“Fat shaming” part of the obesity problem, not the solution

Unsurpringly, a recent study confirmed that discrimination against overweight and obese people does not help them to lose weight.

In fact, “fat shaming” had quite the opposite effect: those who reported experiencing weight discrimination gained more weight than those who did not.

fat-shaming kitty

Nothing good comes from fat shaming

The research, published in the September 2014 journal Obesity, contradicts the common perception that discrimination, or “fat shaming,” might encourage weight loss.

The study followed 2,944 UK adults over the course of four years. On average, after accounting for baseline differences, people who reported weight discrimination gained 0.95kg (about 2 pounds), whereas those who did not lost 0.71kg, a difference of 1.66kg (about 3-1/2 pounds).

“There is no justification for discriminating against people because of their weight,” says lead author Dr Sarah Jackson (University College London Epidemiology & Public Health). “Our results show that weight discrimination does not encourage weight loss, and suggest that it may even exacerbate weight gain.”

“Previous studies have found that people who experience discrimination report comfort eating,” Dr Jackson adds. “Stress responses to discrimination can increase appetite, particularly for unhealthy, energy-dense food. Weight discrimination has also been shown to make people feel less confident about taking part in physical activity, so they tend to avoid it.”

Senior author Professor Jane Wardle, director of the Cancer Research UK Health Behaviour Centre at UCL, says, “Our study clearly shows that weight discrimination is part of the obesity problem and not the solution. Weight bias has been documented not only among the general public but also among health professionals; and many obese patients report being treated disrespectfully by doctors because of their weight. Everyone, including doctors, should stop blaming and shaming people for their weight and offer support, and where appropriate, treatment.”

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The study process

The study asked people whether they experienced day-to-day discrimination that they attributed to their weight. Examples of discrimination include being treated disrespectfully, receiving poor service while shopping, and being harassed.

Because this was a population survey and not an experimental study, it cannot conclusively confirm that the positive association observed between discrimination and weight gain is causal. Discrimination was assessed two years after the initial weight measurements and two years before the final measurements, but all the analyses statistically controlled for initial weight and other potential influences.



The data are from the English Longitudinal Study of Aging, a study of adults aged 50 or older. Of the 2,944 eligible participants in the study, 5% reported weight discrimination. This ranged from less than 1% of those in the ‘normal weight’ category to 36% of those classified as “morbidly obese.” Men and women reported similar levels of weight discrimination.

Authors’ description of discrimination survey
Participants were asked how often they encounter five discriminatory situations:

In your day-to-day life, how often have any of the following things happened to you:

  1. you are treated with less respect or courtesy;
  2. you receive poorer service than other people in restaurants and stores;
  3. people act as if they think you are not clever;
  4. you are threatened or harassed;
  5. you receive poorer service or treatment than other people from doctors or hospitals.

Responses ranged from “never” to “almost every day.” Because data were highly skewed, with most participants reporting never experiencing discrimination, we dichotomised responses to indicate whether or not respondents had ever experienced discrimination in any domain (never vs all other options).

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Participants who reported discrimination in any of the situations were asked to indicate the reason(s) they attributed their experience to from a list of options including weight, age, gender, and race. We considered participants who attributed experiences of discrimination to their weight as cases of perceived weight discrimination.



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