Table 1.
Demographic and obstetric characteristics of HIV positive, false positive, and negative women.
| Characteristic |
Positive N = 172 |
False positive N = 145 |
Negative N = 47391 |
P | ||
|---|---|---|---|---|---|---|
| Positive versus false positive |
Positive versus negative |
False positive versus negative |
||||
| Age: mean ± std | 27.4 ± 6.2 | 23.9 ± 5.7 | 26.2 ± 5.9 | <0.001 | 0.012 | <0.001 |
|
| ||||||
| Age | <0.001 | 0.021 | 0.002 | |||
| <18 | 2 (1) | 16 (11) | 2494 (5) | |||
| 18–35 | 152 (88) | 124 (86) | 41412 (87) | |||
| >35 | 18 (10) | 5 (3) | 3485 (7) | |||
|
| ||||||
| Race | <0.001 | <0.001 | 0.102 | |||
| Black | 116 (67) | 19 (13) | 4422 (9) | |||
| White | 16 (9) | 8 (6) | 1955 (4) | |||
| Hispanic | 38 (22) | 118 (81) | 39975 (84) | |||
| Other | 2 (1) | 0 (0) | 1039 (2) | |||
|
| ||||||
| Nulliparous | 45 (26) | 63 (43) | 14488 (31) | 0.001 | 0.210 | <0.001 |
|
| ||||||
| Parity | 0.002 | 0.009 | 0.004 | |||
| 0 | 45 (26) | 63 (43) | 14488 (31) | |||
| 1 | 53 (31) | 47 (32) | 14732 (31) | |||
| 2 | 35 (20) | 21 (14) | 10690 (23) | |||
| 3 | 19 (11) | 9 (6) | 4893 (10) | |||
| >3 | 20 (12) | 5 (3) | 2588 (5) | |||
|
| ||||||
| Multiple gestation | 1 (1) | 0 (0) | 531 (1) | 0.358 | 0.502 | 0.200 |
Data expressed as N (%) or mean ± standard deviation.