Table 3.

Prevalence of congenital CMV infection by maternal characteristics, Siaya County, Kenya, November 2015–October 2017

Maternal characteristics	CMV-positive infants n	Infants screened for CMV N	Prevalence (95% CI)	Prevalence Ratio (95% CI)	p-value
Overall	39	1078	3·6 (2·7–4·9)	–
Age
<25 years	20	558	3·6 (2·3–5·5)	1·0 (0·5–1·8)	0·951
≥25 years	19	520	3·7 (2·4–5·6)	Ref.
Parity
Primipara	14	281	5·0 (3·0–8·2)	1·6 (0·8–3·0)	0·154
Multipara	25	797	3·1 (2·1–4·6)	Ref.
Marital status
Single	4	145	2·8 (1·1–6·9)	0·7 (0·3–2·0)	0·551
Married	35	933	3·8 (2·7–5·2)	Ref.
Education level
Primary or less	25	640	3·9 (2·7–5·7)	1·2 (0·6–2·3)	0·540
Secondary or higher	14	438	3·2 (1·9–5·3)	Ref.
HIV infection at enrolment or delivery
Yes	12	214	5·6 (3·2–9·5)	1·8 (0·9–3·5)	0·082
No	27	864	3·1 (2·1–4·5)	Ref.
Malaria infection at enrolment or follow-up
Yes	12	210	5·7 (3·3–9·7)	1·8 (0·9–3·6)	0·070
No	27	868	3·1 (2·1–4·5)
HIV or malaria infection at enrolment or follow up
HIV and malaria co-infection	3	34	8·8 (3·1–23·0)	3·4 (1·0–10·9)	0·071*
HIV infection only	9	180	5·0 (2·7–9·2)	1·9 (0·9–4·2)	0·101
Malaria infection only	9	176	5·1 (2·7–9·4)	2·0 (0·9–4·3)	0·089
Neither infection	18	688	2·6 (1·7–4·1)	Ref.

Univariate analysis including all newborns

^*p-value using Fisher’s exact test