대상자의 평균 연령은 39.3세이며, 현재 자녀수 0명인 기혼 여성(37.5세)과 자녀수 1명인 기혼 여성(40.9세)의 연령은 약 3세 정도의 차이가 있었다.
The average age of the subjects was 39.3 years, and there was a difference of about 3 years between the age of a married woman (37.5 years old) with 0 children and a married woman (40.9 years old) with 1 child.