More frequent cooking at home is associated with higher Healthy Eating Index-2015 score
More frequent cooking at home is associated with higher Healthy Eating Index-2015 score
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DOI:
10.1017/s1368980019003549
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发表时间:
2020-09-01
影响因子:
3.2
通讯作者:
Richardson, Caroline R.
中科院分区:
文献类型:
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作者:
Wolfson, Julia A.;Leung, Cindy W.;Richardson, Caroline R.
Objective: To examine the association between cooking frequency and Healthy Eating Index (HEI)-2015, overall and by income, among US adults. Design: Cross-sectional analysis using multivariable linear regression models to examine the association between cooking frequency and total HEI-2015 score adjusted for sociodemographic variables, overall and stratified by income. Setting: Nationally representative survey data from the USA. Participants: Adults aged >= 20 years (with 2 d of 24 h dietary recall data) obtained from the 2007 to 2010 National Health and Nutrition Examination Survey (n8668). Results: Compared with cooking dinner 0-2 times/week, greater cooking frequency was associated with higher HEI-2015 score overall (>= 7 times/week: +3 center dot 57 points,P< 0 center dot 001), among lower-income adults (>= 7 times/week: +2 center dot 55 points,P= 0 center dot 001) and among higher-income adults (>= 7 times/week: +5 center dot 07 points,P< 0 center dot 001). Overall, total HEI-2015 score was higher among adults living in households where dinner was cooked >= 7 times/week (54 center dot 54 points) compared with adults living in households where dinner was cooked 0-2 times/week (50 center dot 57 points). In households in which dinner was cooked >= 7 times/week, total HEI-2015 score differed significantly based on income status (lower-income: 52 center dot 51 points; higher-income: 57 center dot 35 points;P= 0 center dot 003). Cooking frequency was associated with significant differences in HEI-2015 component scores, but associations varied by income. Conclusions: More frequent cooking at home is associated with better diet quality overall and among lower- and higher-income adults, although the association between cooking and better diet quality is stronger among high-income adults. Strategies are needed to help lower-income Americans consume a healthy diet regardless of how frequently they cook at home.