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Table 3 ANC and IPTp coverage at baseline and endline as documented on the ANC card, by study arm

From: A cluster randomized trial of delivery of intermittent preventive treatment of malaria in pregnancy at the community level in Burkina Faso

  Baseline Endline Difference in differencesa p-value for DiD
Control Intervention Control Intervention
N = 188 N = 186 N = 180 N = 180
Number of IPTp doses (mean, 95% CI) 2.3 (1.9, 2.8) 2.3 (1.8, 2.9) 2.1 (1.53, 2.9) 2.9 (2.3, 3.8) 0.9 (− 0.3, 2.1) 0.15
IPTp1+ (%, 95% CI) 86.2 (73.5, 93.4) 80.7 (65.4, 90.2) 75.6 (54.6, 88.8) 86.1 (74.9, 92.8) 16.1%-points (− 8.5, 40.7) 0.20
IPTp2+ (%, 95% CI) 73.4 (55.2, 86.1) 69.9 (57.1, 80.2) 64.4 (41.3, 82.3) 72.2 (50.3, 87.0) 11.3%-points (− 27.6, 50.1) 0.57
IPTp3+ (%, 95% CI) 54.3 (39.3, 68.5) 50.5 (35.0, 66.0) 47.2 (28.6, 66.7) 61.1 (40.6, 78.4) 17.6%-points (− 16.3, 51.5) 0.31
IPTp4+ (%, 95% CI) 16.0 (8.4, 28.3) 21.5 (8.3, 45.3) 21.1 (12, 34.5) 46.7 (29.6, 64.6) 20.0%-points (− 7.2, 47.3) 0.15
IPTp5+ (%, 95% CI) 2.7 (1.0, 6.8) 4.3 (1.1, 15.4) 2.2 (0.6, 8.1) 27.8 (17.3, 41.4) 23.9%-points (9.4, 38.4) 0.001
Number of ANC visits (mean, 95% CI) 3.2 (2.9, 3.6) 3.23 (2.9, 3.6) 3.4 (3.0, 3.7) 3.6 (3.6, 3.7) 0.2 (− 0.3, 0.8) 0.43
ANC1+ (%, 95% CI) 89.4 (80.4, 94.5) 90.3 (76.8, 96.4) 94.4 (84.7, 98.1) 97.8 (94.6, 99.1) 2.4%-points (− 10.7, 15.5) 0.72
ANC4+ (%, 95% CI) 62.2 (49.4, 73.5) 61.8 (50.5, 72.0) 65.0 (48.5, 78.6) 77.2 (73.1, 80.9) 12.6%-points (− 7.0, 3.22) 0.21
  1. IPTp intermittent preventive treatment in pregnancy, ANC antenatal care visits
  2. aConfidence interval for DiD were estimated with identity link and either binomial or poisson distribution, as appropriate