Research Article
Associations of Body Mass Index with Sexual Risk-Taking and Injection Drug Use among US High School Students
Table 1
Prevalence of BMI categories and HIV/STD-related risk behaviors, by sex among high school students, United States, 2005–2011.
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BMI: body mass index = weight [kg]/height [m]2 (based on self-reported height and weight, using age- and sex-specific percentiles from growth charts developed by Centers for Disease Control and Prevention); normal = 5th percentile ≤ BMI < 85th percentile; underweight = BMI < 5th percentile; overweight = 85th percentile ≤ BMI < 95th percentile; and obese = BMI ≥ 95th percentile. HIV: human immunodeficiency virus. STD: sexually transmitted disease. CI: confidence interval. aEver had sexual intercourse. bHad sexual intercourse during the 3 months before the survey. cHad sexual intercourse with four or more persons during their lifetime (among students who were currently sexually active). dDid not use a condom during last sexual intercourse (among students who were currently sexually active). eEver used a needle to inject any illegal drug into their body (among students who were currently sexually active). |