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Table 3 Multivariable regression analysis of the risk factors for perinatal death in a cohort of 915 births in Banfora Health District, Burkina Faso.

From: Perinatal mortality in rural Burkina Faso: a prospective community-based cohort study

Variables Unadjusted¤
RR [95% CI]
n = 915
Adjusted model 1
RR [95%CI]
n = 915
Adjusted model 2§
RR [95%CI]
n = 761
Parity    
   - 0 2.19 [1.2-3.9] 2.90 [1.6-5.0]  
   - 1 1.78 [0.9-3.3] 2.20 [1.2-3.9] 2.20 [1.2-3.9]
   - 2-4 1 1 1
   - ≥ 5 1.33 [0.7-2.5] 1.42 [0.7-2.7] 1.36 [0.7-2.6]
Use of media (radio, TV)    
   - Everyday 1 1 1
   - Rare/None 1.58 [0.8-3.1] 1.50 [0.7-2.9] 1.42 [0.6-3.2]
History of perinatal death    
   - Yes 1.52 [0.8-3.0]   1.40 [0.7-2.8]
   - No 1   1
Used bednet during pregnancy    
   - Yes 1 1 1
   - No 1.10 [0.7-1.8] 1.03 [0.7-1.6] 1.07 [0.6-1.8]
Antenatal care visits    
   - None 1.52 [0.7-3.1] 1.50 [0.8-2.9] 1.54 [0.6-3.8]
   - 1-2 1.33 [0.7-2.6] 1.21 [0.6-2.2] 1.30 [0.5-3.1]
   - >2 1 1 1
Season of birth    
   - Dry season (Nov-April) 2.02 [1.3-3.2] 2.10 [1.3-3.3] 2.46 [1.4-4.4]
   - Rainy season (May-Oct) 1 1 1
Pair of twins    
   - Yes 2.78 [1.4-5.3] 4.00 [2.3-6.9] 3.1 [1.5-6.2]
   - No 1 1 1
  1. ¤Adjusted for clustering to account for the PROMISE-EBF study design.
  2. Adjusted for clustering and all variables in the table except the history of perinatal death.
  3. §Adjusted for clustering and for all variables in the table
  4. Includes only multiparous mothers
  5. Overall, pauciparae women (nulliparous and primiparae), twins and a birth during the dry season were the factors significantly associated with the risk of perinatal death in this cohort.