Table 1.

Univariate Analyses of Risk Factors for Asexual and Sexual Parasite Infections

	Asexual Parasite		Sexual Parasites
Variables	OR [95% CI]	P a	OR [95% CI]	P
Gender
ȃFemale, n = 2281	1		1
ȃMale, n = 1511	1.28 [.96–1.71]	.099	1.21 [.93–1.58]	.153
Age category
ȃ<6 years, n = 1100	1		1
ȃ6–11 years, n = 1173	1.68 [1.27–2.22]	<.001	1.81 [1.38–2.39]	<.001
ȃ12–24 years, n = 389	1.02 [.69–1.51]	.911	1.83 [1.23–2.72]	.003
ȃ>24 years, n = 1130	.26 [.2–.34]	<.001	.49 [.36–.65]	<.001
Parasitemia (p/µL)b
ȃ0, n = 3024	…	…	1
ȃ1–1000, n = 354	…	…	22.17 [16.01–30.69]	<.001
ȃ1000–10 000, n = 205	…	…	42.41 [25.87–69.52]	<.001
ȃ10 000–100 000, n = 88	…	…	64.9 [29.48–142.89]	<.001
Thrombocytopenia
ȃNo, n = 3195	1		1
ȃYes, n = 311	1.41 [1.03–1.94]	.03	2.24 [1.66–3.02]	<.001
Anemia
ȃNo, n = 3,184	1		1
ȃYes, n = 322	1.78 [1.25–2.53]	.001	2.63 [1.89–3.66]	<.001
Sickle cell trait
ȃAA, n = 3062	1		1
ȃAS, n = 556	.63 [.4–.98]	.041	.68 [.45–1.03]	.068
ȃSS, n = 18	.47 [.07–2.99]	.423	1.23 [.23–6.59]	.811
ȃUndetermined, n = 39	1.01 [.23–4.47]	.995	1.26 [.36–4.42]	.72

Abbreviations: CI, confidence interval; OR, odds ratio; p/uL, parasites per microliter.

P values and OR from univariate logistic regression model with random intercepts for each individual, household, and cluster.

Parasitemia based on microscopy.