Table 1. Characteristics of enrolled women.
| CHARACTERISTICS | Kinshasa (N=4,153) | Lusaka (N=18,066) |
|---|---|---|
| n/N (%) | n/N (%) | |
| Maternal Age | ||
| <20 | 797/4,152 (19.2%) | 2,679/18,053 (14.8%) |
| 20–34 | 2,788/4,152 (67.1%) | 13,462/18,053 (74.6%) |
| > or = 35 | 568/4,152 (13.7%) | 1,912/18,053 (10.6%) |
| Residence | ||
| Inside the catchment area | 3,409/4,153 (82.1%) | 10,046/18,048 (55.7%) |
| Outside the catchment area | 740/4,153 (17.8%) | 8,000/18,048 (44.3%) |
| Other | 5/4,153 (0.1%) | 2/18,048 (0.0%) |
| Education | ||
| Incomplete primary school or less | 683/4,153 (16.4%) | 4,176/18,054 (23.1%) |
| Completed primary school | 2,577/4,153 (62.0%) | 8,902/18,054 (49.3%) |
| Incomplete secondary school or more | 893/4,153 (21.5%) | 4,976/18,054 (27.6%) |
| Marital status | ||
| Married/partner | 3,592/4,153 (86.5%) | 15,903/18,066 (88.0%) |
| Single, widowed, or divorced | 561/4,153 (13.5%) | 2,163/18,066 (12.0%) |
| Obstetric and syphilis history | ||
| Previous pregnancies | ||
| 0 | 930/4,152 (22.4%) | 4,763/18,018 (26.4%) |
| 1–3 | 2,034/4,152 (49.0%) | 10,741/18,018 (59.6%) |
| ≥ 4 | 1,188/4,152 (28.6%) | 2,514/18,018 (14.0%) |
| Previous abortions/stillbirth ** | 1,258/3,222 (39.0%) | 2,180/13,145 (16.6%) |
| Previous preterm birth ** | 120/3,222 (3.7%) | 515/13,126 (3.9%) |
| Previous congenital anomalies ** | 24/3,222 (0.7%) | 44/13,119 (0.3%) |
| Previous low birth weight ** | 196/3,221 (6.1%) | 415/12,878 (3.2%) |
| Previous Syphilis Infection | ||
| Yes | 6/4,153 (0.1%) | 382/1,8066 (2.1%) |
| No | 4,135/4,153 (99.6%) | 17,663/1,8066 (97.6%) |
| Don't Know | 12/4,153 (0.3%) | 51/1,8066 (0.3%) |
| Gestational age at first visit | ||
| Less or equal 20 weeks | 1,773/4,064 (43.6%) | 9,438/17,620 (53.6%) |
| More than 20 weeks | 2,291/4,064 (56.4%) | 8,182/17,620 (46.4%) |
** Considering only those women with at least one previous pregnancy