Table 2 The relation between IQ and birth order
From: Nutritional reflection on growth and development among intellectually disabled children
Birth order | IQ test ≤ 75 | IQ test > 75 | χ2 | p |
|---|---|---|---|---|
 ≤ 2 | ||||
 No | 24 | 40 | 3.280 | 0.070 |
 % | 55.8% | 70.17% |  |  |
 > 2 | ||||
 No | 19 | 17 |  |  |
 % | 44.2% | 29.83% |  |  |
Total | ||||
 No | 43 | 57 |  |  |
 % | 100% | 100% |  |  |