Please use this identifier to cite or link to this item: https://hdl.handle.net/10620/17873
Longitudinal Study: LSAC
Title: Healthcare costs of underweight, overweight and obesity: Australian population-based study.
Authors: Jansen, PW 
Nicholson, J 
Clifford, SA 
Lucas, N 
Jansen, P
Mensah, F 
Clifford, S 
Gold, L 
Wake, M 
Nicholson, JM 
Mensah, FK 
Issue Date: 8-Jun-2015
Pages: 1-Aug
1-8
Keywords: child
health services research
health-care cost
thinness
overweight
obesity
Abstract: Aim: Child health varies with body mass index (BMI), but it is unknown by what age or how much this attracts additional population health-care costs. We aimed to determine the (1) cross-sectional relationships between BMI and costs across the first decade of life and (2) in longitudinal analyses, whether costs increase with duration of underweight or obesity. Methods: Participants: Baby (n = 4230) and Kindergarten (n = 4543) cohorts in the nationally representative Longitudinal Study of Australian Children. Outcome: Medicare Benefits Scheme (including all general practitioner plus a large proportion of paediatrician visits) plus prescription medication costs to federal government from birth to sixth (Baby cohort) and fourth to tenth (Kindergarten cohort) birthdays. Predictor: biennial BMI measurements over the same period. Results: Among Australian children under 10 years of age, 5–6%were underweight, 11–18% overweight and 5–6% obese. Excess costs with low and high BMI became evident from age 4–5 years, with normal weight accruing the least, obesity the most, and underweight and overweight intermediate costs. Relative to overall between-child variation, these excess costs per child were very modest, with a maximum of $94 per year at age 4–5 years. Nonetheless, this projects to a substantial cost to government of approximately $13 million per annum for all Australian children aged less than 10 years. Conclusions: Substantial excess population costs provide further economic justification for promoting healthy body weight. However, obese children’s low individual excess health-care costs mean that effective treatments are likely to increase short-termcosts to the public health purse during childhood.
URL: http://dx.doi.org/10.1111/jpc.12932
Keywords: Health; Child Development; Health -- Obesity; Health -- Body size, BMI, Body image
Research collection: Journal Articles
Appears in Collections:Journal Articles

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