Comparison of three lifecourse models of poverty in predicting cardiovascular disease risk in youth

Abstract Objective Childhood poverty heightens the risk of adulthood cardiovascular disease (CVD), but the underlying pathways are poorly understood. Three lifecourse models have been proposed but have never been tested among youth. We assessed the longitudinal association of childhood poverty with...

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Bibliographic Details
Published in:Annals of epidemiology 2013-08, Vol.23 (8), p.485-491
Main Authors: Kakinami, Lisa, PhD, Séguin, Louise, MD, MPH, Lambert, Marie, MD, Gauvin, Lise, PhD, Nikiema, Béatrice, MD, MSc, Paradis, Gilles, MD
Format: Article
Language:English
Subjects:
Cardiovascular disease risk
Cardiovascular Diseases - etiology
Child
Child, Preschool
Forecasting
Humans
Infant
Internal Medicine
Lifecourse models
Longitudinal
Longitudinal Studies
Low income
Models, Theoretical
Poverty
Quebec
Risk Assessment
Youth
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Summary:Abstract Objective Childhood poverty heightens the risk of adulthood cardiovascular disease (CVD), but the underlying pathways are poorly understood. Three lifecourse models have been proposed but have never been tested among youth. We assessed the longitudinal association of childhood poverty with CVD risk factors in 10-year-old youth according to the timing, accumulation, and mobility models. Methods The Québec Longitudinal Study of Child Development birth cohort was established in 1998 (n = 2120). Poverty was defined as annual income below the low-income thresholds defined by Statistics Canada. Multiple imputation was used for missing data. Multivariable linear regression models adjusted for gender, pubertal stage, parental education, maternal age, whether the household was a single parent household, whether the child was overweight or obese, the child's physical activity in the past week, and family history. Results Approximately 40% experienced poverty at least once, 16% throughout childhood, and 25% intermittently. Poverty was associated with significantly elevated triglycerides and insulin according to the timing and accumulation models, although the timing model was superior for predicting insulin and the accumulation model was superior for predicting triglycerides. Conclusions Early and prolonged exposure to poverty significantly increases CVD risk among 10-year-old youth.
ISSN:1047-2797
1873-2585
DOI:10.1016/j.annepidem.2013.05.012