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Dietary diversity was positively associated with psychological resilience among elders: a population-based study
Yin et. al (2019) tackled the association between dietary diversity (DD) and psychological resilience in an elderly Chinese population. With 8571 community-based citizens taking part in this study, the frequency of food groups in their diets were reported, and psychological resilience assessed through a simplified resilience score (SRS). Lower DD resulted in poorer resilience compared to those with good DD, with the association proving significant [ β (95% CI) = -0.94 (-1.07, -0.81) for SRS (p<0.01) and odds ratio (OR) of 1.83]. The interaction effects of age with DD were also statistically significant with p-value less than 0.001 for SRS and low SRS status. When age groups were analysed, it was revealed that the younger subgroup was more likely to score less on SRS if on a poor DD compared to the older subgroup, with 83% and 61% increases in occurrence in separate analyses. The younger subjects consuming diets with higher diversity on average scored higher on SRS than others (compared to this group, risk of scoring low in resilience was higher in those younger with low DD, oldest with good DD, oldest old with poor DD, as ORs were 2.39, 1.28, and 2.03 respectively). Increased consumption of vegetables, fruits and nuts proved to contribute most to the DD. The researchers may have discovered that greater diet diversity is crucial in maintaining/improving resilience in the Chinese elderly and perhaps even more important in the younger elderly. [NPID: resilience, diet diversity, Chinese, China, elderly, vegetables, fruits, FV intake, nuts]
Year: 2019
