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Table 5 Factors associated with low birth weight and premature delivery among study participants

From: Uptake of intermittent preventive treatment and pregnancy outcomes: health facilities and community surveys in Chókwè district, southern Mozambique

Potential factors N Low birth weight Premature delivery
BW < 2500 g OR 95% CI P value AOR 95% CI P value GA < 37 weeks OR 95% CI P value AOR 95% CI P value
n [%] n [%]
Age (years)
 < 20 345 39 [11.3] 2.2 [1.3–3.6] 0.002 1.1 [0.5–2.2] 0.699 83 [24.1] 1.3 [0.9–1.8] 0.058 1.4 [1.0–1.9] 0.031
 ≥ 20 569 31 [5.4] Ref.   Ref.   107 [18.8] Ref.   Ref.  
Gravidity
 Primigravidae (1) 395 45 [11.4] 2.5 [1.5–4.2] < 0.001 2.2 [1.1–4.8] 0.023 85 [21.5] 1.1 [0.7–1.4] 0.635  
 Multigravidae (≥ 2) 519 25 [4.8] Ref.   Ref.   105 [20.2] Ref.    
Residence location
 Urban 731 54 [7.4] Ref.     146 [20.0] Ref.    
 Rural 183 16 [8.7] 1.2 [0.6–2.2] 0.538   44 [24.0] 1.2 [0.8–1.8] 0.228  
Education
 None/primary school 477 37 [7.8] 1.0 [0.6–1.6] 0.907   109 [22.9] 1.3 [0.9–1.7] 0.109 1.3 [0.9–1.8] 0.091
 Secondary/high school 437 33 [7.6] Ref.     81 [18.5] Ref.   Ref.  
Peripheral infection
 Yes 100 8 [8.0] 1.0 [0.5–2.3] 0.892   13 [13.0] 1.1 [0.6–1.7] 0.752  
 No 814 62 [7.6] Ref.     177 [21.7] Ref.    
Placental infection
 Yes 80 10 [12.5] 1.8 [0.9–3.7] 0.093 1.8 [0.8–3.8] 0.101 22 [27.5] 0.7 [0.3–1.3] 0.297  
 No 834 60 [7.2] Ref   Ref.   168 [20.1] Ref.    
IPTp-SP uptake
 < 3 doses 436 38 [8.7] 1.3 [0.8–2.2] 0.252   103 [23.6] 1.3 [1.0–1.9] 0.044 1.3 [0.9–1.8] 0.060
 ≥ 3 doses 478 32 [6.7] Ref.     87 [18.2] Ref.   Ref.  
Premature delivery
 Yes 190 27 [14.2] 2.6 [1.5–4.3] < 0.001 2.6 [1.5–4.5] < 0.001    
 No 724 43 [5.9] Ref.   Ref.       
  1. CI confidence interval, BW birth weight, GA gestational age, OR odds ratio, AOR adjusted odds ratio
  2. Significant P values are presented in italics