数据日期 2026-10-29 · 生成时间 2026-10-29 06:03
研究问题
Promoting healthy aging is a major public health priority both globally and in Canada, given that population demographics are shifting to older ages [1,2].
方法
We excluded participants who did not report consuming F/V at least once per day at baseline, so our outcome was the loss of daily F/V intake over time.；Changes in Fruit or Vegetable Intak] Our primary outcome was the change from daily F/V intake at Wave 1 (2011–2015) to non-daily intake at a 6-year follow-up in Wave 3 (2018–2021); reported as the loss of daily intake.
核心结论
The study duration averaged 70 months (SD 5.38) with a sample mean age of 62 years (9.83) and 60.64% women.；There was evidence of effect modification by income only for the associations of social isolation and social participation with fruit intake among women (omnibus test of overall group effect, p = 0.02 for each exposure).；Remaining less socially diverse was associated with loss of daily fruit intake among women in both the high-income (OR 1.74 [1.36, 2.21]) and low-income (OR 1.40 [1.10, 1.78]) groups and among men in both the high-income (OR 1.40 [1.12, 1.77]) and low-income (OR 1.44 [1.05, 1.97]) groups, as compared to referents. ‖ 结论：This study’s results highlight the importance of considering within-group SES heterogeneity and demonstrate that social engagement may influence dietary behaviours differently across both socioeconomic and gender strata.
局限
Beyond the overall effect modification findings, transition-specific associations appeared relevant within particular SES subgroups of women and men, which provide complementary information on subpopulation heterogeneity.；Broadly, this study demonstrates that population health research benefits from an intersectional perspective that examines heterogeneity within gender and socioeconomic groups.；Our within-group heterogeneity among women and among men makes a novel contribution to the social nutritional epidemiology literature.
对本项目的价值
★★☆☆☆ 干预证据决定参照标准效应量——任何抗衰干预的收益至少应对标该基线。最大样本量约 11,900；设计 前瞻队列、横断面。
全文来源
PMC JATS 全文（正文 31,834 字符，已过标题/DOI 逐字归属校验）
原文题录
- 英文标题：Whose Diet Suffers When Social Ties Change? Inter-Related Socioeconomic and Gender Inequalities in the Canadian Longitudinal Study on Aging Cohort.
- 期刊与标识：Nutrients · PMID 42942987 · DOI 10.3390/nu18203416**
A 级证据分级：A 级（同行评议人体研究）
本文属人体研究证据，但需注意：观察性或小样本干预的结论不等于已证实临床获益；效应量与长期安全性仍需更大规模、更长随访的试验验证。
关于本文的文献来源：本站依据 IMA 知识库「五刊监控·深度文献卡片」撰写，依据已获取的期刊全文（方法、样本量与结论已回到原文核对）；未能获取全文的同批条目另行标注「摘要级」，全程未做任何数值推算补全。