Research
Energy balance
Diet quality of foods consumed from grocery stores increased modestly in children from 53.2% to 45.1% with poor diet quality and in adults from 40.1% to 32.9% with poor diet quality.
Practitioners should note the modest improvements in grocery store food quality among children and adults, indicating a positive trend in dietary habits.
StrongSupportsmedium confidence
Diet quality of foods consumed from grocery stores increased modestly in children (53.2% to 45.1% with poor diet quality; P = .006 for trend) and adults (40.1% to 32.9% with poor diet quality; P = .001 for trend).
Why this rating
Based on a large cross-sectional survey study design.
Source
Trends in Food Sources and Diet Quality Among US Children and Adults, 2003-2018
Junxiu Liu et al. · JAMA Network Open · 2021
DOI 10.1001/jamanetworkopen.2021.5262
cross-sectional · n=59862Cited 169×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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