Frequent self-weighing may cause depression in young women

Tuesday, Nov 10, 2015,14:14 IST By Metrovaartha A A A

Washington | Frequent self-weighing may increase weight concerns and depressive symptoms in young women while decreasing their self-esteem, a new study has found. Self-weighing can be a useful tool to help adults control their weight, but for adolescents and young adults this behaviour may have negative psychological outcomes.

Researchers tracked the self-weighing behaviours of more than 1,900 young adults as part of Project EAT (Eating and Activity in Teens and Young Adults) and found increases in self-weighing to be significantly related to increases in weight concern and depression and decreases in body satisfaction and self-esteem among females.

Females who strongly agreed they self-weighed reported engaging in extremely dangerous weight-control behaviours at a rate of 80 per cent, said lead author Carly R Pacanowski, from the University of Minnesota in US. Adolescent obesity is a public health concern, but body dissatisfaction and weight concerns are predictors of eating disorders, said Pacanowski.

This makes it critical that obesity-prevention programmes avoid exacerbating these predictors by understanding how behaviours such as self-weighing affect teens, said Pacanowski. Project EAT is a longitudinal cohort study that tracked 1,902 young adults (43 per cent male, 57 per cent female) over 10 years.

Researchers used participants’ descriptions of the prevalence of their self-weighing from the study to examine associations between self-weighing and changes in weight status, psychological variables, and behavioural outcomes. Self-weighing, ideal weight, weight concern, body satisfaction, self-esteem, and depressive symptoms were ranked by participants using a Likert scale; adolescents also reported their engagement in unhealthy and extreme unhealthy behaviours.

Researchers calculated body-mass index (BMI) for the participants as well. The researchers’ primary interest in this study was to understand how changes in self-weighing were related to changes in the other variables studied. Results indicated that females who reported increases in self-weighing over the 10-year period were expected to have increases in weight concern and depressive symptoms and decreases in body satisfaction and self-esteem.

As such, self-weighing may not be an innocuous behaviour and care should be taken when young adults report self-weighing, researchers said. Clinicians should ask adolescent patients about self-weighing at office visits to determine any benefits or negative outcomes, Pacanowski said. Noting changes in this behaviour over time can be helpful for investigating other, more concerning changes in well-being among young adults, Pacanowski said.

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