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Table 2 Crude and adjusted odds ratios for risk factors for anaemia

From: Malaria morbidity and immunity among residents of villages with different Plasmodium falciparum transmission intensity in North-Eastern Tanzania

Explanatory variable Crude odds ratio (95% Cl) p-value Adjusted odds ratio (95% Cl) p-value
Age group (years)     
0–2 21.38 (8.36–54.65) <0.001 20.41 (7.44 – 56.0) <0.001
3–4 7.38 (2.82–19.25) <0.001 5.42 (1.93–15.20) <0.001
5–9 3.43 (1.36–8.66) 0.009 2.18 (0.82–5.81) 0.118
10–14 1.86 (0.70–4.99) 0.215 1.51 (0.54–4.27) 0.435
15–19 1   1  
Sex     
Male 1.04 (0.70 – 1.54) 0.85 1.16 (0.71 – 1.90) 0.551
Female 1   1  
Village     
Mgome 19.99 (7.08–56.42) <0.001 15.55 (4.78–50.65) <0.001
Ubiri 8.02 (2.80–23.82) <0.001 6.44 (2.08–19.92) 0.001
Magamba 1   1  
Parasites     
P. falciparum 3.77 (2.44 – 5.83) <0.001 2.0 (1.11–3.62) 0.021
Hookworm 1.41 (0.83–2.39) 0.201 1.43 (0.76–2.69) 0.264
Ascariasis 0.86 (0.52–1.44) 0.564 1.04 (0.54–1.92) 0.952
Amoeba 0.16 (0.02–1.20) 0.074 0.16 (0.02–1347) 0.091
Schistosoma 0.42 (0.12–1.46) 0.174 0.28 (0.07–1.20) 0.086