Research Article
Neurocognitive Functioning among Children with Sickle Cell Anemia Attending SCA Clinic at MNH, Dar es Salaam, Tanzania
Table 6
Factors for impaired IQ among studied children with SCA attending MNH (n = 257).
| | Factor for impaired IQ | Sickle cell group (n = 194) | Normal siblings (n = 63) | Total | X2, value |
| | Age (yrs) | | | | | | 9 to 10 | 44 (22.7) | 28 (44.4) | 72 (28) | | | 11 to 13 | 55 (28.4) | 20 (31.7) | 75 (29.2) | | | 14 to 15 | 95 (49) | 15 (23.8) | 110 (42.8) | 15.2, <0.001 |
| | Sex | | | | | | Male | 87 (44.8) | 24 (38.1) | 111 (43.2) | | | Female | 107 (55.2) | 39 (61.9) | 146 (56.8) | 0.88, 0.347 |
| | Children education | | | | | | Primary | 147 (75.8) | 53 (84.1) | 200 (77.8) | | | Secondary | 47 (24.2) | 10 (15.9) | 57 (22.2) | 1.92, 0.166 |
| | BMI | | | | | | Normal | 49 (25.3) | 19 (30.2) | 68 (26.5) | | | Underweight | 145 (74.7) | 44 (69.8) | 189 (73.5) | 0.58, 0.444 |
| | Father education | | | | | | Primary | 128 (66) | 43 (68.3) | 171 (66.5) | | | Secondary | 42 (21.6) | 13 (20.6) | 55 (21.4) | | | University | 24 (12.4) | 7 (11.1) | 31 (12.1) | 1.22, 0.94 |
| | Mother education | | | | | | Primary | 141 (72.7) | 50 (79.4) | 191 (74.3) | | | Secondary | 53 (25.7) | 13 (20.6) | 66 (25.7) | 1.1, 0.29 | | School absence | | | | | | Never | 44 (22.7) | 56 (88.9) | 100 (38.9) | | | More than once | 150 (77.3) | 7 (11.1) | 157 (61.1) | 87, <0.001 |
| | What is your position in class? | | | | | | Within top 10 | 31 (16) | 9 (14.3) | 40 (15.6) | | | Out of top 10 | 163 (84) | 54 (85.7) | 217 (84.4) | 0.11, 0.747 |
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