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Familial resemblance in dietary intakes of children, adolescents, and parents : does dietary quality play a role?

(2017) NUTRIENTS. 9(8).
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Abstract
Information on familial resemblance is important for the design of effective family-based interventions. We aimed to quantify familial correlations and estimate the proportion of variation attributable to genetic and shared environmental effects (i.e., familiality) for dietary intake variables and determine whether they vary by generation, sex, dietary quality, or by the age of the children. The study sample consisted of 1435 families (1007 mothers, 438 fathers, 1035 daughters, and 1080 sons) from the multi-center I. Family study. Dietary intake was assessed in parents and their 2-19 years old children using repeated 24-h dietary recalls, from which the usual energy and food intakes were estimated with the U.S. National Cancer Institute Method. Food items were categorized as healthy or unhealthy based on their sugar, fat, and fiber content. Interclass and intraclass correlations were calculated for relative pairs. Familiality was estimated using variance component methods. Parent-offspring (r = 0.11-0.33), sibling (r = 0.21-0.43), and spouse (r = 0.15-0.33) correlations were modest. Parent-offspring correlations were stronger for the intake of healthy (r = 0.33) than unhealthy r = 0.10) foods. Familiality estimates were 61% (95% CI: 54-68%) for the intake of fruit and vegetables and the sum of healthy foods and only 30% (95% CI: 23-38%) for the sum of unhealthy foods. Familial factors explained a larger proportion of the variance in healthy food intake (71%; 95% CI: 62-81%) in younger children below the age of 11 than in older children equal or above the age of 11 (48%; 95% CI: 38-58%). Factors shared by family members such as genetics and/or the shared home environment play a stronger role in shaping children's intake of healthy foods than unhealthy foods. This suggests that family-based interventions are likely to have greater effects when targeting healthy food choices and families with younger children, and that other sorts of intervention are needed to address the intake of unhealthy foods by children.
Keywords
familial aggregation, familial resemblance, familiality, shared environment, family study, dietary intake, diet quality, healthy diet, young children, adolescence, EPISODICALLY CONSUMED FOODS, PREFERENCES, RECALLS, ENERGY, COHORT, MACRONUTRIENT, NONPATERNITY, METAANALYSIS, CONSUMPTION, PREVALENCE

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Citation

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Chicago
Bogl, Leonie H, Karri Silventoinen, Antje Hebestreit, Timm Intemann, Garrath Williams, Nathalie Michels, Dénes Molnár, et al. 2017. “Familial Resemblance in Dietary Intakes of Children, Adolescents, and Parents : Does Dietary Quality Play a Role?” Nutrients 9 (8).
APA
Bogl, L. H., Silventoinen, K., Hebestreit, A., Intemann, T., Williams, G., Michels, N., Molnár, D., et al. (2017). Familial resemblance in dietary intakes of children, adolescents, and parents : does dietary quality play a role? NUTRIENTS, 9(8).
Vancouver
1.
Bogl LH, Silventoinen K, Hebestreit A, Intemann T, Williams G, Michels N, et al. Familial resemblance in dietary intakes of children, adolescents, and parents : does dietary quality play a role? NUTRIENTS. 2017;9(8).
MLA
Bogl, Leonie H, Karri Silventoinen, Antje Hebestreit, et al. “Familial Resemblance in Dietary Intakes of Children, Adolescents, and Parents : Does Dietary Quality Play a Role?” NUTRIENTS 9.8 (2017): n. pag. Print.
@article{8542101,
  abstract     = {Information on familial resemblance is important for the design of effective family-based interventions. We aimed to quantify familial correlations and estimate the proportion of variation attributable to genetic and shared environmental effects (i.e., familiality) for dietary intake variables and determine whether they vary by generation, sex, dietary quality, or by the age of the children. The study sample consisted of 1435 families (1007 mothers, 438 fathers, 1035 daughters, and 1080 sons) from the multi-center I. Family study. Dietary intake was assessed in parents and their 2-19 years old children using repeated 24-h dietary recalls, from which the usual energy and food intakes were estimated with the U.S. National Cancer Institute Method. Food items were categorized as healthy or unhealthy based on their sugar, fat, and fiber content. Interclass and intraclass correlations were calculated for relative pairs. Familiality was estimated using variance component methods. Parent-offspring (r = 0.11-0.33), sibling (r = 0.21-0.43), and spouse (r = 0.15-0.33) correlations were modest. Parent-offspring correlations were stronger for the intake of healthy (r = 0.33) than unhealthy r = 0.10) foods. Familiality estimates were 61\% (95\% CI: 54-68\%) for the intake of fruit and vegetables and the sum of healthy foods and only 30\% (95\% CI: 23-38\%) for the sum of unhealthy foods. Familial factors explained a larger proportion of the variance in healthy food intake (71\%; 95\% CI: 62-81\%) in younger children below the age of 11 than in older children equal or above the age of 11 (48\%; 95\% CI: 38-58\%). Factors shared by family members such as genetics and/or the shared home environment play a stronger role in shaping children's intake of healthy foods than unhealthy foods. This suggests that family-based interventions are likely to have greater effects when targeting healthy food choices and families with younger children, and that other sorts of intervention are needed to address the intake of unhealthy foods by children.},
  articleno    = {892},
  author       = {Bogl, Leonie H and Silventoinen, Karri and Hebestreit, Antje and Intemann, Timm and Williams, Garrath and Michels, Nathalie and Moln{\'a}r, D{\'e}nes and Page, Angie and Pala, Valeria and Papoutsou, Stalo and Pigeot, Iris and Reisch, Lucia A and Russo, Paola and Veidebaum, Toomas and Moreno, Luis A and Lissner, Lauren and Kaprio, Jaakko},
  issn         = {2072-6643},
  journal      = {NUTRIENTS},
  language     = {eng},
  number       = {8},
  pages        = {18},
  title        = {Familial resemblance in dietary intakes of children, adolescents, and parents : does dietary quality play a role?},
  url          = {http://dx.doi.org/10.3390/nu9080892},
  volume       = {9},
  year         = {2017},
}

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