Modelling life trajectories of body-mass index:

Body-mass index (BMI) tends to follow a typical trajectory over the life-course of an individual, increasing in early life while decreasing after middle age. To be able to reflect these trends in the OECD Strategic Public Health Planning for Non-Communicable Diseases (SPHeP-NCDs) model, this paper a...

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Bibliographic Details
Main Author: Vuik, Sabine (Author)
Other Authors: Cecchini, Michele (Contributor)
Format: Electronic eBook
Language:English
Published: Paris OECD Publishing 2021
Series:OECD Health Working Papers no.132
Subjects:
Online Access:DE-862
DE-863
Summary:Body-mass index (BMI) tends to follow a typical trajectory over the life-course of an individual, increasing in early life while decreasing after middle age. To be able to reflect these trends in the OECD Strategic Public Health Planning for Non-Communicable Diseases (SPHeP-NCDs) model, this paper analyses longitudinal BMI data from 22 countries to build a mixed, autoregressive model predicting an individual's BMI based on their sex, age and previous BMI. The resulting model shows how young people are likely to see an increase in BMI year-on-year, even if they already have overweight or obesity. It also shows that that a healthy weight in childhood does not protect against future overweight, as BMI continues to increase well into adulthood even for children who start off with a healthy weight. The results of this analysis will be incorporated in the OECD SPHeP NCDs model, to better simulate the longer-term impact of interventions, in particular interventions targeting childhood obesity.
Physical Description:1 Online-Ressource (29 Seiten) 21 x 28cm.

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