The relationship between breastfeeding and reported respiratory and gastrointestinal infection rates in young children

Table 4 Breastfeeding at 3 months of age on Febrile Respiratory Infections between 3 and 6 months of age

Factor	N	% Reporting febrile respiratory infection by whether or not child still breastfeeding at 3 months of age		Breastfeeding on odds of Febrile respiratory infection between 3 and 6 months of age
Factor	N	No	Yes	a-OR	95% CI	Interaction p-value
Gender
Female	N = 3276	24.9%	20.4%	0.66	0.54–0.83
Male	N = 3418	23.3%	23.9%	0.98	0.80–1.21	0.01
Continent
US	N = 2665	19.1%	15.6%	0.80	0.62–1.03
Europe	N = 4029	28.9%	26.0%	0.82	0.68–0.99	0.51
Season age 3mo
Dec – Feb	N = 1595	26.9	19.5	0.56	0.41–0.76
Mar – May	N = 1275	29.9	27.0	0.85	0.64–1.12
Jun – Aug	N = 1672	24.0	25.6	1.05	0.78–1.43
Sept - Nov	N = 1730	16.5	16.5	0.83	0.59–1.16	0.02

a-ORs = odds ratio are adjusted (a) for age of mother at birth, maternal education, single child, number of rooms in household, parental working and smoking status when child was 9 months of age, if the child was a first degree relative of a type 1 diabetic individual, whether daycare or social group had started at the last visit and other variable not being examined for interaction (gender, continent or season at 3 months of age). Bold face type indicates statistical significance with a p-value < 0.05

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