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Table 5 Potential risk factors of anaemia among pregnant women surveyed at the household level in Burkina Faso in 2017

From: Asymptomatic malaria and anaemia among pregnant women during high and low malaria transmission seasons in Burkina Faso: household-based cross-sectional surveys in Burkina Faso, 2013 and 2017

Potential factors N Anaemia cases Univariate analysis Multivariable analysis
PR (95% CI) p Adj. PR (95% CI) p
Asymptomatic malaria     < 0.001a   < 0.001a
 No 1714 770 1   1  
 Yes 117 83 1.37 (1.27–1.48)   1.47 (1.34–1.60)  
Age     0.60   0.56
 ≥ 30 623 290 1   1  
 20–30 933 426 0.97 (0.90–1.05)   0.95 (0.88–1.03)  
 ≤ 20 275 137 1.02 (0.92–1.13)   0.93 (0.81–1.07)  
Trimester of pregnancy     < 0.001a   < 0.001a
 First 426 236 1   1  
 Second 709 432 1.10 (0.99–1.22)   1.11 (1.00–1.23)  
 Third 697 523 1.35 (1.23–1.49)   1.39 (1.27–1.53)  
Parity     0.64   0.94
 Multigravida 1325 608 1   1  
 Secundigravida 310 140 1.05 (0.94–1.16)   1.02 (0.89–1.18)  
 Primigravida 196 105 1.03 (0.94–1.12)   1.02 (0.93–1.13)  
Insecticide-treated nets     0.39   0.54
 At least one 1762 817 1   1  
 No insecticide-treated nets 69 36 1.07 (0.91–1.26)   1.02 (0.87–1.21)  
Education     0.75   0.97
 No education 1755 819 1   1  
 Educated 76 34 1.01 (0.86–1.26)   1.00 (0.85–1.18)  
Household socioeconomic     0.022a   0.06
 Middle quintile 360 161 1   1  
 Poorest 334 182 1.12 (1.01–1.23)   1.10 (0.99–1.21)  
 Poor 363 169 0.97 (0.87–1.08)   0.97 (0.87–1.08)  
 Rich 375 180 1.02 (0.92–1.13)   1.01 (0.91–1.13)  
 Richest 399 161 0.95 (0.85–1.06)   0.96 (0.86–1.07)  
Place of residence     0.43   0.32
 Rural 1685 789 1   1  
 Urban 146 64 0.95 (0.83–1.08)   0.94 (0.83–1.06)  
  1. PR prevalence ratio, Adj. adjusted, a significant at the 0.05 level