대상자의 임신 주수는 23~37주이었으며, 초임 부 14명을 2~5명으로 구성하여 4개 그룹으로 나누어 면담을 실시하였다.
The subject's gestational weeks were 23-37 weeks, and 14 first-time pregnant women were divided into 4 groups, consisting of 2-5 people, and interviews were conducted.