Table 3.

Time to First Asymptomatic Malaria Episode and to Any Parasitemia Episode

	Asymptomatic Malaria Episode			Episode With Any Parasitemia
	HR (Unadjusted)	HR (Adjusted)	Median Malaria-Free Days	HR (Unadjusted)	HR (Adjusted)	Median Malaria-Free Days
Hemoglobin AA (n = 242)	1	1	364	1	1	112
	0.60	0.49		0.69
Hemoglobin AC (n = 39)	(0.38, 0.96)	(0.27, 0.88)	364	(0.33, 1.44)	…	172
	(P = .032)	(P = .016)		(P = .32)
	0.62			1.90
Hemoglobin AS (n = 14)	(0.25, 1.50)	…	162	(0.76, 4.74)	…	116.5
	(P = .29)			(P = .17)

Hazard ratios are reported with 95% confidence intervals.

Abbreviation: HR, hazard ratio.