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RELATIONSHIP BETWEEN ALCOHOL CONSUMPTION, BMI, AND WEIGHT PERCEPTION IN WOMEN AGED 20-29 YEARS By Andrea Renee Komm A Thesis Submitted to the Faculty of Mississippi State University in Partial Fulfillment of the Requirements for the Degree of Master of Science in Food Science, Nutrition, and Health Promotion with a concentration in Nutrition in the Department of Food Science, Nutrition, and Health Promotion Mississippi State, Mississippi May 2007 RELATIONSHIP BETWEEN ALCOHOL CONSUMPTION, BMI, AND WEIGHT PERCEPTION IN WOMEN AGED 20-29 YEARS By Andrea Renee Komm Approved: ____________________________ ___________________________ Brent J. Fountain William Mikel Assistant Professor of Nutrition Department Head of Food Science, (Major Professor, Committee Member) Nutrition, and Health Promotion (Graduate Coordinator, Committee Member) ____________________________ ___________________________ Chiquita Briley Vance H. Watson Assistant Professor of Nutrition Vice President of the Division (Committee Member) Agriculture, Forestry, and Veterinary Medicine Director of Mississippi Agriculture and Forestry Experiment Station Dean of the College of Agriculture and Life Sciences Name: Andrea Renee Komm Date of Degree: May 4, 2007 Institution: Mississippi State University Major Field: Nutrition Major Professor: Brent J. Fountain, PhD, RD, LD Title of Study: RELATIONSHIP BETWEEN ALCOHOL CONSUMPTION, BMI, AND WEIGHT PERCEPTION IN WOMEN AGED 20-29 YEARS Pages in Study: 38 Candidate for Degree of Master of Science Alcohol consumption and overweight in women are both becoming more prevalent in the United States. Data from NHANES 1999-2000 and 2001-2002 was collected consisting of non-pregnant women between the ages of 20 and 29 years. Variables measured were BMI, drinking occasions, drinking consumption per week, and women’s perception of their weight. Data was analyzed using chi-square in application to SUDAAN to test significance between variables. Results indicated a correlation between weight perception and drinking occasions per week (p-value 0.013). Nutrition implications suggested that individuals who were classified as overweight had more drinking occasions than individuals classified as underweight. TABLE OF CONTENTS Page LIST OF TABLES ........................................................................................................ iii CHAPTER I. INTRODUCTION………………………………………………………...............1 BIBLIOGRAPHY................................................................................................4 II. RELATIONSHIP BETWEEN ALCOHOL CONSUMPTION, BMI, AND WEIGHT PERCEPTION IN WOMEN AGED 20-29 YEARS .................5 Abstract ...............................................................................................................5 Demographics......................................................................................................5 Alcohol and its Affects on Nutrition and Health Status.......................................11 Alcohol and Personal Lives................................................................................16 Alcohol and Weight ...........................................................................................20 Methods.............................................................................................................24 Data Collection Procedures ........................................................................24 Variable List...............................................................................................28 Data Analysis .............................................................................................28 Results ...............................................................................................................29 Discussion..........................................................................................................33 BIBLIOGRAPHY..............................................................................................36 ii LIST OF TABLES TABLE PAGE 1 BMI Range of Women.......................................................................................30 2 Amount of Drinks Consumed per Day................................................................31 3 Number of Drinking Occasions per Week ..........................................................32 4 Results of Chi-Square Analysis of Drinks per Day with BMI Status and Weight Perception..............................................................................................32 5 Results of Chi-Square Analysis of Alcohol Occasions with BMI Status and Weight Perception .......................................................................................33 iii CHAPTER I INTRODUCTION Alcohol consumption has been