| Variable | Cases (No. 250) | Control (No. 250) | Significant Tests | ||
| No. | % | No. | % | ||
| 1-Age “months” | |||||
| Mean ± SD | 18.16 ± 11.19 | 19.55 ± 9.10 | T-test = 2.54 P = 0.128 n.s | ||
| 2-Sex: | |||||
| Male | 96
| 38.4 | 85 | 34.0 | x2 = 1.048 P = 0.176 |
| Female | 154 | 61.6 | 165 | 66.0 | |
| 3-Residence: | |||||
| Rural | 15 | 6.0 | 20 | 8.0 | x2 = 0.768 P = 0.242 |
| Urban | 235 | 94.0 | 230 | 92.0 | |
| 4-Level of education of mother | |||||
| Illiterate | 29 | 11.6 | 21 | 8.4 | x2 = 51.965 P = 0.000 |
| Read and write | 38 | 15.2 | 22 | 8.8 | |
| Primary education | 58 | 23.2 | 20 | 8.0 | |
| Secondary education | 55 | 22.0 | 42 | 16.8 | |
| University | 70 | 28.0 | 145 | 58.0 | |
| 5-Mother Job | |||||
| Work | 172 | 68.8 | 187 | 74.8 | x2 = 2.222 |
| House wife | 78 | 31.2 | 63 | 25.2 | P = 0.082 |
| 6-Sibling of children | |||||
| First | 58 | 23.2 | 63 | 25.2 | x2 = 32.139 P = 0.000 |
| Second | 114 | 45.6 | 85 | 34.0 | |
| Third | 39 | 15.6 | 61 | 24.4 | |
| Fourth | 20 | 8.0 | 40 | 16.0 | |
| Fifth | 19 | 7.6 | 1 | 0.4 | |
| 7-No. of room | |||||
| 1 - 2 rooms | 231 | 92.4 | 209 | 83.6 | x2 = 9.167 |
| 3 - 4 rooms | 19 | 7.6 | 41 | 16.4 | P = 0.002 |