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Length of urban residence and obesity among within-country rural-to-urban Andean migrants

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dc.contributor.author Antiporta, Daniel A.
dc.contributor.author Smeeth, Liam
dc.contributor.author Gilman, Robert Hugh
dc.contributor.author Miranda, J. Jaime
dc.date.accessioned 2019-02-06T14:53:12Z
dc.date.available 2019-02-06T14:53:12Z
dc.date.issued 2015
dc.identifier.uri https://hdl.handle.net/20.500.12866/5408
dc.description.abstract OBJECTIVE: To evaluate the association between length of residence in an urban area and obesity among Peruvian rural-to-urban migrants. DESIGN: Cross-sectional database analysis of the migrant group from the PERU MIGRANT Study (2007). Exposure was length of urban residence, analysed as both a continuous (10-year units) and a categorical variable. Four skinfold site measurements (biceps, triceps, subscapular and suprailiac) were used to calculate body fat percentage and obesity (body fat percentage >25% males, >33% females). We used Poisson generalized linear models to estimate adjusted prevalence ratios and 95 % confidence intervals. Multicollinearity between age and length of urban residence was assessed using conditional numbers and correlation tests. SETTING: A peri-urban shantytown in the south of Lima, Peru. SUBJECTS: Rural-to-urban migrants (n 526) living in Lima. RESULTS: Multivariable analyses showed that for each 10-year unit increase in residence in an urban area, rural-to-urban migrants had, on average, a 12 % (95 % CI 6, 18 %) higher prevalence of obesity. This association was also present when length of urban residence was analysed in categories. Sensitivity analyses, conducted with non-migrant groups, showed no evidence of an association between 10-year age units and obesity in rural (P=0.159) or urban populations (P=0.078). High correlation and a large conditional number between age and length of urban residence were found, suggesting a strong collinearity between both variables. CONCLUSIONS: Longer lengths of urban residence are related to increased obesity in rural-to-urban migrant populations; therefore, interventions to prevent obesity in urban areas may benefit from targeting migrant groups. en_US
dc.language.iso eng
dc.publisher Cambridge University Press
dc.relation.ispartofseries Public Health Nutrition
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject Peru en_US
dc.subject Adolescent en_US
dc.subject Adult en_US
dc.subject Female en_US
dc.subject Humans en_US
dc.subject Male en_US
dc.subject Young Adult en_US
dc.subject Child en_US
dc.subject Child, Preschool en_US
dc.subject Infant en_US
dc.subject Sensitivity and Specificity en_US
dc.subject Time Factors en_US
dc.subject Cross-Sectional Studies en_US
dc.subject Aged en_US
dc.subject Middle Aged en_US
dc.subject Peru/epidemiology en_US
dc.subject Socioeconomic Factors en_US
dc.subject Prevalence en_US
dc.subject Linear Models en_US
dc.subject Transients and Migrants en_US
dc.subject Risk Factors en_US
dc.subject Multivariate Analysis en_US
dc.subject Obesity en_US
dc.subject Migration en_US
dc.subject Rural Population en_US
dc.subject Urban Population en_US
dc.subject Residence Characteristics en_US
dc.subject Obesity/epidemiology en_US
dc.subject Adipose Tissue/metabolism en_US
dc.subject Nutritional epidemiology en_US
dc.subject Rural-to-urban en_US
dc.subject Skinfold en_US
dc.title Length of urban residence and obesity among within-country rural-to-urban Andean migrants en_US
dc.type info:eu-repo/semantics/article
dc.identifier.doi https://doi.org/10.1017/S1368980015002578
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#3.03.05
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#3.03.04
dc.relation.issn 1475-2727


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