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Obesity risk in rural, urban and rural-to-urban migrants: prospective results of the PERU MIGRANT study

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dc.contributor.author Carrillo Larco, Rodrigo Martín
dc.contributor.author Bernabé Ortiz, Antonio
dc.contributor.author Pillay, T. D.
dc.contributor.author Gilman, Robert Hugh
dc.contributor.author Sanchez, J. F.
dc.contributor.author Poterico, J. A.
dc.contributor.author Quispe, R.
dc.contributor.author Smeeth, L.
dc.contributor.author Miranda, J. Jaime
dc.date.accessioned 2019-02-06T14:52:37Z
dc.date.available 2019-02-06T14:52:37Z
dc.date.issued 2015
dc.identifier.uri https://hdl.handle.net/20.500.12866/5331
dc.description.abstract BACKGROUND: Although migration and urbanization have been linked with higher obesity rates, especially in low-resource settings, prospective information about the magnitude of these effects is lacking. We estimated the risk of obesity and central obesity among rural subjects, rural-to-urban migrants and urban subjects. METHODS: Prospective data from the PERU MIGRANT Study were analyzed. Baseline data were collected in 2007-2008 and participants re-contacted in 2012-2013. At follow-up, outcomes were obesity and central obesity measured by body mass index and waist circumference. At baseline, the primary exposure was demographic group: rural, rural-to-urban migrant and urban. Other exposures included an assets index and educational attainment. Cumulative incidence, incidence ratio (IR) and 95% confidence intervals (95% CI) for obesity and central obesity were estimated with Poisson regression models. RESULTS: At baseline, mean age (+/-s.d.) was 47.9 (+/-12.0) years, and 53.0% were females. Rural subjects comprised 20.2% of the total sample, whereas 59.7% were rural-to-urban migrants and 20.1% were urban dwellers. A total of 3598 and 2174 person-years were analyzed for obesity and central obesity outcomes, respectively. At baseline, the prevalence of obesity and central obesity was 20.0 and 52.5%. In multivariable models, migrant and urban groups had an 8- to 9.5-fold higher IR of obesity compared with the rural group (IR migrants=8.19, 95% CI=2.72-24.67; IR urban=9.51, 95% CI=2.74-33.01). For central obesity, there was a higher IR only among the migrant group (IR=1.95; 95% CI=1.22-3.13). Assets index was associated with a higher IR of central obesity (IR top versus bottom tertile 1.45, 95% CI=1.03-2.06). CONCLUSIONS: Peruvian urban individuals and rural-to-urban migrants show a higher incidence of obesity compared with their rural counterparts. Given the ongoing urbanization occurring in middle-income countries, the rapid development of increased obesity risk by rural-to-urban migrants suggests that measures to reduce obesity should be a priority for this group. en_US
dc.language.iso eng
dc.publisher Springer
dc.relation.ispartofseries International Journal of Obesity
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject Rural Population/trends en_US
dc.subject Urban Population/trends en_US
dc.subject Urbanization/trends en_US
dc.subject Body Mass Index en_US
dc.subject Cardiovascular Diseases/epidemiology/prevention & control en_US
dc.subject Educational Status en_US
dc.subject Female en_US
dc.subject Follow-Up Studies en_US
dc.subject Health Priorities en_US
dc.subject Humans en_US
dc.subject Male en_US
dc.subject Middle Aged en_US
dc.subject Obesity, Abdominal/complications/epidemiology en_US
dc.subject Obesity/complications/epidemiology/prevention & control en_US
dc.subject Peru/epidemiology en_US
dc.subject Poisson Distribution en_US
dc.subject Prevalence en_US
dc.subject Prospective Studies en_US
dc.subject Risk Factors en_US
dc.subject Socioeconomic Factors en_US
dc.subject Transients and Migrants/statistics & numerical data en_US
dc.title Obesity risk in rural, urban and rural-to-urban migrants: prospective results of the PERU MIGRANT study en_US
dc.type info:eu-repo/semantics/article
dc.identifier.doi https://doi.org/10.1038/ijo.2015.140
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#3.02.18
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#3.03.04
dc.relation.issn 1476-5497


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