Early life predictors of preschool overweight and obesity : a case–control study in Sri Lanka

Rathnayake, Kumari M., Satchithananthan, Aberna, Mahamithawa, Senarath, & Jayawardena, Ranil (2013) Early life predictors of preschool overweight and obesity : a case–control study in Sri Lanka. BMC Public Health, 13(994).

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Abstract

Background Childhood obesity increases the risk of obesity in adulthood and is associated with cardiovascular disease risk factors. Our aim was to assess the early life risk factors associated with overweight and obesity among preschool children.

Methods In this case–control study, from the 1087 preschool children measured, age, sex and ethnicity matched 71 cases and 71 controls were recruited. Cases and controls were defined according to the WHO 2006 growth standards. The birth and growth characteristics were extracted from the child health development records. Infant feeding practices and maternal factors were obtained from the mother. Rapid weight gain was defined as an increase in weight-for-age Z score (WHO standards) above 0.67 SD from birth to 2 years. The magnitude and significant difference in mean values of the variables associated with overweight and obesity were evaluated using logistic regressions and paired t-test, respectively.

Results Cases had significantly shorter duration (months) of breastfeeding (19.4, 24.6, p = 0.003), and smaller duration (months) of exclusive breastfeeding (3.7, 5.1, p = 0.001) compared to controls. Rapid weight gain (OR = 6.3, 95% CI = 2.04–19.49), first born status (OR = 3.6, 95% CI = 1.17-10.91) and pre-pregnancy obesity (OR = 4.0, 95% CI = 1.46-10.76) were positively associated with overweight and obesity. Breastfeeding more than 2 years (OR = 0.2, 95% CI = 0.06-0.57) was negatively associated with overweight and obesity.

Conclusion Rapid weight gain within first two years, first–born status and pre-pregnancy obesity of the mother contributed for preschool obesity. Our results suggest that intervention may be indicated earlier in infancy and during the toddler and preschool years to tackle the increasing prevalence of obesity.

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ID Code: 64161
Item Type: Journal Article
Refereed: Yes
Keywords: Preschool, Overweight, Obesity, Rapid weight gain
DOI: 10.1186/1471-2458-13-994
ISSN: 1471-2458
Divisions: Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: © 2013 Rathnayake et al.; licensee BioMed Central Ltd.
Copyright Statement: This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Deposited On: 07 Nov 2013 07:05
Last Modified: 24 Nov 2016 17:11

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