Outcomes at 15 months of second-line ART.

aChi2 was used for comparison of proportions; paired t-test was used for comparison of mean CD4 count increase;bcause of death was available for 19/24 patients: 12 "natural causes" not further specified, 3 pneumonia, 1 tuberculosis, 1 cryptococcal meningitis, 1 gastroenteritis, 1 cerebro-vascular accident;cPatients with missing outcome who transferred out of programme or left employment for reasons other than ill-health were excluded from the analysis (N = 2 workplace, N = 1 community). All other patients with missing outcome were treated as failures (N = 11 workplace, N = 12 community);dPatients with ≥1 VL measurement following initial viral suppression (VL