Investigating the Effect of Prompt Treatment on Malaria Prevalence in Children Aged below Five Years in Zambia: A Nested Case-Control Study in a Cross-Sectional Survey

Table 1

Number of malaria cases and controls per epidemiological zone.

2015 malaria epidemiological zone	Province	Cases (%)	Controls (%)	Total (%)
Low (prev. < 5%)	Lusaka	3 (1.5)	9 (1.8)	12 (1.7)
	Southern	4 (1.9)	14 (2.7)	18 (2.5)
Moderate (prev. 5–15%)	Central	6 (2.9)	15 (2.9)	21 (2.9)
	Copper belt	22 (10.6)	57 (11.2)	79 (11.0)
	Eastern	25 (12.1)	58 (11.4)	83 (11.6)
	Western	25 (12.1)	60 (11.7)	85 (11.8)
High (prev. > 15%)	Luapula	70 (33.8)	172 (33.7)	242 (33.7)
	Muchinga	20 (9.7)	50 (9.8)	70 (9.8)
	Northern	19 (9.2)	49 (9.6)	68 (9.5)
	Northwestern	13 (6.3)	27 (5.3)	40 (5.8)
Total	Missing	2 (1.0)	—	2 (<0.01)
		209 (100)	511 (100)	720 (100)