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Table 3 Factors associated with severe anaemia

From: Prevalence and factors associated with severe anaemia amongst under-five children hospitalized at Bugando Medical Centre, Mwanza, Tanzania

Risk factor Anaemia Unadjusted Adjusted
Severe N (%) Mild to Moderate n (%) OR [95 % CI] P-value OR [95 % CI] P-value
Child age
  > 2 years 70 (33.7) 138 (66.4) 1    
  ≤ 2 years 49 (48.5) 52 (51.5) 1.9 [1.1–3.0] 0.012 1.1 [0.6–2.1] 0.827
Sex
 Female 46 (34.9) 86 (65.1) 1    
 Male 73 (41.2) 104 (58.8) 1.3 [0.8–2.1] 0.254 - -
Birth weight
  ≥ 2.5 kg 104 (37.6) 173 (62.4) 1    
  < 2.5 kg 15 (46.9) 17 (53.1) 1.5 [0.7–3.1] 0.307 - -
Tea taking habit
 No 45 (29.6) 107 (70.4) 1    
 Yes 74 (47.1) 83 (52.9) 2.1 [1.3–3.4] 0.002 1.7 [0.9–3.2] 0.110
Malaria parasitaemia
 No 81 (32.3) 170 (67.7) 1    
 Yes 38 (65.5) 20 (34.5) 4.0 [2.2–7.3] <0.001 4.0 [2.1–7.8] <0.001
Presence of haemoglobin S
 No 79 (35.3) 145 (64.7) 1    
 Yes 40 (47.1) 45 (52.9) 1.6 [1.0–2.7] 0.058 2.0 [1.1–3.5] 0.018
Nutrit. status
 Normal 35 (45.5) 42 (54.5) 1    
 Mild 33 (44.6) 41 (55.4) 1.0 [0.5–1.8] 0.915 0.6 [0.3–1.3] 0.209
 moderate 12 (31.6) 26 (68.4) 0.6 [0.2–1.3] 0.157 0.4 [0.1–0.9] 0.028
 severe 39 (32.5) 81 (67.5) 0.6 [0.3–1.0] 0.068 0.5 [0.3–1.0] 0.053
C- educ. level
 Sec. or above 9 (23.1) 30 (76.9) 1    
 Primary 85 (41.9) 118 (58.1) 2.4 [1.1–5.3] 0.031 2.0 [0.8–4.8] 0.121
 Non-formal 25 (37.3) 42 (62.7) 2.0 [0.8–4.9] 0.133 1.3 [0.5–3.5] 0.669
C- occupation
 Employed 29 (27.4) 77 (72.6) 1    
 Unemployed 90 (44.3) 113 (55.7) 2.1 [1.3–3.5] 0.004 2.2 [1.2–4.0] 0.007
C- HIV status
 No 112 (38.6) 178 (61.4) 1    
 Yes 7 (36.8) 12 (63.2) 0.9 [0.4–2.4] 0.877 - -