Cite this article as: BMJ, doi: 12. 1136/bmj. 38470. 670903. E0 (published 20 May 2005)
Early on life risk factors for obesity in childhood: cohort study Ruben J Reilly, Julie Armstrong, Ahmad 3rd there’s r Dorosty, Pauline M Emmett, A Ness, I Rogers, Colin Steer, Andrea Sherriff for the Avon Longitudinal Study of Parents and Children Study Crew
Objective To recognize risk factors in early existence (up to three years of age) for overweight in kids in the United Kingdom.
Design and style Prospective cohort study.
Environment Avon longitudinal study of fogeys and kids, United Kingdom.
Members 8234 kids in cohort aged six years and a
subsample of 909 children (children in focus) with data on
additional early on growth related risk elements for unhealthy weight.
Main outcome measures Weight problems at age six years, defined as a
body mass index в‰Ґ 95th centile relative to guide data intended for the UK population in 1990.
Results Ten of 25 putative risk factors had been associated with a risk of weight problems in the last models: parent obesity (both
parents: adjusted odds ratio, 10. 44, 95% self confidence interval your five. 11 to 21. 32), very early on (by 43 months) human body mass index or adiposity rebound (15. 00, 5. 32 to 42. 30), more than ten hours spent watching television a week at age 3 years (1. 55, 1 . 13 to installment payments on your 12), catch-up growth (2. 60, 1 ) 09 to 6. 16), standard deviation report for weight at age almost eight months (3. 13, 1 ) 43 to 6. 85) and 18 months (2. 65, 1 . 25 to 5. 59); fat gain in initial year (1. 06, 1 . 02 to at least one. 10 every 100 g increase); beginning weight, per 100 g (1. 05, 1 . 03 to 1. 07); and brief ( < 10. a few hours) rest duration at 3 years (1. 45, 1 . 10 to at least one. 89).
Conclusion Eight elements in early existence are associated with an increased likelihood of obesity in childhood.
The Avon longitudinal study of fogeys and children is a longitudinal birth cohort study of the determinants of development, well being, and disease during child years and over and above. This research is described in detail somewhere else. 6 Quickly, 14 541 pregnant women with an anticipated date of delivery between April 1991 and
12 , 1992 had been enrolled; 13 971 of their children formed the original cohort. About 85-90% of qualified mothers required part in the study. Parents gave informed written consent for their kids to participate. Data have been collected by questionnaires accomplished by the father and mother, medical records, and biological samples. All of us randomly picked a subsample of children from
the last six months of recruitment (children in focus group), aged via 4 weeks to 5 years, and invited their parents to
bring them in for frequent physical examinations. From grow older 7
years onwards these examinations had been extended to the whole
An epidemic of childhood obesity has took place in recent years, beginning in the late 1980s in great britain. 1 It truly is of concern as a result of adverse outcomes in the short term and long term. one particular 2 The identification of risk elements is the key to prevention. a few Evidence on risk elements for the child years obesity is limited at present, some 5 even though awareness is usually increasing to get the importance in the environment in early life. Nearly all
recognised risk factors happen to be potential rather than confirmed. A scientific review identified that most past studies upon risk
factors for obesity were unable to adequately be the cause of
confounding factors (particularly socioeconomic status), five were largely cross sectional, were underpowered, 4 five and failed to investigate the result of a number of potential risk factors simultaneously. 4 your five We discovered and quantified risk elements for overweight at age six years in children who were taking part in the Avon
longitudinal examine of parents and children (ALSPAC). The study concerns a large contemporary cohort by which confounding
factors are staying considered and potential risk factors will be being examined simultaneously. To get the present research, we took into mind only risk factors maintained a priori ideas.
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