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Table 1 Baseline characteristics of the study participants and clusters (N = 2466)

From: Effectiveness and safety of misoprostol distributed to antenatal women to prevent postpartum haemorrhage after child-births: a stepped-wedge cluster-randomized trial

Variable Control period N = 1430 Intervention period N = 1036
Individual level summary   
Age in completed years (mean, sd) 24.6 (±5.7) 24.2 (±5.5)
 Below 20 261 (18.3 %) 221 (21.3 %)
 20–24 548 (38.3 %) 400 (38.6 %)
 25–29 409 (28.6 %) 278 (26.8 %)
 30–34 101 (7.1 %) 76 (7.3 %)
 ≥ 35 111 (7.8 %) 61 (5.9 %)
Parity(mean, sd) 2.1 (2.0) 1.9 (1.9)
 Nullipara 372 (26.0 %) 277 (26.7 %)
 1 335 (23.4 %) 256 (24.7 %)
 2 223 (15.6 %) 194 (18.7 %)
 3 179 (12.5 %) 110 (10.6 %)
 4 140 (9.8 %) 91 (8.8 %)
 5+ 181 (12.7 %) 108 (10.4 %)
Gestational age at enrolment (mean, sd) 32.4 (3.4) 32.1 (3.3)
Antenatal Hb in g/dl (mean, sd) 11.40 (1.44) 11.65 (1.28)
Antenatal anaemia (Hb<11.0 g/dl)a 512 (36.1 %) 279 (27.4 %)
HIV positive 122 (8.5 %) 71 (6.9 %)
Cluster level summary   
 Cluster size (mean, sd) 238 (166) 173 (169)
 Age in years (mean, sd) 24.5 (0.44) 24.5 (0.87)
 Years at school (mean, sd) 7.6 (0.60) 7.5 (0.75)
 Parity (mean, sd) 2.1 (0.23) 2.0 (0.44)
 Antenatal anaemia (Hb<11.0 g/dl)a (mean, sd) 36.7 (8.1) 30.7 (7.5)
 HIV positive (mean, sd) 8.2 (2.0) 6.3 (1.4)
  1. Hb Haemoglobin, HIV Human Immunodeficiency Virus, sd standard deviation
  2. aData on antenatal anaemia available for 1427 women in the control group and 1019 in the intervention group