Table 4. Logistic regression of variables predicting below average socio-emotional composite score.
| B | S.E. | Wald | df | p | Adjusted odds | 95% Confidence Interval for adjusted odds | ||
|---|---|---|---|---|---|---|---|---|
| Lower Bound | Upper Bound | |||||||
| Intercept | .001 | .744 | .000 | 1 | .999 | |||
| Child order | .140 | .255 | .300 | 1 | .584 | 1.150 | .697 | 1.897 |
| Maternal education | .405 | .264 | 2.351 | 1 | .125 | 1.500 | .893 | 2.518 |
| Maternal occupation | -.345 | .301 | 1.316 | 1 | .251 | .708 | .393 | 1.277 |
| Level of serum zinc: subnormal a | 1.154 | .293 | 15.518 | 1 | .000 | .315 | .178 | .560 |
| Introduction of complementary food: before six month b | .620 | .227 | 7.489 | 1 | .006 | .538 | .345 | .839 |
| Feeding type: bottle c | .848 | .247 | 11.745 | 1 | .001 | 2.335 | 1.438 | 3.793 |
| mixed c | -.048 | .320 | .023 | 1 | .880 | .953 | .509 | 1.783 |
a. Reference group: normal serum zinc
b. Reference group: Introduction of complementary food after six months,
c. Reference group: breast feeding.