Table 2. Methodological differences between cluster random sampling (CRS) and Integrated Threshold Mapping (ITM).

	CRS	ITM
Platform	Community-based	School-based with younger children brought from the community
Cluster selection	Probability proportional to size or random selection	Random selection: minimum 2 per subdistrict
Participant selection	Household	Children aged 6–9 at school & 1–5 year old children from communities
Sample size and age groups	100 aged 1–9 years	25 aged 1–5 years and 25 aged 6–9 years