Table 2. Comparing various factors between students with Wechsler’s scale (more than 90 as controls or less than 90 as cases) using conditional logistic regression (individually matched for age, school and class) .
| Variables | Case | Control | OR (95% CI) | P value | ||
| Number | Percent | Number | Percent | |||
| Food security status | ||||||
| Secure | 86 | 77.4 | 46 | 41.4 | 1.00 | |
| Insecure | 25 | 22.5 | 65 | 58.5 | 4.82 (2.71, 8.70) | 0.001 |
| Mother's occupation | ||||||
| Working | 15 | 13.5 | 29 | 26.1 | 1.00 | |
| Not working | 96 | 86.5 | 82 | 73.9 | 3.71 (1.60, 9.81) | 0.042 |
| Mother's education | ||||||
| Below diploma | 49 | 44.1 | 21 | 18.9 | 1.00 | |
| Diploma | 50 | 45.0 | 51 | 45.9 | 0.41 (0.20, 0.82) | 0.001 |
| Higher than diploma | 12 | 10.8 | 39 | 35.1 | 0.12 (0.06, 0.32) | 0.001 |
| father's education | ||||||
| Below diploma | 47 | 42.3 | 14 | 12.6 | 1.00 | |
| Diploma | 49 | 44.1 | 43 | 38.7 | 0.33 (0.21, 0.70) | 0.001 |
| Higher than diploma | 15 | 13.5 | 54 | 48.6 | 0.11 (0.04, 0.21) | 0.001 |
| Family's economy | ||||||
| Rich | 8 | 7.2 | 13 | 11.7 | 1.00 | |
| Average | 42 | 37.8 | 55 | 49.5 | 1.21 (0.53, 3.32) | 0.023 |
| Poor | 61 | 55.0 | 43 | 38.7 | 2.31 (0.91, 6.00) | 0.049 |
| Employed member(s) of the family | ||||||
| None | 4 | 3.6 | 3 | 2.7 | 1.00 | |
| Mother or Father | 89 | 80.2 | 73 | 65.8 | 0.91 (0.44, 4.21) | 0.014 |
| Both | 18 | 16.2 | 35 | 31.5 | 0.41 (0.10, 1.93) | 0.028 |
| Does the child eat breakfast? | ||||||
| Yes | 40 | 36.0 | 71 | 64.0 | 1.00 | |
| No | 71 | 64.0 | 40 | 36.0 | 3.22 (1.80, 5.42) | 0.001 |
| Type of delivery | ||||||
| Natural | 52 | 46.9 | 25 | 22.5 | 1.00 | |
| Cesarean | 59 | 53.1 | 86 | 77.5 | 0.33 (0.21, 0.60) | 0.001 |