Table 1 Baseline data including demographics by injectin g status

Total

777

100

94

100

871

Exposure category

Heterosexual

149

19.2

30

31.9

179

MSM

628

80.8

64

68.1

692

Gender

Male

713

91.8

86

91.5

799

p = 0.001**

female

63

8.1

8

8.5

71

transgender

1

0.1

0

0.0

1

Age at first recorded contact with treatment service

Median, IQR

33.4

30.1

p < 0.001***

Age (years)

<25

37

4.8

11

11.7

48

25 - 34

242

31.1

43

45.7

285

35+

498

64.1

40

42.6

538

Initial CD4 cell count (cells/mm3)

Median number of CD4 records

11

10

p = 0.192

median, IQR

365.5

362

p = 0.461

<200

222

29.2

15

16.3

237

p = 0.506

200 - 349

130

17.1

27

29.3

157

350 - 499

150

19.7

18

19.6

168

500+

258

33.9

32

34.8

290

Total

760

100.0

92

852

Ever CD4 count < 200

56

7.4

5

8.2

61

p = 0.497

Ever CD4 count > 500

506

66.6

62

10.9

568

p = 0.876

Viral load

Median number of VL records

12

10

3 – 19

p = 0.785

Initial viral load (log ₁₀ copies)

Median IQR

34100

27150

5700 – 74900

p = 0.759

<4 log

263

34.7

31

10.5

294

4 - 4.99 log

261

34.4

44

14.4

305

5+ log

235

31.0

19

7.5

254

Total

759

100

94

11

853

Year of first recorded contact with treatment service

1996 - 1999

305

39.3

31

9.2

336

2000 - 2002

236

30.4

30

11.3

266

2003 - 2008

236

30.4

33

12.3

269

Total

777

100

94

10.8

871

Ever started ART

620

79.8

67

9.8

687

Year of Commencement of ART

1996 – 1999

83

133.9

10

10.8

93

2000 – 2002

137

221.0

10

6.8

147

2003 – 2005

183

295.2

18

9.0

201

2006 - 2008

214

345.2

29

11.9

243

Total

620

100

67

9.8

687

Ever AIDS (all)

216

27.8

16

6.9

232

p = 0.026*

Ever AIDS (ever ART)

206

33.2

14

6.4

220

p = 0.040*

Death (all)

52

6.7

4

7.1

56

p = 0.026*

Death (ever ART)

43

6.9

2

4.4

45

p = 0.214