Table 1 Socio-demographic and personal data for the Cochlear Implant (CI) group (N = 38) and Normal Hearing (NH) group (N = 48) and the result of the Chi-square tests to compare between groups
From: Cognitive functioning in Deaf children using Cochlear implants
Variable | CI group | NH group | Chi-square Value | P-Value |
|---|---|---|---|---|
N (%) | N (%) | |||
Age at first testing | ||||
 4–6 years | 22 (58) | 24 (50) | 0.513 | 0.200 |
 7–9 years | 16 (42) | 24 (50) | ||
 Mean ± Standard Deviation | 6.16 ± 1.9 | 6.32 ± 1.3 | ||
Gender | ||||
 Male | 17 (44.7) | 21 (43.8) | 0.008 | 1.00 |
 Female | 21 (55.3) | 27 (56.2) | ||
Area of living | ||||
 Urban | 20 (52.6) | 25 (52.0) | 0.037 | 1.00 |
 Rural | 18 (47.4) | 23 (48.0) | ||
School type | ||||
 Public | 15 (39.5) | 19 (39.6) | 0.631 | 0.50 |
 Private | 23 (60.5) | 29 (60.4) | ||
Students live with both parents | ||||
 Yes | 38 (100) | 48 (100) |  |  |
 No | 0 (0) | 0 (0) | ||
Student’s GPA | ||||
 70–79 (Good) | 5 (13.2) | 6 (12.5) | 0.012 | 0.99 |
 80–89 (Very Good) | 23 (60.5) | 29 (60.4) | ||
 90–100 (Excellent) | 10 (26.3) | 13 (27.1) | ||
Family yearly income (1 JD = 1.4 U.S.D) | ||||
  < 6000 JD | 31 (81.6) | 39 (81.25) | 0.002 | 0.97 |
  > 6000 JD | 7 (18.4) | 9 (18.75) | ||
Child takes breakfast at home before going to school | ||||
 No | 9 (23.7) | 11 (22.9) | 0.007 | 0.93 |
 Yes | 29 (76.3) | 37 (77.1) | ||
Number of sleep hours | ||||
 8–9 h | 21 (55.3) | 26 (54.17) | 0.010 | 1.00 |
 10–11 h | 17 (44.7) | 22 (45.83) | ||