The 23 variables and the number of possible category codes within them. Combinations of options were coded by entering multiple codes separated by a comma.

The 23 variables and the number of possible category codes within them. Combinations of options were coded by entering multiple codes separated by a comma.本数据集包含23个变量，以及各变量内可使用的类别编码数量。选项组合通过输入多个以逗号分隔的编码完成编码。