Cytomegalovirus, Epstein-Barr virus and varicella zoster virus infection in the first two years of life: a cohort study in Bradford, UK

Table 5 Summary of main associations with age at infection

		CMV	EBV	VZV
Associated with earlier infection	White British	• household size^c • breastfeeding >6m^b [16, 32, 42] • formal childcare in 1st yr^b [32] • not owner-occupied household^b [11]	• informal childcare <1165 hrs^c	• birth order^b [18]
Associated with earlier infection	Pakistani	• breastfeeding^b • mother born outside UK/Ireland ^c	• bedroom sharing in 1st yr^b [21]	• birth order^b
Associated with later infection	White British	-	• mother/baby activities in 1st yr^a	-
Associated with later infection	Pakistani	• birth order^a • travel outside Europe in 1st yr*^b	-	• maternal age^a

ISSN: 1471-2334