Table 1 Demographic and clinical characteristics of all study participants
Variable | All | Age 25–29 years | Age 30–49 years | P-value for χ2 test | |
|---|---|---|---|---|---|
n (%) | Median [IQR] | na (%) | na (%) | ||
Age | 5714 | 35 [31, 39] | |||
Smoking | 5661 | 1018 (18.0) | 4643 (82.0) | 0.008b | |
Yes | 285 (50.0) | 68 (6.7) | 217 (4.7) | ||
No | 5376 (94.1) | 950 (93.3) | 4426 (95.3) | ||
Missing | 53 (1.0) | ||||
Sexual debut | 5689 | 18 [17, 21] | 1024 (18.0) | 4665 (82.0) | 0.02b |
≤ 18 | 3150 (55.3) | 533 (52.1) | 2617 (56.1) | ||
> 18 | 2539 (44.4) | 491 (47.9) | 2048 (43.9) | ||
Missing | 25 (0.4) | ||||
Parity | 5612 | 2 [1, 3] | 1001 (17.8) | 4611 (82.2) | < 0.001b |
≤ 2 | 3223 (56.4) | 815 (81.4) | 2408 (52.2) | ||
> 2 | 2389 (41.8) | 186 (18.6) | 2203 (47.8) | ||
Missing | 102 (1.8) | ||||
HIV status | 5583 | 989 (17.7) | 4594 (82.3) | < 0.001b | |
Negative | 557 (9.7) | 140 (14.2) | 417 (9.1) | ||
Positive | 5026 (88.0) | 849 (85.8) | 4177 (90.9) | ||
Missing | 131 (2.3) | ||||
Initial CD4 at HIV diagnosisc | 4475 | 250 [150, 428] | 760 (16.9) | 3715 (83.1) | < 0.001b |
≤ 350 | 2308 (45.9) | 304 (40.0) | 2004 (53.9) | ||
> 350 | 2167 (43.1) | 456 (60.0) | 1711 (46.1) | ||
Missing | 551 (11.0) | ||||
On ART at time of screeningc | 4766 | 802 (16.8) | 3964 (83.2) | < 0.001b | |
Yes | 1628 (32.4) | 346 (43.1) | 1282 (32.3) | ||
No | 3138 (62.4) | 456 (56.9) | 2682 (67.7) | ||
Missing | 260 (5.2) | ||||
VIA results | 5714 | 1029 (18.0) | 4685 (82.0) | < 0.001b | |
Positive | 1959 (34.3) | 428 (41.6) | 1531 (32.7) | ||
Negative | 3755 (65.7) | 601 (58.4) | 3154 (67.3) | ||