Effect of improved cookstove intervention on childhood acute lower respiratory infection in Northwest Ethiopia: a cluster-randomized controlled trial

Table 3 Characteristics of clusters and participants in the intention-to-treat population

Characteristics	Intervention arm	Control arm	Both arm
Number of clusters	50	50	100
Number of children	2659	2674	5333
Mean cluster size (SD)	53.18 (12.13)	53.48 (12.39)	53.33 (12.2)
CoV for cluster size	0.228	0.232	0.229
Childhood ALRI prevalence rate	19.2	19.5	19.3
Cluster-level variance			2.336E-11
Individual-level variance			3.29
Cluster level ICC			7.10E-12

ISSN: 1471-2431