Table 2

Factors associated with loss from care, estimated from Cox proportional hazards models, based on data in clinic registers (uncorrected) and corrected for the outcomes among patients who were successfully traced

CharacteristicsUncorrected HR* (95% CI)P valuesCorrected HR* (95% CI)P values
Sociodemographic
Sex0.380.07
 Female1
 Male1.17 (0.82 to 1.68)1.39 (0.97 to 1.99)
Age per 10 years0.0070.01
0.79 (0.66 to 0.94)0.71 (0.54 to 0.93)
Location<0.001<0.001
 Urban11
 Rural1.95 (1.68 to 2.27)2.02 (1.49 to 2.73)
Clinical†
CD4 count (per 100 cells)0.220.41
1.04 (0.98 to 1.10)1.05 (0.93 to 1.20)
Weight per 10 kg‡<0.001<0.001
 Linear term0.94 (0.80 to 1.11)1.03 (0.74 to 1.42)
 Quadratic term1.03 (1.02 to 1.04)0.94 (0.90 to 0.98)
  • *Sociodemographic variables adjusted for all sociodemographic variables in the table. Clinical variables adjusted for all variables in the table.

  • †Analysis of associations with clinical variables restricted to urban patients.

  • ‡Weight is scaled (divided by 10) and centred on mean weight in the analysis.