title: A comparison of weight-related behaviors among high school students who are homeless and non-homeless.
abstract: BACKGROUND
  Previous research has shown that youth who are homeless engage in high-risk behaviors. However, there has been little information published on nutritional and physical activity behaviors in this population, and studies comparing homeless youth in school with their non-homeless peers are scarce. This study compares weight-related risk behaviors of public high school students in Massachusetts based on homeless status.
  
  
  METHODS
  We obtained data from 3264 9th through 12th grade students who participated in the 2005 Massachusetts Youth Risk Behavior Survey. Multivariable logistic regression, controlling for gender, grade, race/ethnicity, and sexual orientation, was performed to assess the relationship between homeless status as defined by the McKinney-Vento Homeless Assistance Act and weight-related indicators. Analyses were weighted and adjusted for the multistage complex sampling design.
  
  
  RESULTS
  Of this sample, 4.2% reported being homeless (n = 152). Higher prevalence of homelessness was found among males, racial/ethnic minorities, sexual minorities, and students who were not in a traditional grade level. The distribution of body mass index was similar among students who were homeless and non-homeless (underweight 4.0 and 3.0%, and overweight 27.1 and 27.1%, respectively). Homeless students were more likely than non-homeless students to report disordered weight-control behaviors including fasting (aOR 2.5, 95% CI 1.4-4.5) and diet pill use (aOR 3.3, 95% CI 1.6-6.9).
  
  
  CONCLUSIONS
  More than 4% of public high school students in Massachusetts meet the federal definition of homelessness. These students are at high risk for disordered weight-control behaviors. Policy decisions at the school, state, and federal levels should make a concerted effort to target these students with social services and nutritional interventions.
authors.affiliation: Division of Adolescent Medicine, Children's Hospital Boston, 300 Longwood Avenue, Boston, MA 02115, USA. Mary.E.Fournier@gmail.com
authors.forename: Mary E
authors.initials: ME
authors.lastname: Fournier
authors.forename: S Bryn
authors.initials: SB
authors.lastname: Austin
authors.forename: Cathryn L
authors.initials: CL
authors.lastname: Samples
authors.forename: Carol S
authors.initials: CS
authors.lastname: Goodenow
authors.forename: Sarah A
authors.initials: SA
authors.lastname: Wylie
authors.forename: Heather L
authors.initials: HL
authors.lastname: Corliss
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior; D015992:Body Mass Index; D001835:Body Weight; D005247:Feeding Behavior; D005260:Female; D018453:Homeless Youth; D006801:Humans; D008297:Male; D008404:Massachusetts / Q000453:epidemiology; D009043:Motor Activity; D050177:Overweight / Q000453:epidemiology; D012309:Risk-Taking; D012725:Sexual Behavior; D013851:Thinness / Q000453:epidemiology