connected to recreational social gathering for decades. After prohibition, alcohol has been viewed through movies, TV, magazines as an accepted individual and group pleasure. Alcohol not only has social ties but many people use it as a psychological and sociological escape which provides a euphoria or calming effect that reduces stress. However, for some the line between social drinking and addiction becomes distorted and the issue of alcoholism becomes apparent. The factors that influence the amount of alcohol consumed varies due to age, genetic make- up, income, educational level and health status regardless of gender. However among women, the effects of alcohol can lead to various degrees of health concerns such as increased risk of cancers, liver and cardiovascular diseases, brain damage and especially weight management issues (Schnohr, 2004). The 2005 Dietary Guidelines suggest 2 drinks (per day) for a male and one drink (per day) for women. This constitutes a 12-ounce beer, a 5 ounce glass of wine, or 1.5 ounces of an 80-proof glass of distilled spirit. One alcoholic drink is believed to have 12 grams of alcohol which can provide 144 calories in a regular beer, approximately 100 calories in 5 ounces wine, 96 calories in ½ ounces 80 proof liquor (www.health.gov). Alcohol content can vary among drinks in each category. For example, the alcohol 1 content of wines varies from 7% to 14% with certain varieties containing more alcohol. Dark beers contain more alcohol than light beers (2006). Alcohol consumption is measured in three categories: low, moderate, and heavy alcohol consumption. The Institute of Medicine’s (IOM) Committee on Diet and Health defines moderate drinking as less than one ounce of pure alcohol in a single day which is equivalent to two cans of beer, two small 3.5 ounce glasses of wine, or approximately two average cocktails (Anding 2001). Light drinkers consume less than 20 grams of alcohol per day, moderate drinkers get 15 to 25% of total calories from alcohol or approximately 20 to 60 grams per day, and heavy drinkers get more than 25% of their total calories per day from alcohol (Marsano 1993). Depending on the amount of alcohol that is consumed, alcohol can become a large contributor to overall caloric intake which may impact an individual’s BMI. Body Mass Index (BMI) was established in 1998 by the National Institute of Health (www.health.msn.com, 2005). BMI is, “a number calculated from a person’s weight and height.” BMI is calculated by weight (kg) divided by height (m)². BMI has been found to be an indicator of body fat and a way of classification of an individual’s weight. Individuals are classified as being either underweight (< 18.5), normal weight (18.5 to 24.9), overweight (25 to 29.9), or obese (30 and above) (www.cdc.gov, 2007). Alcohol consumption can have an effect on an individuals BMI status. Research has found that the energy in alcohol is not efficiently used. Alcohol has been found to increase an individual’s metabolic rate significantly. This can cause an individual’s metabolism to burn these alcohol calories rather than store them as fat (www.cdc.gov, 2007). 2 The purpose for examining past literature on alcohol consumption in women between 20 and 29 years of age, was to make individuals more aware of why women may drink, the risk factors, and nutritional implications with drinking alcohol. NHANES data was accessed to better show how much women are consuming, how often they are consuming alcohol, and if they are consuming alcohol due to their perceived body image. 3 BIBLIOGRAPHY (2006). Alcohol over time: Still under control? Harvard Women's Health Watch. 13: 3. Anding, J. D. S., Richard R.; Boss, Linda (2001). "Dietary intake, body mass index, exercise, and alcohol: Are college women following the Dietary Guidelines for Americans." Journal of American College Health 49: 5. Centers for Disease Control and Prevention [CDC], [website]. BMI - Body Mass Retrieved "January 24, 2007, from World Wide Web: http://www.cdc.gov/nccdphp/dnpa/bmi/ Marsano, L. (1993). "Alcohol and Malnutrition." Alcohol Health & Research World 17(4): 8. MSN Health & Fitness health.msn.com/dietfitness/articlepage.aspx?cp-documentid=100100526 Schnohr, C. L. H., Mette Riegels, Luise Ledet, Tine Larsen, Kirsten Schultz-Larsen, Liselotte Petersen, Eva Prescott, and Morten Gronbaeck (2004). "Does educational level influence the effects of smoking, alcohol, physical activity, and obesity on mortality? A prospective population study." Scandinavian Journal of Public Health 32: 7. 4 CHAPTER II RELATIONSHIP BETWEEN ALCOHOL CONSUMPTION, BMI, AND WEIGHT PERCEPTION IN WOMEN AGED 20-29 YEARS Abstract Alcohol consumption and overweight in women are both becoming more prevalent in the United States. Data from NHANES 1999-2000 and 2001-2002 was