Table 4 Factors associated with ART regimen switch to second line

Facility support type

Standard

1.0

1.0

Model

2.45 (1.84, 3.25)

2.17 (1.55, 3.03)

ART regimen at start

TDF based

1.0

1.0

AZT based

2.35 (1.75, 3.16)

2.00 (1.40, 2.85)

Other

4.57 (0.62, 33.74)

4.70 (0.58, 38.01)

Baseline CD4 (cells/microlitre)^†

Top quartile

1.0

1.0

2nd quartile

1.62 (0.96, 2.73)

1.77 (1.04, 2.99)

3rd quartile

1.22 (0.70, 2.13)

1.21 (0.69, 2.11)

4th quartile

2.54 (1.56, 4.12)

2.40 (1.47, 3.90)

Duration on ART

0–1 year

1.0

1.0

1–2 years

5.03 (1.46, 17.0)

3.27 (0.70, 15.21)

2–3 years

7.60 (2.28, 25.37)

6.87 (1.61, 29.27)

3–4 years

19.20 (5.95, 61.96)

10.98 (2.62, 45.98)

4 + years

%1.%2(1.60, 15.85)

(0.93, 15.60)