变量类型

变量

定义

被解释变量

随着年龄的增长感到自己一无是处

1 = “总是”

2 = “经常”

3 = “有时”

4 = “很少”

5 = “从不”

6 = “不能回答”

核心自变量

年龄

1 = “60~74”

2 = “75~89”

3 = “90~120”

控制变量

性别

1 = “男”

2 = “女”

自评生活质量

1 = “非常好”

2 = “好”

3 = “一般”

4 = “糟糕”

5 = “非常糟糕”

6 = “不能回答”

自评健康

1 = “非常好”

2 = “好”

3 = “一般”

4 = “糟糕”

5 = “非常糟糕”

6 = “不能回答”

居住地

1 = “城市”

2 = “乡镇”

3 = “农村”

受教育年限

1 = “0~6”

2 = “7~9”

3 = “10~12”

4 = “12及以上”