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Table 1 Characteristics of delivering women

From: Stillbirths and quality of care during labour at the low resource referral hospital of Zanzibar: a case-control study

  Case-control study BW ≥2000 g
Cases Pre-hosp. Stillbirths Cases Intra-hosp. Stillbirths Controls Apgar 710
  N (%)
Of all women in the study: (n = 67) (n = 72) (n = 249)
Age
 <20 years 2 (3.0 %) 7 (9.7 %) 26 (10.4 %)
 20–29 years 26 (38.8 %) 35 (48.6 %) 122 (49.0 %)
 30–39 years 27 (40.3 %) 28 (38.9 %) 83 (33.3 %)
 ≥40 years 8 (11.9 %) 2 (2.8 %) 15 (6.0 %)
 Information missing 4 (6.0 %) 0 (0.0 %) 3 (1.2 %)
Parity on admission
 Para 0a 14 (20.9 %) 39 (54.2 %) 105 (42.2 %)
 Para 1–4 33 (49.3 %) 23 (31.9 %) 99 (39.8 %)
 Para ≥ 5 17 (25.4 %) 10 (13.9 %) 35 (14.1 %)
 Information missing 3 (4.5 %) 0 (0.0 %) 10 (4.0 %)
Antenatal care
 ≥4 visits 31 (46.3 %) 38 (52.8 %) 103 (41.4 %)
 1–3 visits 23 (34.3 %) 26 (36.1 %) 111 (44.6 %)
 Not attended 0 (0.0 %) 1 (1.4 %) 0 (0.0 %)
 Information missing 13 (19.4 %) 7 (9.7 %) 35 (14.1 %)
HIV
 Negative 54 (80.6 %) 62 (86.1 %) 211 (84.7 %)
 Positive 0 (0.0 %) 2 (2.8 %) 0 (0.0 %)
 Information missing 13 (19.4 %) 8 (11.1 %) 38 (15.3 %)
Gestational age
 No information on LMP/gestation weeks 46 (68.7 %) 49 (68.1 %) 181 (72.7 %)
Previous obstetric history
Of multiparous women: (n = 50) (n = 33) (n = 134)
  Previous death of child/childrenb,c 18 (36.0 %) 12 (36.4 %) 30 (22.4 %)
  1 previous CS 7 (14.0 %) 8 (24.2 %) 8 (6.0 %)
  ≥2 previous CSs 2 (4.0 %) 2 (6.1 %) 10 (7.5 %)
  1. BW birthweight, CI confidence interval, CS caesarean section, LMP last menstrual period, OR odds ratio
  2. aDifference between pre- and intra-hospital stillbirths: OR 4.22, 95 % CI 1.99–8.96
  3. bDocumentation was insufficient to clearly distinguish perinatal deaths from deaths later in life
  4. cDifference between stillbirths and controls: OR 1.96, 95 % CI 1.07–3.59