Prevalence and socioeconomic differences of risk factors of cardiovascular disease in Ecuadorian adolescents.
The aim of this paper is to report the prevalence of cardiovascular risk factors and socioeconomic differences in school-going Ecuadorian adolescents.
A cross-sectional study was performed from January 2008 until April 2009 in 770 adolescents aged 10 to 16 years old, who attend secondary schools in an urban (Cuenca), and rural area (Nabón) in Ecuador. Data collected for the overall sample included anthropometric variables (weight, height and waist circumference), blood pressure and socio-demographic characteristics. Fasting blood glucose and lipid profile determinations were collected in a subsample of 334 adolescents.
The most prevalent cardiovascular risk factors were dyslipidemia (34.2%), abdominal obesity (19.7%) and overweight (18.0%). The prevalence of the remaining cardiovascular risk factors were high levels of blood pressure (6.2%) and obesity (2.1%). Boys were 3.3 times (P < 0.001) more likely to have risk levels of blood pressure. Compared to their peers from lower socioeconomic groups, children from better off socioeconomic strata were 1.5 times (P = 0.048) more likely to be overweight/obese and 1.5 times (P = 0.046) more likely to have abdominal obesity. Overweight and obese children were 4.4 times more likely to have dyslipidemia (P < 0.001). Children living in the rural area were 2.8 times (P = 0.002) more likely to have dyslipidemia than those from the urban area.
Our results demonstrate the advanced levels of the nutrition transition in this Ecuadorian adolescent population. Primary health care should monitor and take actions to address this public health problem in adolescents.
Ochoa-Avilés A
，Andrade S
，Huynh T
，Verstraeten R
，Lachat C
，Rojas R
，Donoso S
，Manuel-y-Keenoy B
，Kolsteren P
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Prevalence of cardiometabolic risk factor clustering and body mass index in adolescents.
To establish prevalence of cardiometabolic risk factor clustering within US adolescent body mass index (BMI) groups.
Data were obtained from National Health and Nutrition Examination Survey participants (12-18 years, n = 2457) recruited from 2001-2002, 2003-2004, 2005-2006, and 2007-2008 surveys. Prevalence of risk factor clustering (≥2 risk factors: triglycerides; high-density lipoprotein cholesterol; systolic/diastolic blood pressure; fasting glucose) was determined within Centers for Disease Control-defined BMI groups (normal weight, <85(th) percentile; overweight, 85th to 94th percentile; obese, ≥95th percentile). Logistic regression examined associations of risk factor clustering within BMI groups for sex, race/ethnicity, income, household size, smoking, age, and BMI z-score.
Approximately 9%, 21%, and 35% of normal weight, overweight, and obese adolescents had risk factor clustering. Adolescents with risk factor clustering were less likely to be female (OR 95% CI: overweight, 0.33, 0.16-0.68; obese, 0.38, 0.18-0.78) and non-Hispanic black (normal weight, 0.31, 0.17-0.55; overweight, 0.22, 0.07-0.69; obese, 0.24, 0.12-0.50), but more likely to be a smoker (overweight: 4.32, 1.44-12.96), and have a higher BMI z-score (obese, 3.15, 1.29-7.68). Lower income was associated with risk factor clustering in overweight adolescents (0.28, 0.12-0.63), but a higher income was related to risk factor clustering in obese adolescents (1.90, 1.04-3.48).
The prevalence of risk factor clustering increases across adolescent BMI categories; however, associations with sex, race/ethnicity, income, smoking, and BMI vary across groups.
Camhi SM
，Katzmarzyk PT
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