School of Medicine, Akita University, 1-1-1 Hondo, Akita 010-8543, Japan.
Research and Development Department, Bean Stalk Snow Co., Ltd., Saitama 350-1165, Japan.
Nutrients. 2022 Mar 8;14(6):1138. doi: 10.3390/nu14061138.
This study investigated whether parenting stress is associated with breastfeeding type (exclusive or partial). Between 2014 and 2019, we recruited 1210 healthy mothers (mean age, 31.2 years; 65%, multiparity) from 73 obstetric institutions across all prefectures of Japan. Among these, 1120 mothers at two months and 1035 mothers at six months were investigated for parenting stress and breastfeeding type: exclusive versus otherwise (partial). Parenting stress was measured by a validated Japanese scale consisting of childcare exhaustion, worry about child's development, and no partner support. Exclusive breastfeeding prevalence was 75% at two and 78% at six months. The total scores for childcare exhaustion and worry about child development were statistically higher in the partial breastfeeding group than in the exclusive breastfeeding group at two months but not at six months. A logistic regression model demonstrated that childcare exhaustion was significantly associated with an increased risk of having partial breastfeeding at two months after adjusting for the maternal Body Mass Index, parity, and baby's current weight. However, the association was no longer significant at six months. The present study suggests that intervention for parenting stress at two months postpartum may promote prolonged exclusive breastfeeding.
本研究旨在探讨育儿压力是否与母乳喂养类型（完全母乳喂养或部分母乳喂养）有关。2014 年至 2019 年期间，我们从日本所有都道府县的 73 家产科机构招募了 1210 名健康母亲（平均年龄 31.2 岁，65%为多胎）。其中，有 1120 名母亲在两个月时和 1035 名母亲在六个月时接受了育儿压力和母乳喂养类型（完全母乳喂养或部分母乳喂养）的调查。育儿压力采用经过验证的日本量表进行评估，包括育儿疲惫、对孩子发育的担忧和缺乏伴侣支持。在两个月和六个月时，完全母乳喂养的比例分别为 75%和 78%。在两个月时，完全母乳喂养组的育儿疲惫和对孩子发育的担忧总分均显著高于部分母乳喂养组，但在六个月时则无此差异。逻辑回归模型表明，在调整了母亲的体重指数、产次和婴儿当前体重后，两个月时的育儿疲惫与部分母乳喂养的风险增加显著相关。但在六个月时，这种关联不再显著。本研究表明，产后两个月时对育儿压力进行干预可能有助于促进更长时间的完全母乳喂养。
