Higher Rates of Disordered Eating Behaviors in Sexual Minority Youth

by Julia Samuel on  July 22, 2016 at 5:12 PM Research News
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Gay and lesbians are more likely to purge or take laxatives, use diet pills, or fast to lose weight than their straight peers, and those disordered eating trends may not be improving, according to new research from the University of British Columbia.
Higher Rates of Disordered Eating Behaviors in Sexual Minority Youth
Higher Rates of Disordered Eating Behaviors in Sexual Minority Youth

The study, which analyzed data from youth ages 12 to 18, found disparities in the rate of these behaviours between sexual minority teens and heterosexual youth. Although disordered eating behaviours appear to be declining for straight teens, the gap between them and sexual minority teens remains. For lesbian and bisexual girls, the gap appears to be widening.

"While it's promising to see improvements in the rate of disordered eating behaviours among heterosexual youth, we cannot say there has been any definite reduction of these behaviours for sexual minority youth," said Ryan Watson, the study's lead author and a postdoctoral research fellow in UBC's Stigma and Resilience Among Vulnerable Youth Centre in the School of Nursing. "For lesbian and bisexual girls, the rate of disordered eating behaviours is actually increasing, which is alarming."

Researchers analyzed data gathered from surveys administered every two years at public high schools in Massachusetts between 1999 and 2013. Students were asked about their sexual orientation, whether they used diet pills, refrained from eating for 24 hours or more, or vomited or took laxatives to lose or keep from gaining weight in the last month.

The researchers found that, in 2013, lesbians were twice as likely to report purging and fasting for weight control than they were in 1999. For bisexual girls, the prevalence of purging (33 percent) was higher than for lesbians (22 percent) in 1999, but it stayed nearly the same in 2013 (30 percent), while it increased for lesbian girls (36 percent). In contrast, among heterosexual girls, eight percent reported purging in 1999, which declined to five per cent by 2013. Heterosexual boys had the lowest rates of these behaviours, and they declined even further over the years.

UBC nursing professor Elizabeth Saewyc, the study's senior author, said the findings suggest that the factors that put lesbian, gay and bisexual youth at higher risk for eating disorders have not improved.

"The factors that lead to disordered eating behaviours are complex," said Saewyc. "This study suggests that we need to figure out to how to better support sexual minority youth, especially lesbian and bisexual girls, in developing positive body image and healthy eating choices."

Source: Newswise

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