Journal
EUROPEAN JOURNAL OF NUTRITION
Volume 60, Issue 1, Pages 239-247Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00394-020-02238-9
Keywords
Eating behaviours; Appetite; BMI; Child; Longitudinal; Cross-lagged
Categories
Funding
- Epidemiology Research Unit (EPI-Unit) [UID-DTP/04750/2013, POCI-01-0145-FEDER-006862]
- Health Operational Programme - Saude XXI, Community Support Framework III
- Regional Department of Ministry of Health
- FEDER from the Operational Programme Factors of Competitiveness - COMPETE
- Foundation for Science and Technology - FCT (Portuguese Ministry of Education and Science) [POCI-01-0145-FEDER-030334, PTDC/SAU-EPI/30334/2017, IF/01350/2015]
- Calouste Gulbenkian Foundation
- Fundação para a Ciência e a Tecnologia [PTDC/SAU-EPI/30334/2017] Funding Source: FCT
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The study found that children's BMI at age 7 was related to appetitive behaviors at age 10, rather than the other way around. Children with a higher BMI in middle childhood are more likely to develop a strong appetite over time.
Purpose Appetitive behaviours have been associated with body mass index (BMI). However, existing data were largely derived from cross-sectional studies and cannot provide insight into the direction of associations. We aimed to explore the bidirectionality of these associations in school-age children. Methods Participants are from the Generation XXI birth cohort, assessed at both 7 and 10 years of age (n = 4264; twins excluded). The Children's Eating Behaviour Questionnaire (CEBQ) was used to measure appetitive behaviours (8 subscales). Anthropometrics were measured and WHO BMIz-score was calculated. Cross-lagged analyses were performed to compare the magnitude and direction of the associations (behaviours at 7 years to BMIz-score at 10 years and the reverse) (covariates: child's sex, physical exercise, maternal age and education; plus BMIz-score at age 7 or, in the reverse direction, the subscale score). Results In cross-lagged analyses, appetitive behaviours at 10 years of age (apart from emotional undereating) were shown to be reactive to the child BMIz-score at 7 years of age. Only slowness in eating was significantly related to subsequent BMI. However, the strongest association was from the child BMIz-score to the behaviour (beta(standardized) = - 0.028 compared with beta(standardized) = - 0.103, likelihood ratio testp < 0.001). Conclusions BMI at age 7 was related to appetitive behaviours at 10 years of age, rather than the reverse. This suggests that children with a higher BMI in middle childhood are at increased risk of developing an avid appetite over time.
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