Characteristics | Achievement Index (I) | ||||
---|---|---|---|---|---|
 | I(1) [SE]* | I(2) [SE]* | I(3) [SE]* | I(4) [SE]* | I(5) [SE]* |
Maternal education | Â | Â | Â | Â | Â |
   No education | 1.905 | 1.973 (0.031) | 1.989 (0.047) | 2.000 (0.062) | 2.002 (0.069) |
   Primary education | 1.464 | 1.602 (0.033) | 1.658 (0.053) | 1.685 (0.071) | 1.698 (0.074) |
   Secondary or higher | 0.904 | 1.083 (0.025) | 1.164 (0.042) | 1.219 (0.051) | 1.261 (0.065) |
Region | Â | Â | Â | Â | Â |
   North central | 1.234 | 1.399 (0.037) | 1.466 (0.051) | 1.496 (0.063) | 1.510 (0.075) |
   North east | 1.709 | 1.882 (0.041) | 1.951 (0.067) | 1.990 (0.086) | 2.018 (0.103) |
   North west | 2.131 | 2.269 (0.037) | 2.303 (0.062) | 2.321 (0.074) | 2.338 (0.083) |
   South east | 0.984 | 1.171 (0.039) | 1.310 (0.060) | 1.422 (0.079) | 1.513 (0.097) |
   South south | 0.854 | 1.068 (0.046) | 1.152 (0.077) | 1.188 (0.100) | 1.205 (0.124) |
   South west | 1.084 | 1.396 (0.042) | 1.547 (0.073) | 1.643 (0.102) | 1.712 (0.115) |
Type of residence | Â | Â | Â | Â | Â |
   Urban | 1.214 | 1.433 (0.026) | 1.538 (0.047) | 1.610 (0.062) | 1.667 (0.070) |
   Rural | 1.696 | 1.844 (0.030) | 1.880 (0.046) | 1.894 (0.057) | 1.902 (0.064) |
Ethnicity | Â | Â | Â | Â | Â |
   Hausa/Fulani | 2.085 | 2.183 (0.031) | 2.215 (0.043) | 2.234 (0.062) | 2.251 (0.070) |
   Igbo | 0.851 | 1.086 (0.032) | 1.247 (0.051) | 1.370 (0.061) | 1.464 (0.079) |
   Yoruba | 1.135 | 1.387 (0.047) | 1.505 (0.073) | 1.587 (0.100) | 1.655 (0.119) |
   Others | 1.309 | 1.521 (0.026) | 1.597 (0.044) | 1.637 (0.058) | 1.665 (0.074) |
Child's sex | Â | Â | Â | Â | Â |
   Male | 1.570 | 1.799 (0.016) | 1.884 (0.041) | 1.926 (0.052) | 1.950 (0.059) |
   Female | 1.453 | 1.668 (0.024) | 1.740 (0.041) | 1.771 (0.055) | 1.787 (0.064) |
Overall | 1.512 | 1.734 (0.021) | 1.813 (0.034) | 1.850 (0.042) | 1.869 (0.051) |