Table 5.
Intelligence Quotient by Age and Gender
| Variables | IQ categories, n (%) | Total | ||
|---|---|---|---|---|
| Average | Mental deficiency | Mental dullness | ||
| All Age groups | ||||
| 6 - 7 yrs | 31 (38.8) | 33 (41.2) | 16 (20.0) | 80 (100.0) |
| 8 - 9 yrs | 18 (19.1) | 65 (69.2) | 11 (11.7) | 94 (100.0) |
| 10 - 12 yrs | 29 (13.8) | 153 (72.9) | 28 (13.3) | 210 (100.0) |
| Total | 78 (20.3) | 251 (65.4) | 55 (14.3) | 384 (100.0) |
| χ2 = 29.344, df = 4; p <0.0001 | ||||
| Age group (Male) | ||||
| 6 - 7 yrs | 18 (40.9) | 15 (34.1) | 11 (25.0) | 44 (100.0) |
| 8 - 9 yrs | 7 (15.6) | 29 (64.4) | 9 (20.0) | 45 (100.0) |
| 10 - 12 yrs | 13 (12.9) | 74 (73.2) | 14 (13.9) | 101 (100.0) |
| Total | 38 (20.0) | 118 (62.1) | 34 (17.9) | 190 (100.0) |
| χ2 = 22.526, df = 4; p <0.0001 | ||||
| Age group (Female) | ||||
| 6 - 7 yrs | 13 (36.1) | 18 (50.0) | 5 (13.9) | 36 (100.0) |
| 8 - 9 yrs | 11 (22.4) | 36 (73.5) | 2 (4.1) | 49 (100.0) |
| 10 - 12 yrs | 16 (14.7) | 79 (72.5) | 14 (12.8) | 109 (100.0) |
| Total | 40 (20.6) | 133 (68.6) | 21 (10.8) | 194 (100.0) |
| χ2 = 11.142, df = 4; p = 0.025 | ||||
| Gender | ||||
| Male | 38 (20.0) | 118 (62.1) | 34 (17.9) | 190 (100.0) |
| Female | 40 (20.6) | 133 (68.6) | 21 (10.8) | 194 (100.0) |
| χ2 = 3.979, df = 2; p = 0.137 | ||||