ||
| 18.5–24.9 | 1238 | 1.00 | 1.00 | ||||
| 25.0+ | 367 | 0.85 | (0.72–1.01) | 0.90 | (0.75–1.09) | ||
| CD4 count at registration | <0.001 | ||||||
| <350 | 376 | 1.00 | |||||
| 350–500 | 363 | 0.43 | (0.35–0.54) | - | - | ||
| >500 | 354 | 0.56 | (0.46–0.69) | - | - | ||
| WHO clinical stage | 0.001 | 0.001 | |||||
| 1 or 2 | 1352 | 1.00 | 1.00 | ||||
| 3 | 222 | 1.35 | (1.11–1.64) | 1.31 | (1.07–1.60) | ||
| 4 | 61 | 1.68 | (1.18–2.37) | 1.60 | (1.13–2.27) | ||
RR: risk ratio; CI: confidence interval; adjusted models were based on available data only; CD4 was excluded in the multivariable analysis because data were available in 57% only