Table 2.

Sickle cell trait and incidence of fever and malaria

	Number of fever episodes		Number of malaria episodes
	Unadjusted Incidence Rate Ratio (IRR)	Adjusted Incidence Rate Ratio (IRR)	Unadjusted Incidence Rate Ratio (IRR)	Adjusted Incidence Rate Ratio (IRR)
Sickle cell trait	0.897 (0.647–1.244)	0.905 (0.709–1.154)	0.861 (0.610–1.214)	0.710** (0.526–0.959)
Number of observations	704	654	704	654

Notes: Adjusted models include all covariates listed in Table 1; dummy variables for each year of age are also included. Robust standard errors clustered at village level. ** p < 0.05