식(4)의 종속변수인 총 생활비 지출과 설명변수인 순자산은 자연로그를 취하였고 가구주의 연령과 가구원수는 그대로 적용하였다.
The natural logarithm was taken for the dependent variable, total living expenditure, and the explanatory variable, net assets, and the age and number of household heads were applied as they were.