Abstract/Details

Understanding the association between psychosocial stress and the various components of the metabolic syndrome in African American and white adolescents, ages 18–19 years


2005 2005

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Abstract (summary)

Interest in the metabolic syndrome has been dramatic in recent years. Individuals with the metabolic syndrome have an increased risk of developing diabetes and cardiovascular disease. Cardiovascular disease is the leading cause of death, with a disproportionately higher rate in African Americans and those of lower socioeconomic status (SES). The existence of health disparities may be partially explained by the differential exposure to stress that low SES people face, which leaves them vulnerable to disease. Psychosocial stress has been implicated in playing a role in the development of the metabolic syndrome. Excessive stress can dysregulate the stress system (via the sympathetic-adrenal-medullary pathway [SAM] and the hypothalamic-pituitary-adrenal axis [HPA]) which may lead to insulin resistance and visceral adiposity, which are key underlying features of the metabolic syndrome.

The effect of stress during youth as a precursor to metabolic disturbances and chronic diseases later in life has not been well examined. This cross-sectional study explored the association of perceived stress with race, SES, and the various components of the metabolic syndrome, using the Berkeley site of the National Growth and Health Study which included n = 369 healthy, non-pregnant African American and white adolescent females, ages 18--19 years. Stress was assessed using the Perceived Stress Scale.

The overall prevalence of overweight/obesity was 38%, with a two-fold higher prevalence of obesity among the African American adolescents (27.7%) compared to the white adolescents (12.3%). Unadjusted analyses indicated that the obese adolescents had significantly higher stress (p=0.003) than the normal weight adolescents. Additionally, those with waist circumference >88cm had significantly higher stress (p=0.04) compared to those with waist circumference ≤88cm. By race, white adolescents had significantly higher perceived stress than the African American adolescents (p=0.01), after adjusting for parental education, total calories, physical activity, and BMI. Stress did not differ by SES. Stress was positively associated with triglycerides in the low calorie group (p=0.002), and with BMI (p=0.02) and waist circumference (p=0.02) in the low activity group.

Implications of this research reinforces the importance of policies and interventions in supporting community-wide stress prevention efforts, focused on improving physical activity, coping mechanisms, and social support for youth.

Indexing (details)


Subject
Public health;
African Americans;
Social psychology;
Metabolic syndrome;
Whites;
Teenagers
Classification
0573: Public health
0325: African Americans
Identifier / keyword
Health and environmental sciences; Social sciences; Adolescents; African-American; Metabolic syndrome; Obesity; Psychosocial stress; Socioeconomic status
Title
Understanding the association between psychosocial stress and the various components of the metabolic syndrome in African American and white adolescents, ages 18–19 years
Author
Yoshida, Sallie Chiye
Number of pages
141
Publication year
2005
Degree date
2005
School code
0028
Source
DAI-B 67/03, Dissertation Abstracts International
Place of publication
Ann Arbor
Country of publication
United States
ISBN
0542593459, 9780542593451
Advisor
Block, Gladys
University/institution
University of California, Berkeley
University location
United States -- California
Degree
Dr.P.H.
Source type
Dissertations & Theses
Language
English
Document type
Dissertation/Thesis
Dissertation/thesis number
3210489
ProQuest document ID
305033919
Copyright
Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works.
Document URL
http://search.proquest.com/docview/305033919
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