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Table 4 Maternal associated factors of low birth weight (LBW) of Mekelle city, Tigray, Ethiopia (n = 381)

From: Maternal factors associated with low birth weight in public hospitals of Mekelle city, Ethiopia: a case-control study

Factors Cases Controls COR (95% CI) AOR (95%CI)
Number of ANC Frequency (%) Frequency (%)   
NO 18 (14.2%) 26 (10.2%) 3.25 (1.61–6.55) 3.22(.297–34.8)
1–2 73 (57.5%) 59 (23.2%) 5.81 (3.53–9.55) 3.77 (1.53–9.32)
3–4 36 (28.3%) 169 (66.5%) 1 1
Hx of chronic medical illness
 NO 95 (74.8%) 244 (96.1%) 1 1
 Yes 32 (25.2%) 10 (3.9%) 8.22 (3.89–17.37) 14.56 (3.69–57.45)
How many tablet
 N0 15 (11.8%) 20 (7.9%) 7 (2.86–17.15) 5.02(.37–68.58)
 < 60 75 (59.1%) 45 (17.7%) 15.56 (7.72–31.35) 21.56 (6.54–71.14)
 60–90 25 (19.7%) 77 (30.3%) 3.03 (1.44–6.4) 2.14(.63–7.3)
 > =90 12 (9.4%) 112 (44.1%) 1 1
Height of mother
 < 150 cm 54 (42.5%) 30 (11.8%) 5.52 (3.29–9.28) 9.27 (3.45–24.89)
 > =150 cm 73 (57.5%) 2 24 (88.2%) 1 1
Wt. gain during pregnancy
 < 12 kg 121 (95.3%) 164 (64.6%) 11.08 (4.687–26.1) 4.93 (1.8–13.48)
 > =12 kg 6 (4.7%) 90 (35.4%) 1 1
Gestational age
 < 37wks 90 (70.9%) 38 (15%) 14.1 (6.082–32.7) 14.28 (5.75–35.47)
 > =37 37 (29.1%) 216 (85%) 1 1
Age Category
 < 20 46 (36.2%) 16 (6.3%) 5.96 (2.88–12.31) 6.421 (1.93–21.42)
 21–35 53 (41.7%) 180 (70.9%) .61(.35–1.05) 0.867(.32–2.39)
 > =36 28 (22%) 58 (22.8%) 1 1