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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

How Parenting Behaviors Influence Weight and Health Status of African American Adolescents

Hourel, Natasha T. 01 January 2017 (has links)
There has been an upward trend in obesity among African American (AA) adolescents over the last 2 decades. While parenting characteristics (e.g., styles and practices) are linked to adolescent eating habits and weight status, related research has focused on European American children from 2-parent middle-class households or economically disadvantaged AA children from single mother households. The purpose of this quantitative secondary data analysis was to investigate the relationship between parenting characteristics on the weight status of adolescents aged 12 to 17 years (n = 325) among a broader population of AA mothers and fathers residing both inside and outside of the home. The social cognitive theory, widely used in obesity intervention research, was the framework used to explore parental behaviors that contribute to adolescent weight status and health. The National Longitudinal Survey of Youth 1997 was used to examine the relationship between parenting characteristics on adolescent weight status, as measured by body mass index (BMI) percentile. Statistical analysis included the Kruskal-Wallis Test, Mann-Whitney U, Spearman rho correlation, and hierarchical multiple regression. Results indicated no significant relationships between parenting characteristics and adolescent BMI percentiles as determined by Kruskal-Wallis and multiple regression analysis when controlled for sociodemographic variables. Study findings indicate that variables beyond parenting practices, such as urban/rural residence, must be considered to explain BMI and weight status among AA adolescents. Largely, this study increased knowledge on AA parenting characteristics and promotes education and social awareness of the continued weight epidemic that plagues AA children in the United States.
2

National and State Trends in BMI Percentile, Obesity, and Overweight Rates Among Youth using YRBSS Data

Morrell, Casey, Quinn, Megan A., Dula, Mark, Choksi, Charvi, Zheng, Shimin 06 April 2016 (has links)
Adolescent obesity is an area of growing public health concern. The Centers for Disease Control and Prevention conducts surveys through their Youth Risk Behavior Surveillance System (YRBSS) every two years to monitor a variety of health risk factors and behaviors among high school and middle school students. The YRBSS compiles information about obesity and BMI percentile, among many other factors. We accessed a combined dataset available on the YRBSS website which includes all data collected from high school students’ surveys from 1991 to 2013. Due to updating of questionnaires and adding of variables over the years, some variables only appear in the most recent years, limiting trend analysis to the timeframe in which the variable of interest was included. We analyzed the linear and quadratic trends in BMI percentile, obesity, and overweight rates in the national Youth Risk Behavior Survey (YRBS) from 1999 to 2013 and in the Tennessee YRBS from 2003 to 2013. Each variable was stratified by age and race to observe differences among groups. National trends show an increase in average BMI percentiles overall from 1999 to 2007, a decrease between 2007 and 2009, then another increase between 2009 and 2013. Tennessee trends show a dramatic increase in average BMI percentile overall from 2003 to 2007, then a decrease between 2007 and 2013. Since 2005, Tennessee has maintained a higher average BMI percentile (64.23, 66.37, 65.00, 64.96, 64.23) than the national average (63.47, 64.23, 62.81, 63.00, 63.51) for each recorded year, however, the decreasing trends in Tennessee and increasing trends in the nation have brought the average BMI percentiles of each to comparable rates. There is literature to support the variation of BMI among young, middle-aged, and elderly individuals. However, there is currently little evidence of differences in BMI percentiles, obesity, or overweight rates between different age groups of high school students. We expect to see little, if any, differences across different age groups of high school students in this study both nationally and at the state level. Racial and ethnic disparities exist for a variety of health conditions and outcomes. Many conditions, including obesity, disproportionately affect minority populations. We expect to see differences in BMI percentiles, obesity, and overweight rates across different races at both nationally and at the state level.

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