Table 2 Baseline characteristics of the study participants

Age, yrs

40.7 (SD = 9.7)

39.4 (SD = 9.2)

44.7 (SD = 10.4)

<0.001

Age categories, yrs

<0.001

 18 to 30

1983 (12.4%)

1728 (14.3%)

255 (6.6%)

 31 to 50

11,458 (71.8%)

8892 (73.7%)

2566 (65.9%)

 Over 50

2411 (15.1%)

1349 (11.2%)

1062 (27.3%)

Sex

<0.001

 Male

5077 (31.8%)

3521 (29.2%)

1556 (40.0%)

 Female

10,876 (68.2%)

8540 (70.8%)

2336 (60.0%)

Baseline BP, mm Hg

 Systolic

119.2 (SD = 47.5)

115.5 (SD = 49.3)

145.7 (SD = 15.9)

<0.001

 Diastolic

77.0 (SD = 12.8)

74.7 (SD = 11.4)

93.8 (SD = 9.9)

<0.001

Baseline ART regimen

<0.001

 TDF-3TC-EFV

7258 (45.9%)

5918 (49.7%)

1340 (34.5%)

 AZT-3TC-NVP

4227 (26.7%)

2929 (24.6%)

1298 (33.4%)

 AZT-3TC-EFV

1801 (11.4%)

1306 (11.0%)

495 (12.7%)

 TDF-3TC-NVP

1054 (6.7%)

752 (6.3%)

302 (7.8%)

 Others

1470 (9.3%)

1015 (8.5%)

455 (11.7%)

<0.001

 < 2 years

3638 (23.0%)

2885 (24.2%)

753 (19.4%)

 2 to 5yrs

5512 (34.9%)

4453 (37.4%)

1059 (27.2%)

 5 to 10yrs

5675 (35.9%)

4004 (33.6%)

1671 (43.0%)

 > 10yrs

985 (6.2%)

578 (4.9%)

407 (10.5%)

Baseline CD4 count

365.3 (SD = 292.3)

365.9 (SD = 292.1)

363.6 (SD = 293.2)

0.674

0.162

 <50

2110 (13.2%)

1610 (13.4%)

500 (12.9%)

 50–<100

1041 (6.5%)

760 (6.3%)

281 (7.2%)

 100–<200

2123 (13.3%)

1591 (13.2%)

532 (13.7%)

 >200

10,657 (66.9%)

8080 (67.1%)

2577 (66.3%)

0.130

 Underweight (<19.0)

1221 (8.1%)

887 (7.8%)

334 (9.0%)

 Normal weight (19.0 to <25.0)

6774 (44.9%)

5122 (45.0%)

1652 (44.6%)

 Overweight (25.0 to <30.0)

4175 (27.7)

3159 (27.8%)

1016 (27.4%)

 Obese (≥30.0)

2913 (19.3)

2210 (19.4%)

703 (19.0%)