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Overweight at age two years in a multi-ethnic cohort (ABCD study): the role of prenatal factors, birth outcomes and postnatal factors.
BMC Public Health. 2011 Aug 01; 11:611.BP

Abstract

BACKGROUND

Childhood overweight/obesity is a major public health problem worldwide which disproportionally affects specific ethnic groups. Little is known about whether such differences already exist at an early age and which factors contribute to these ethnic differences. Therefore, the present study assessed possible ethnic differences in overweight at age 2 years, and the potential explanatory role of prenatal factors, birth outcomes and postnatal factors.

METHODS

Data were derived from a multi-ethnic cohort in the Netherlands (the ABCD study). Weight and height data of 3,156 singleton infants at age 2 years were used. Five ethnic populations were distinguished: Dutch native (n = 1,718), African descent (n = 238), Turkish (n = 162), Moroccan (n = 245) and other non-Dutch (n = 793). Overweight status was defined by the International Obesity Task Force guidelines. The explanatory role of prenatal factors, birth outcomes and postnatal factors in ethnic disparities in overweight (including obesity) was assessed by logistic regression analysis.

RESULTS

Compared to the native Dutch (7.1%), prevalence of overweight was higher in the Turkish (19.8%) and Moroccan (16.7%) group, whereas the prevalence was not increased in the African descent (9.2%) and other non-Dutch (8.8%) group. Although maternal pre-pregnancy body mass index partly explained the ethnic differences, the odds ratio (OR) of being overweight remained higher in the Turkish (OR: 2.66; 95%CI: 1.56-4.53) and Moroccan (OR: 2.11; 95%CI: 1.31-3.38) groups after adjusting for prenatal factors. The remaining differences were largely accounted for by weight gain during the first 6 months of life (postnatal factor). Maternal height, birth weight and gender were independent predictors for overweight at age 2 years, but did not explain the ethnic differences.

CONCLUSION

Turkish and Moroccan children in the Netherlands have 2- to 3-fold higher odds for being overweight at age 2 years, which is largely attributed to maternal pre-pregnancy BMI and weight gain during the first 6 months of life. Further study on the underlying factors of this early weight gain is required to tackle ethnic differences in overweight among these children.

Authors+Show Affiliations

Department of Public Health, Academic Medical Centre, University of Amsterdam, Amsterdam, the Netherlands. m.l.dehoog@amc.uva.nlNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

21806791

Citation

de Hoog, Marieke L A., et al. "Overweight at Age Two Years in a Multi-ethnic Cohort (ABCD Study): the Role of Prenatal Factors, Birth Outcomes and Postnatal Factors." BMC Public Health, vol. 11, 2011, p. 611.
de Hoog ML, van Eijsden M, Stronks K, et al. Overweight at age two years in a multi-ethnic cohort (ABCD study): the role of prenatal factors, birth outcomes and postnatal factors. BMC Public Health. 2011;11:611.
de Hoog, M. L., van Eijsden, M., Stronks, K., Gemke, R. J., & Vrijkotte, T. G. (2011). Overweight at age two years in a multi-ethnic cohort (ABCD study): the role of prenatal factors, birth outcomes and postnatal factors. BMC Public Health, 11, 611. https://doi.org/10.1186/1471-2458-11-611
de Hoog ML, et al. Overweight at Age Two Years in a Multi-ethnic Cohort (ABCD Study): the Role of Prenatal Factors, Birth Outcomes and Postnatal Factors. BMC Public Health. 2011 Aug 1;11:611. PubMed PMID: 21806791.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Overweight at age two years in a multi-ethnic cohort (ABCD study): the role of prenatal factors, birth outcomes and postnatal factors. AU - de Hoog,Marieke L A, AU - van Eijsden,Manon, AU - Stronks,Karien, AU - Gemke,Reinoud J B J, AU - Vrijkotte,Tanja G M, Y1 - 2011/08/01/ PY - 2010/12/20/received PY - 2011/08/01/accepted PY - 2011/8/3/entrez PY - 2011/8/3/pubmed PY - 2011/10/28/medline SP - 611 EP - 611 JF - BMC public health JO - BMC Public Health VL - 11 N2 - BACKGROUND: Childhood overweight/obesity is a major public health problem worldwide which disproportionally affects specific ethnic groups. Little is known about whether such differences already exist at an early age and which factors contribute to these ethnic differences. Therefore, the present study assessed possible ethnic differences in overweight at age 2 years, and the potential explanatory role of prenatal factors, birth outcomes and postnatal factors. METHODS: Data were derived from a multi-ethnic cohort in the Netherlands (the ABCD study). Weight and height data of 3,156 singleton infants at age 2 years were used. Five ethnic populations were distinguished: Dutch native (n = 1,718), African descent (n = 238), Turkish (n = 162), Moroccan (n = 245) and other non-Dutch (n = 793). Overweight status was defined by the International Obesity Task Force guidelines. The explanatory role of prenatal factors, birth outcomes and postnatal factors in ethnic disparities in overweight (including obesity) was assessed by logistic regression analysis. RESULTS: Compared to the native Dutch (7.1%), prevalence of overweight was higher in the Turkish (19.8%) and Moroccan (16.7%) group, whereas the prevalence was not increased in the African descent (9.2%) and other non-Dutch (8.8%) group. Although maternal pre-pregnancy body mass index partly explained the ethnic differences, the odds ratio (OR) of being overweight remained higher in the Turkish (OR: 2.66; 95%CI: 1.56-4.53) and Moroccan (OR: 2.11; 95%CI: 1.31-3.38) groups after adjusting for prenatal factors. The remaining differences were largely accounted for by weight gain during the first 6 months of life (postnatal factor). Maternal height, birth weight and gender were independent predictors for overweight at age 2 years, but did not explain the ethnic differences. CONCLUSION: Turkish and Moroccan children in the Netherlands have 2- to 3-fold higher odds for being overweight at age 2 years, which is largely attributed to maternal pre-pregnancy BMI and weight gain during the first 6 months of life. Further study on the underlying factors of this early weight gain is required to tackle ethnic differences in overweight among these children. SN - 1471-2458 UR - https://www.unboundmedicine.com/medline/citation/21806791/Overweight_at_age_two_years_in_a_multi_ethnic_cohort__ABCD_study_:_the_role_of_prenatal_factors_birth_outcomes_and_postnatal_factors_ L2 - https://bmcpublichealth.biomedcentral.com/articles/10.1186/1471-2458-11-611 DB - PRIME DP - Unbound Medicine ER -