title: Early adolescent Body Mass Index and the constructed environment.
abstract: Previous research has shown that macro-level environmental features such as access to walking trails and recreational facilities are correlated with adolescent weight. Additionally, a handful of studies have documented relationships between micro-level environmental features, such as the presence (or absence) of a television in the bedroom, and adolescent weight. In this exploratory study we focus exclusively on features of the micro-level environment by examining objects that are found within adolescent personal bedrooms in relation to the adolescent occupant's Body Mass Index score (BMI). Participants were 234 early adolescents (eighth graders and ninth graders) who lived with both biological parents and who had their own private bedroom. Discriminant analyses were used to identify the bedrooms belonging to adolescents with below and above average BMI using objects contained within the micro-level environment as discriminating variables. Bedrooms belonging to adolescents with above average BMI were more likely to contain objects associated with sedentary behavior (e.g., magazines, electronic games, dolls), whereas the bedrooms belonging to the average and below average BMI adolescents were more likely to contain objects that reflect past physical activity (e.g., trophies, souvenirs, pictures of places that they had visited). If causal connections between micro-environmental variables and adolescent BMI can be established in future longitudinal research, environmental manipulations may affect adolescent BMI.
authors.affiliation: Family, Consumer, and Human Development, UMC 2905, Utah State University, Logan, UT 84322, United States. Electronic address: r.jones@usu.edu.
authors.forename: Randall M
authors.initials: RM
authors.lastname: Jones
authors.affiliation: Department of Health and Human Development, Montana State University, P.O. Box 173540, Bozeman, MT 59717-3540, United States. Electronic address: mitch.v@aggiemail.usu.edu.
authors.forename: J Mitchell
authors.initials: JM
authors.lastname: Vaterlaus
mesh_terms: D000293:Adolescent; D015992:Body Mass Index; D004777:Environment; D005260:Female; D006794:Household Articles / Q000706:statistics & numerical data; D006798:Housing / Q000706:statistics & numerical data*; D006801:Humans; D007374:Interior Design and Furnishings / Q000706:statistics & numerical data; D008297:Male; D009765:Obesity / Q000453:epidemiology; D050177:Overweight / Q000453:epidemiology; D010988:Play and Playthings; D057185:Sedentary Behavior; D011795:Surveys and Questionnaires; D013690:Television / Q000706:statistics & numerical data
keywords: Active niche-building; Adolescent obesity; Body mass; Constructed environment; Personal possessions