Document Detail


Infant growth during the first year of life and subsequent hospitalization to 8 years of age.
MedLine Citation:
PMID:  20220525     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: There is accumulating evidence that rapid infant growth is associated with subsequent metabolic risk, but less investigation of potential benefits. We tested the life history trade-off hypothesis that rapid infant growth is associated with lower risk of serious childhood morbidity (in particular, infection) proxied by hospital admission. METHODS: We studied term births (n = 7833, 94% follow-up) from a Chinese birth cohort, "Children of 1997," comprising 88% of births in Hong Kong in April and May 1997. We used multivariable negative binomial regression to examine the association of growth trajectory (5 categories) from birth to 12 months with subsequent hospital admissions until the child's 8th birthday. Potential confounders included sex, gestational age, parental education, type of birth hospital, infant feeding, and the presence of congenital disease. RESULTS: Infants with the slowest growth trajectory (smallest birth weight and slowest weight gain) were more likely to be hospitalized between 1 and 8 years of age-particularly for noninfectious illnesses. Infants in the 4 faster growth trajectories differed little in their risk of hospitalization. Adjusted incident rate ratios of hospitalization for infectious diseases were 0.93 (95% confidence interval = 0.81-1.06), 0.97 (0.85-1.12), 0.91 (0.78-1.06), and 0.92 (0.79-1.08) for the 4 faster growth trajectories compared with the slowest. Results were similar when growth was assessed as change in weight-for-age z-score. CONCLUSION: Fast infant growth does not protect against serious infectious morbidity, but low birth weight infants born with slow growth are more vulnerable to serious morbidity, either as a consequence of poor growth or as a parallel marker of underlying health state. Whether maximum growth rates are ideal should be considered, as should the effects of infant over-nutrition.
Authors:
L L Hui; C Mary Schooling; M Y Wong; L M Ho; T H Lam; Gabriel M Leung
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Epidemiology (Cambridge, Mass.)     Volume:  21     ISSN:  1531-5487     ISO Abbreviation:  Epidemiology     Publication Date:  2010 May 
Date Detail:
Created Date:  2010-04-14     Completed Date:  2010-07-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9009644     Medline TA:  Epidemiology     Country:  United States    
Other Details:
Languages:  eng     Pagination:  332-9     Citation Subset:  IM    
Affiliation:
Department of Community Medicine and School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China.
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MeSH Terms
Descriptor/Qualifier:
Child
Child Development / physiology*
Child, Preschool
Cohort Studies
Female
Hong Kong
Hospitalization* / statistics & numerical data
Humans
Infant
Infant, Newborn
Infection
Male
Medical Audit
Regression Analysis
Retrospective Studies

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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