Table 2.

Maternal Demographics and Infant Characteristics for Children With Congenital Cytomegalovirus and Controls in Malmö and London

	Malmö				West London
	Children With Congenital CMV		Controls		Children With Congenital CMV		Controls
	No.	%	No.	%	No.	%	No.	%
Total	76		62		100		152
Maternal age at booking, y
15–19	2	2.6	3	4.8	22	24.2	35	23.0
20–24	31	40.8	15	24.2	23	25.3	40	26.3
25–29	23	30.3	22	35.5	24	26.4	40	26.3
30–34	16	21.1	19	30.6	14	15.4	27	17.8
35–39	4	5.3	3	4.8	8	8.8	10	6.6
Parity
Primiparous	48	63.2	29	46.8	56	56.6	93	61.2
Multiparous	28	36.8	33	53.2	43	43.4	59	38.8
Infant sexa
Female	39	51.3	29	58.0	47	47.0	72	47.4
Male	37	48.7	21	42.0	53	53.0	80	52.6
Gestational agea
Term	72	94.7	49	98.0	85	93.4	141	92.8
Preterm	4	5.3	1	2.0	6	6.6	11	7.2

Abbreviation: CMV, cytomegalovirus.

^a For control infants in the Malmö study, data were only available for the 50 who were followed up to at least age 4.