Table 1.
Comparison of the demographic and clinical characteristics of women with a single pregnancy and those with repeat pregnancies, 2000-2009
| Characteristic | Number of women with a single pregnancy (%) |
Number of women with repeat pregnancies (%) |
p-value |
|---|---|---|---|
| Total | 6423 (100) | 2238 (100) | - |
|
| |||
| Year | |||
| 2000-2002 | 1254 (19.5) | 815 (36.4) | <0.001 |
| 2003-2005 | 2208 (34.4) | 912 (40.8) | |
| 2006-2009 | 2961 (46.1) | 511 (22.8) | |
|
| |||
| Age (years)* (n=8618) | |||
| Median (IQR) | 29.9 (26.1-34.0) | 27.9 (24.4-31.5) | <0.001 |
|
| |||
| Ethnic group (n=8591) | |||
| White | 819 (12.9) | 287 (12.8) | 0.590 |
| Black African | 5019 (79.0) | 1754 (78.4) | |
| Other | 515 (8.1) | 197 (8.8) | |
|
| |||
| Region of birth (n=8488) | |||
| UK and Ireland | 771 (12.3) | 315 (14.1) | <0.001 |
| Europe | 209 (3.3) | 52 (2.3) | |
| Eastern Africa | 2878 (46.0) | 895 (40.0) | |
| Middle Africa | 396 (6.3) | 217 (9.7) | |
| Western Africa | 954(15.3) | 458 (20.5) | |
| Southern Africa | 576 (9.2) | 161 (7.2) | |
| Africa (unspecified) | 105 (1.7) | 10 (0.5) | |
| Elsewhere | 362 (5.8) | 129 (5.8) | |
|
| |||
| HIV risk factor (n=8060) | |||
| Injecting drug use | 138 (2.4) | 49 (2.3) | 0.793 |
| Other** | 5742 (97.7) | 2131 (97.8) | |
|
| |||
| Parity* (n=7652) | |||
| Nulliparous | 2326 (40.7) | 987 (50.9) | <0.001 |
| 1 | 2921 (33.6) | 596 (30.7) | |
| 2 | 916 (16.0) | 244 (12.6) | |
| 3+ | 547 (9.6) | 115 (5.9) | |
|
| |||
| CD4 count (cells/μl)† (n=7173) | |||
| ≥500 | 1529 (28.9) | 532 (28.3) | 0.953 |
| 350-499 | 1398 (26.4) | 493 (26.3) | |
| 200-349 | 1568 (29.6) | 562 (29.9) | |
| <200 | 800 (15.1) | 291 (15.5) | |
|
| |||
| HIV/AIDS symptoms* (n=7530) | |||
| Yes | 156 (2.8) | 59 (2.9) | 0.822 |
| No | 5358 (97.2) | 1957 (97.1) | |
|
| |||
| Timing of HIV diagnosis (n=8337) | |||
| Prior to first reported pregnancy | 2760 (43.4) | 855 (38.4) | <0.001 |
| During first reported pregnancy | 3599 (56.6) | 1373 (61.6) | |
|
| |||
| Antenatal ART*†† (n=3473) | |||
| From before conception | 1320 (49.6) | 374 (46.0) | 0.031 |
| Started during pregnancy | 1202 (45.2) | 381 (46.8) | |
| Untreated | 137 (5.2) | 59 (7.3) | |
PMTCT – Prevention of Mother-to-Child Transmission
*
At first reported pregnancy
**
Other risk includes heterosexual, ‘from a high HIV prevalence area’, and vertical transmission
†
Earliest CD4 count measurement during first reported pregnancy
††
Among women diagnosed prior to their first reported pregnancy only