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Binge eating

People of a higher weight status more likely to binge eat

People reporting body dissatisfaction were 2.6 times as likely to binge eat as those not reporting body dissatisfaction

Binge eating is prevalent across socioeconomic status (SES) groups in the US and is linked to depressed mood, anxiety and obesity. A new study led by the University of Minnesota School of Public Health, explore the impact of several risk factors for binge eating among youth from different socioeconomic groups has reported that those at higher weight status were 3.2 times as likely to binge eat as those of healthy weight.

Professor Dianne Neumark-Sztainer co-authored the study, 'Differences in risk factors for binge eating by socioeconomic status in a community‐based sample of adolescents: Findings from Project EAT', published in The International Journal of Eating Disorders, which used data from her long-running Project EAT that examines the eating and health behaviours of thousands of adolescents as they mature into adulthood.

"Project EAT allows us to examine many aspects of eating and weight over critical periods of the life course and among young people from varied backgrounds," said Neumark-Sztainer. "The current study points to a need to address disordered eating behaviors, particularly binge eating, among populations from low-income backgrounds."

For the study, the research team reviewed surveys from 2,179 individuals involved in Project EAT during early/middle adolescence and five years later during late adolescence/emerging adulthood. The SES of their family was based on their parent's highest educational level, employment status, and other related variables—including family eligibility for public assistance or free or reduced‐cost school meals.

The study found that among high-SES adolescents:

  • those at higher weight status were 3.2 times as likely to binge eat as those of healthy weight;
  • people reporting body dissatisfaction were 2.6 times as likely to binge eat as those not reporting body dissatisfaction;
  • people who reported dieting were 4.0 times as likely to binge eat as those who did not diet;
  • people who experienced family weight-related teasing were 2.3 times as likely to binge eat as those who were not teased.

Among adolescents from low-SES backgrounds:

  • those at higher weight status were 1.5 times as likely to binge eat as those of healthy weight;
  • people reporting dieting were 2.2 times as likely to binge eat as those who did not diet;
  • people who reported instances of food insecurity - routinely lacking a predictable, sufficient amount of food to eat - were 1.4 times as likely to binge eat as those who regularly have enough food to eat.

"There are a lot of implications for providers who might see adolescents from lower-income communities," said Caroline West, a PhD student at Kent State University who led the study. "While it's still important to provide them with typical care and resources for treating binge eating, it's also important to address issues, such as food insecurity, that might be salient in that population by connecting patients with food assistance programmes, such as SNAP or WIC."

As for those from a higher-SES background, West said it is important to target body dissatisfaction among adolescents in that group as well as dieting behaviours in all socioeconomic populations.

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