This table (cross classification),having two variable: alcohol consumption(ordinal variable) and malformation (scale variable). For ordinal variable the scores is (0,0.5,1.5,4,7) Table 2.6 Infant malformation and mother's alcohol consumption.. Alcohol Malformation Percentage Standardized Consumption Absent Present Total Present Residual 0 17,066 48 17,114 0.28 -0.18