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Table 2 Number of cases and incidence rates of malaria infections in the study population (per 1000 women-month)

From: An analysis of timing and frequency of malaria infection during pregnancy in relation to the risk of low birth weight, anaemia and perinatal mortality in Burkina Faso

  Person-time*   Malaria infections  
   new cases IR (per 1000)
(95% CI)
IRR (95% CI)
By Gravidity     
   Overall 5541 217 39.2 (34.3-44.7) -
   Primigravidae 1095 97 88.6 (72.6-108.1) -
   Secondigravidae 1146 58 50.6 (39.1-65.56) 0.6 (0.42-0.79)
   Multigravidae 3300 62 18.8 (14.65-24.1) 0.2 (0.17-0.31)
By SP doses received     
   2 doses SP 2453 113 46.1 (38.3-55.4) -
   3 doses SP 884 21 23.8 (15.5-36.4) 0.5 (0.28-0.66)
By Supplementation group     
   MMS 2726 110 40.3 (33.5-48.6) -
   FSS 2815 107 38.0 (31.5-46.0) 0.9 (0.67-1.18)
  1. * Women-month