Table 6 Characteristics of all un-booked women, and of the subset of those referred from another health facility, who were admitted to UBTH maternity ward between Dec 2017 and Jul 2018
|  | All un-booked women in the sample (n = 253) | Referred from another health facility (n = 195) | ||
|---|---|---|---|---|
% | 95%CI | % | 95%CI | |
Reproductive age category | ||||
  < 20 years | 2.0 | 0.8–4.7 | 2.1 | 0.8–5.4 |
 20 to 34 years | 70.8 | 64.8–76.1 | 69.2 | 62.4–75.3 |
  > 35 years | 27.3 | 22.1–33.1 | 28.7 | 22.8–35.5 |
Marital status | ||||
 Married | 94.9 | 91.3–97.0 | 95.4 | 91.3–97.6 |
 Unmarried | 5.1 | 3.0–8.7 | 4.6 | 2.4–8.7 |
Residence | ||||
 Benin City | 91.3 | 87.1–94.2 | 91.3 | 86.4–94.5 |
 Outside of Benin City | 7.1 | 4.5–11.0 | 7.2 | 4.3–11.8 |
 Unknown/missing | 1.6 | 0.6–4.2 | 1.5 | 0.5–4.7 |
Parity | ||||
 Nulliparous (0) | 32.0 | 26.5–38.0 | 31.8 | 25.6–38.7 |
 Multiparous (1–4) | 62.9 | 56.7–68.6 | 62.1 | 55.0–68.6 |
 Grand multiparous (5+) | 5.1 | 3.0–8.7 | 6.2 | 3.5–10.6 |
Number of gestations | ||||
 Singleton | 88.5 | 84.0–91.9 | 85.6 | 80.0–89.9 |
 Multiple (Twins/Triplets) | 11.5 | 8.1–16.0 | 14.4 | 10.1–20.1 |
Timing and mode of delivery | ||||
 Delivered before arrival | 6.3 | 3.9–10.1 | 5.1 | 2.8–9.3 |
 Vaginal delivery | 42.7 | 36.7–48.9 | 42.1 | 35.3–49.1 |
 Caesarean delivery | 49.0 | 42.9–55.2 | 50.8 | 43.7–57.8 |
 Othera | 0.8 | 0.2–3.1 | 1.0 | 0.3–4.0 |
 Unknown/missing | 1.2 | 0.4–3.6 | 1.0 | 0.3–4.0 |
Gestational age | ||||
 Extremely preterm (< 28 weeks) | 10.3 | 7.1–14.7 | 9.7 | 6.3–14.8 |
 Very preterm (28–32 weeks) | 21.3 | 16.7–26.9 | 26.7 | 20.9–33.4 |
 Moderate to late preterm (32–37 weeks) | 19.0 | 14.6–24.3 | 20.5 | 15.4–26.8 |
 Term (37+ weeks) | 41.9 | 35.9–48.1 | 36.4 | 29.9–43.4 |
 Postpartum arrival | 3.2 | 1.6–6.2 | 2.6 | 1.1–6.0 |
 Unknown/missing | 4.4 | 2.4–7.7 | 4.1 | 2.1–8.0 |