Bivariate analysis | Multi-variable model n = 1,678 | ||||||
---|---|---|---|---|---|---|---|
Attrition N | HR of attrition | 95% CI | p-value | aHR of attrition | 95% CI | p-value | |
Time on ART prior to data collection | |||||||
18 months on ART | 52 | Ref | Ref | ||||
6 months on ART | 25 | 1.1 | [0.8 – 1.7] | 0.517 | 1.3 | [0.9 - 1.9] | 0.190 |
12 months on ART | 58 | 1.7 | [1.2 - 2.4] | 0.003 | 1.8 | [1.3 - 2.5] | 0.000 |
Age | |||||||
18-25 years | 27 | Ref | Ref | ||||
26-35 years | 48 | 0.8 | [0.5 - 1.2] | 0.195 | 0.8 | [0.5 - 1.3] | 0.395 |
36-45 years | 44 | 0.9 | [0.6 - 1.2] | 0.318 | 1.0 | [0.7 - 1.4] | 0.864 |
46+ years | 16 | 0.6 | [0.4 - 0.9] | 0.014 | 0.8 | [0.5 - 1.3] | 0.379 |
Gender | |||||||
Females | 48 | Ref | Ref | ||||
Males | 87 | 1.3 | [1.0 - 1.6] | 0.066 | 1.4 | [1.0 - 1.8] | 0.027 |
Source of referral to ART clinic | |||||||
Voluntary Counseling and Testing | 70 | Ref | Ref | ||||
PMTCT services | 35 | 2.1 | [1.6 - 2.7] | 0.000 | 2.2 | [1.6 - 3.0] | 0.000 |
In-patient ward | 15 | 4.1 | [3.0 - 5.6] | 0.000 | 4.2 | [3.0 - 5.7] | 0.000 |
Other | 15 | 1.6 | [1.2 - 2.2] | 0.001 | 1.5 | [1.1 - 2.0] | 0.004 |
CD4+ count at ART initiation (cells/μL) | |||||||
0 – 199 | 69 | Ref | Ref | ||||
200+ | 45 | 0.7 | [0.5 - 0.9] | 0.005 | 0.8 | [0.6 - 1.0] | 0.031 |
Missing | 21 | 1.0 | [0.7 - 1.3] | 0.763 | 1.0 | [0.8 - 1.3] | 0.811 |
Initial ART regimen | |||||||
Stavudine containing | 80 | Ref | Ref | ||||
Zidovudine containing | 54 | 1.1 | [0.9 - 1.3] | 0.423 | 1.0 | [0.8 - 1.2] | 0.944 |
Tenofovir containing | 1 | 1.6 | [0.7 - 3.6] | 0.240 | 1.7 | [0.8 - 3.9] | 0.165 |
Location | |||||||
Rural | 32 | Ref | Ref | ||||
Urban | 103 | 1.5 | [1.1 - 2.0] | 0.005 | 1.4 | [1.1 - 1.8] | 0.013 |
Facility level* | |||||||
Hospitals | 52 | Ref | Ref | ||||
Health centers | 83 | 0.9 | [0.7 - 1.2] | 0.483 | 0.8 | [0.6 - 1.1] | 0.226 |
Start of performance based financing | |||||||
2007-2008 | 85 | Ref | Ref | ||||
2004-2006 | 50 | 0.9 | [0.6 - 1.2] | 0.239 | 0.8 | [0.6 - 0.9] | 0.016 |
Home support visits for PLWHA available | |||||||
No | 60 | Ref | Ref | ||||
Yes | 75 | 1.2 | [0.9 - 1.6] | 0.415 | 1.2 | [1.0 - 1.6] | 0.097 |