BMC Infectious Diseases

Table 4 Multivariate generalized linear model of haematological parameters at age 6.5 years in association with Helicobacter pylori infection from 3 to 6.5 years of age, Butajira birth cohort study, Ethiopia

From: Effect of early and current Helicobacter pylori infection on the risk of anaemia in 6.5-year-old Ethiopian children

	Hb			RBC			MCV			MCH			MCHC
Variables	β^a	95 % CI	P	β^a	95 % CI	P	β^a	95 % CI	P	β^a	95 % CI	P	β^a	95 % CI	P
Exposure to *H. pylori* at age 3
Yes	0.07	0.27 to −0.15	0.49	0.02	−0.04 to 0.08	0.45	−0.47	−1.36 to 0.43	0.30	−0.04	−0.45 to 0.37	0.85	−0.13	−0.40 to 0.14	0.33
No	0^b			0^b			0^b			0^b			0^b
Exposure to *H. pylori* at age 5
Yes	−0.20	−0.37 to −0.04	0.01	−0.02	−0.07 to −0.03	0.44	−0.25	−0.97 to 0.46	0.48	−0.26	−0.59 to 0.07	0.12	−0.12	−0.33 to 0.10	0.29
No	0^b			0^b			0^b			0^b			0^b
Exposure to *H. pylori* at age 6.5
Yes	−0.08	−0.34 to 0.17	0.52	−0.03	−0.12 to 0.56	0.49	−0.04	−1.22 to 1.14	0.94	0.23	−0.32 to 0.78	0.41	−0.06	−0.42 to 0.29	0.73
No	0^b			0^b			0^b			0^b			0^b
Exposure to *H. pylori* up to age 6.5
Infected at any age up to age 6.5	−0.19	−0.35 to −0.03	0.01	−0.06	−0.15 to 0.02	0.11	−2.22	−3.43 to −1.01	0.01	−0.63	−1.15 to - 0.12	0.01	−0.67	−1.21 to −0.14	0.01
Never infected	0^b			0^b			0^b			0^b			0^b

^aChanges for haematological parameters at age 6.5 years by Helicobacter pylori infection status from 3 to 6.5 years of age, adjusted for child’s gender, area of residence, maternal education, history of vaccination at 2 months, source of water, child’s height and weight at 6.5 years
^bReference group

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ISSN: 1471-2334

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