Table 1 Viral load suppression by demographic and clinical characteristics of adolescents 10 to 19 years living with HIV in Ehlanzeni district, South Africa (N = 9386)

Current age (in years)

0.000

 10 to 14

4506 (48.01)

3455 (76.41)

1063 (23.59)

 15 to 19

4880 (51.99)

3603 (72.38)

1348 (27.62)

Gender

0.000

 Female

5158 (54.95)

3946 (76.50)

1212 (23.50)

 Male

4253 (44.57)

3029 (71.64)

1199 (28.36)

Pregnant at ART start (N = 5160)

0.001

 No

4729 (91.65)

3590 (75.91)

1139 (24.09)

 Yes

431 (8.35)

357 (82.83)

74 (17.17)

Age at ART start (in years)

0.000

 0 to 9

5512 (58.73)

4116 (74.67)

1396 (25.33)

 10 to 14

2548 (27.15)

1786 (70.09)

762 (29.91)

15 to 19

1326 (14.13)

1073 (80.92)

253 (19.08)

Duration on ART (in months)

0.002

 6 to 11 months

459 (4.89)

364 (79.30)

95 (20.70)

 12 to 17 months

450 (4.79)

332 (73.78)

118 (26.22)

 18 to 24 months

458 (4.88)

366 (79.91)

92 (20.09)

 25 months + 

8019 (85.44)

5913 (73.74)

2106 (26.26)

Initiated on Isoniazid Preventative Therapy (IPT)

0.002

 Yes

2111 (22.49)

1623 (76.88)

488 (23.12)

 No

7,275 (77.51)

5352 (73.57)

1923 (26.43)

History of TB

0.009

 Yes

78 (0.87%)

48 (61.54%)

30 (38.46%)

 No

8934 (99.13%)

6659 (74.54%)

2275 (25.46%)

CD4 count at last ART visit (n = 7999)

 < 200

1071 (13.39%)

608 (56.77%)

463 (43.23%)

0.000

 > 200

6928 (86.61%)

5284 (76.27%)

1644 (23.73%)

CD4 count at baseline

0.006

 CD4 < 200

1676 (28.16%)

1200 (71.60%)

476 (28.40%)

 CD4 > 200

4276 (71.84%)

3210 (75.07%)

1066 (24.93%)

WHO stage at initiation

0.000

 1

4067 (52.72%)

3106 (76.37%)

961 (23.63%)

 2

1873 (24.28%)

1363 (72.77%)

510 (27.23%)

 3

1527 (19.79%)

1088 (71.24%)

439 (28.75%)

 4

248 (3.21%)

176 (70.97%)

72 (29.03%)

Initiated same day

0.145

 Yes

808 (61.59%)

631 (78.09%)

177 (21.91%)

 No

504 (38.41%)

376 (74.60%)

128 (25.40%)

Initiated on second line ART

 Yes

1550 (16.51%)

888 (57.29%)

662 (42.71%)

0.000

 No

7836 (83.49%)

6087 (77.68%)

1749 (22.32%)