Protocol for the evaluation of a complex intervention aiming at increased utilisation of primary child health services in Ethiopia: a before and after study in intervention and comparison areas

Table 3 Sample size for before vs. after comparison of sick child care seeking

Indicator	Expected level at baseline survey	Households per group required for a 10, 15 or 20 percentage point increase^a
Care seeking	Expected level at baseline survey	10	15	20
% of children aged 2–59 months who were reported to have an illness in the past 2 weeks for whom advice or treatment was sought from an appropriate provider	55%	12,210	5299	2893

^aAssuming 80% power, and using the baseline design effect of 1.001 and 94% completeness

ISSN: 1472-6963