New approaches to measuring anthelminthic drug efficacy: parasitological responses of childhood schistosome infections to treatment with praziquantel

Table 4 Covariates included in the regression models used to estimate egg reduction rates among children infected with schistosomes following treatment with praziquatel

Covariate	Levels
	Schistosoma haematobium dataset	Schistosoma mansoni dataset
Country	Côte d’Ivoire	Côte d’Ivoire
	Kenya^a	Uganda
Dose	40 mg/kg	40 mg/kg
		60 mg/kg
Sex	Male	Male
	Female	Female
Age group	Younger SAC^a	Pre-SAC (<5 years)
	Older SAC	Younger SAC (5–11 years)
		Older SAC (12–17 years)
Follow-up time	21 days^a	21 days
		28 days
		42 days

Abbreviation: SAC, school-age children
^aChildren in Kenya were all followed up for 42 days so follow-up was removed as a covariate

ISSN: 1756-3305