Age-related factors influencing the occurrence of undernutrition in northeastern Ethiopia

Table 4 Association of blood type with prevalence and intensity of S. mansoni infection and related undernutrition among communities in Harbu Town, northeastern Ethiopia, May and June 2013

Blood group	Number examined	Percent infected	Mean egg per gram	AOR of infection*	Adjusted mean epg difference (β)*	AOR of undernutrition among infected cases*
O	165	23.03	2379.7	1	1	1
A	167	28.74	3912.0	1.14 [0.65, 1.98]	2404.6 [86.9, 4722.3]	0.40 [0.12, 1.29]
B	113	29.20	3403.6	1.10 [0.61, 1.99]	1206.4 [−1301.9, 3714.8]	0.67 [0.19, 2.28]
AB	38	23.68	1664.0	0.74 [0.29, 1.92]	265.6 [−3923.9, 4455.2]	0.66 [0.10, 4.24]

*Adjusted for age, sex, amount of monthly income, education level, type of occupation, family size, marital status, religious group, ethnicity, type of house floor, type of latrine floor, hand washing habit after latrine, hand washing habit before eating and cooking, source of drinking water, place of bath.
AOR = adjusted odds ratio epg = egg per gram.

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