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Table 3 Risk factors for low birth weight in Sudanese women using univariate and logistic regression analyses

From: Placental malaria and its effect on pregnancy outcomes in Sudanese women from Blue Nile State

Characteristics N (%) of the total Low BW, N (%) Univariate analyses Logistic regression analyses
OR (95% CI) P OR (95% CI) P
Site of collection
 Ed-Dmazen Hospital 372 (32.4) 248 (38.2) 2.4 (1.8–3.2) <0.001 1.1 (0.6–1.7) 0.644
 El-Roseires Hospital 227 (19.8) 156 (24.0) 2.7 (1.9–3.7) <0.001 1.3 (0.7–2.2) 0.305
 Surgical complex 550 (47.9) 245 (37.8) Reference   Reference  
Age groups (years)
 <23.3 674 (58.7) 522 (80.4) 9.4 (7.1–12.3) <0.001 1.1 (0.6–2.1) 0.598
 ≥23.3 475 (41.3) 127 (19.6) Reference   Reference  
Parity
 Primiparae 553 (48.1) 432 (66.6) 12.1 (8.6–16.9) <0.001 1.0 (0.5–2.1) 0.840
 Secundiparae 297 (25.8) 149 (23.0) 3.4 (2.4–4.8)   0.7 (0.4–1.4) 0.424
 Multiparae 299 (26.0) 68 (10.5) Reference <0.001 Reference  
Residence
 Rural 347 (30.2) 245 (37.8) 2.3 (1.8–3.0) <0.001 1.5 (0.5–1.2) 0.300
 Urban 802 (69.8) 404 (62.2) Reference   Reference  
Education
 <Secondary level 922 (80.2) 567 (87.4) 2.8 (2.0–3.8) <0.001 1.5 (0.8–2.8) 0.153
 ≥Secondary level 227 (19.8) 82 (12.6) Reference   Reference  
Antenatal care visits
 Not attended 697 (60.7) 531 (81.8) 9.0 (6.8–11.8) <0.001 1.7 (1.1–2.7) 0.010
 Attended 452 (39.3) 118 (18.2) Reference   Reference  
Use bed nets
 No 1047 (91.1) 622 (95.8) 4.0 (2.5–6.4) <0.001 1.5 (0.8–3.0) 0.161
 Yes 102 (8.9) 27 (4.2) Reference   Reference  
Anaemia
 Yes 743 (64.7) 611 (94.1) 44.8 (30.5–65.7) <0.001 6.5 (3.9–10.8) <0.001
 No 406 (35.3) 38 (5.9) Reference   Reference  
Peripheral malaria
 Positive 434 (37.8) 404 (62.2) 25.8 (17.2–38.6) <0.001 5.5 (3.3–9.1) <0.001
 Negative 715 (62.2) 245 (37.8) Reference   Reference  
Placental malaria
 Positive 677 (58.9) 601 (92.6) 69.8 (47.6–102.3) <0.001 25.0 (15.1–41.3) <0.001
 Negative 472 (41.1) 48 (7.4) Reference   Reference  
  1. N number, OR odds ratio, CI confidence interval
  2. Four women were missing data on education