The degree of similarity between dietary intakes of offspring and their parents may be different across various countries. This study aimed to investigate the correlation between food group intakes and dietary quality in three younger-middle-older generations by living arrangements. Individuals who participated in the 5th survey of the Tehran Lipid and Glucose Study, 1286 families (4685 subjects) with complete data for two or three generations were entered in this cross-sectional study. Genetic data management system from Progeny Software was used to error-check family data pedigree details. Dietary data were gathered using a valid and reliable food frequency questionnaire. The healthy eating index score was computed. Data of parents with their offspring were compared using paired t-test and partial correlation. The mean ages of grandfathers and grandmothers were 69.4 ± 7.9 and 63.7 ± 8.5 respectively. Of girls and boys who lived with their parents, about 59% were 20 years or older. The correlation of parents' dietary intake and their young offspring who lived with them was higher than that of parents and adult offspring who lived independently from their parents. The correlation of dietary quality and food group intakes in mother-offspring dyads (mother-son: 0.37, mother-daughter: 0.44) were higher than father-offspring (father-son: 0.34, father-daughter: 0.25) dyads. The dietary quality of parents was higher than that of offspring in both living statuses. The dietary intake of adult married offspring was not correlated with their parents; also there was no correlation between the dietary quality of younger and older generations. There were weak to moderate similarities between food group intakes of parent-offspring dyads that lived with their parents.
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| http://dx.doi.org/10.1016/j.appet.2021.105794 | DOI Listing |
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