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Physiol Behav ; 211: 112636, 2019 11 01.
Artigo em Inglês | MEDLINE | ID: mdl-31404539


Eating behaviors, especially the control of intake, are modulated by both internal and external factors. The objective of our study was to examine the effect of the interaction between eating motivation (as an internal factor) and food partition (as an external factor) on chocolate intake in children, with the hypothesis, based on the paradigm of motivated perception, that the effect of partition, i.e. reduced intake, is higher for children with a high level of eating motivation than for other children. A mixed model design was used in which 80 children aged 8-11 yrs. were offered, in their natural setting, two standardized afternoon snacks that included, among other things, 100 g of chocolate presented once as a whole (one bar) and once segmented (six pieces). The amount of chocolate eaten was weighed and compared between conditions (Bar vs Pieces). Children completed questionnaires in order to assess two of their eating motivational features (appetite arousal, chocolate specific appetite). Results indicated no effect of Partition: children ate the same quantity of chocolate in the two conditions (Bar or Pieces). Only chocolate specific appetite was associated with the amount of chocolate eaten, with children with a higher level eating more than other children (+13 g). Contrary to adults, children are not influenced by the "many is more effect". Methodological and developmental interpretations were suggested, linked to the size of the portion, the network of attention and the sensibility to the external cues underlying the control of intake.

Soc Sci Med ; 228: 111-116, 2019 05.
Artigo em Inglês | MEDLINE | ID: mdl-30909154


During childhood, the amount of food consumed, associated with adiposity and overweight risk, depends mainly on the amount of food that is served, especially by parents. This study focuses on the food amount served by parents ("Portion"), with two objectives: 1/to confirm (or not) its link with the food amount eaten ("Intake") by their child; 2/to identify some of its correlates, i.e., maternal education, and child's appetite arousal. Five hundred and three French children aged between 8 and 11 years and one of their parents completed different self-administrated questionnaires online. Results indicated that Portion and Intake were highly correlated, and that mothers with lower levels of education gave larger portions to their child, especially if he/she had a high appetite arousal. Moreover, these mothers, compared to others, were more concerned by taste preferences and less by health with regard to their child's diet. Such differences in taste and health considerations may contribute to underlie the educational inequality in food portion size.

Appetite ; 123: 82-90, 2018 04 01.
Artigo em Inglês | MEDLINE | ID: mdl-29229411


The links between parental restriction of food intake, child's eating behaviour and child's adiposity are still unclear. Our aim was to validate a model suggesting an underlying mechanism for the impact of parental restriction on child's adiposity through a broad dimension of child's eating temperament entitled the appetite reactivity (including both appetite arousal and appetite persistence). Using an online questionnaire administered at home to children aged between 8 and 11 years (N = 414) with one or both of their parents, we measured: based on child's reports, the perceived maternal restriction of child's food intake, the appetite reactivity and both the desired and the eaten mean food portion sizes; based on parental reports, the mean food portion size given to the child and the child's BMI. Structural equation modelling was used to test a model linking measured variables. A well-fitting structural model (AGFI = 0.91; RMSEA = 0.07; SRMR = 0.08) was identified, showing that: (i) perceived maternal restriction of child's food intake negatively impacts child's appetite arousal and food portion size but positively influences child's appetite persistence; (ii) the two components of appetite reactivity have a positive effect on child's adiposity which is partly mediated by child's actual food portion size. Results suggest an explanation for the controversy surrounding the links between parental food restriction and child's adiposity: through its negative impact on child's appetite arousal and food portion size, parental control may protect against overweight, but because of its positive effect on appetite persistence, it can also be detrimental.

Sobrepeso/psicologia , Relações Pais-Filho , Adiposidade , Apetite , Índice de Massa Corporal , Peso Corporal , Criança , Estudos Transversais , Ingestão de Alimentos/psicologia , Feminino , Humanos , Masculino , Obesidade Pediátrica/psicologia , Tamanho da Porção/psicologia , Reprodutibilidade dos Testes , Fatores de Risco , Fatores Socioeconômicos , Inquéritos e Questionários