Table 3

The relationship between level of mother’s IQ and malnutrition in the child

Mother’s IQNo. of cases (n = 72)No. of controls (n = 72)Odds ratio (95% CI)
Mantel-Haenszel χ2 test for linear association = 15.71812; df = 1; p = 0.001.
⩽7016 (22.2%)5 (6.9%)12.80 (2.64 to 68.64)
71–8930 (41.7%)22 (30.6%)5.45 (1.59 to 19.77)
90–11021 (29.2%)25 (34.7%)3.36 (0.96 to 12.38)
⩾1115 (6.9%)20 (27.8%)1.00