親のストレス軽減が子どもの肥満を防ぐ可能性(The weight of stress: Helping parents may protect children from obesity)

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2026-03-06 イェール大学

イェール大学の研究チームは、親のストレスや体重管理を支援することが子どもの肥満予防につながる可能性を示した。研究では、家庭環境や親の心理的負担が子どもの食習慣や生活習慣に影響する点に注目し、親を対象とした支援プログラムの効果を分析した。その結果、親のストレスを軽減し健康的な生活習慣を促す支援を行うことで、家庭全体の食事や運動習慣が改善し、子どもの肥満リスクが低下する傾向が確認された。従来の肥満対策は子ども本人の行動改善に焦点を当てることが多かったが、本研究は家族全体の環境や保護者の健康状態を重視するアプローチの重要性を示している。研究者は、親への心理的・生活支援を組み込んだ公衆衛生プログラムが、子どもの長期的な健康維持に役立つ可能性があると指摘している。

<関連情報>

親のストレスと子供の肥満リスクに対するマインドフルネス介入:ランダム化試験 Mindfulness Intervention for Parent Stress and Childhood Obesity Risk: A Randomized Trial

Nia Fogelman, PhD;Heather Bernstein, PsyD;Tara Bautista, PhD;Mary Savoye, RD;Tara M. Chaplin, PhD;Wendy K. Silverman, PhD;Ania M. Jastreboff, MD, PhD;Rajita Sinha, PhD
Pediatrics  Published:March 06 2026
DOI:https://doi.org/10.1542/peds.2025-072230

OBJECTIVE

To assess whether a novel parent stress with nutrition vs nutrition alone intervention decreases early childhood obesity risk.

METHODS

A prospective, parallel, 12-week randomized controlled trial with parents who were overweight (114 dyads body mass index [BMI]: 34.7 ± 6.6) and their young children (aged 2–5 years) was conducted between November 2018 and July 2022. Parenting Mindfully for Health (PMH+N) was compared with the control (CTL+N) weekly group intervention, each with nutrition and physical activity (N) psychoeducation. Changes in child BMI and parent stress were coprimary outcomes, whereas observed parenting in an established laboratory-based parent-child Toy-Wait Task (TWT) and child food intake were secondary outcomes.

RESULTS

Child BMI z score significantly increased by 0.41 ([0.13, 0.69], P < .005) in the CTL+N, but PMH+N remained unchanged (0.20 [−0.49, 0.09], P > .17) over the 3-month follow-up, and parent stress decreased (3.17 [−5.19, −1.15] points, P < .003) only in the PMH+N arm. Significant time main effects indicated increased TWT positive parenting (2.82 [1.24, 4.4], P < .001) and reduced unhealthy child food intake (−1.78 [−3.02, −0.54]), driven by the PMH+N arm (P values <.02). Parent stress interacted with PMH+N vs CTL+N intervention to predict lower TWT positive parenting and child healthy food intake in the CTL+N arm (−1.74 [−3.26, −0.22] and −3.41 [−7.25, 0.42], respectively).

CONCLUSIONS

Targeting parent stress with healthy nutrition is effective in preventing short-term early childhood obesity risk and in improving positive parenting and child healthy food intake. Further assessment of long-term effects of the PMH+N intervention on early childhood risk is warranted. (Clinical Trials Registration: NCT03950453)

医療・健康
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