Neurocognitive Functioning among Children with Sickle Cell Anemia Attending SCA Clinic at MNH, Dar es Salaam, Tanzania

Table 7

Logistic regression on factors for impaired IQ among SCA studied children attending MNH (n = 257).

Factor for impaired IQ	Crude OR (95% CI)	value	Adjusted OR (95% CI)	value
Age (yrs)
9 to 10	1 (ref)		1 (ref)
11 to 13	1.7 (1.1–3.5)	0.014	2.5 (1–6.2)	0.081
14 to 15	4 (1.9–8.2)	<0.001	4.9 (2–12.4)	<0.001
How many days you missed school?
Never	1 (ref)		1 (ref)
More than once	3.9 (1.7–9)	<0.001	3.2 (2.5–15.4)	<0.001