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Updated: Jan 6, 2026

Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design
Published on: May 31, 2021
Peer influence and body dissatisfaction in adults
Marie Pike1, Eric J Tan2,3,4, Stephanie Miles1,5,6
1Department of Psychological Sciences, Swinburne University of Technology, Melbourne, VIC, Australia.
Peer influence significantly contributes to adult body dissatisfaction, but susceptibility to this influence does not strengthen the association. Understanding these dynamics is crucial for adult mental well-being.
Area of Science:
- Psychology
- Sociology
- Health Sciences
Background:
- Adolescent research extensively covers peer influence on body image.
- Limited studies explore this relationship in adult populations.
- Adult body dissatisfaction is a growing public health concern.
Purpose of the Study:
- To examine the link between peer influence and body dissatisfaction in adults.
- To determine if susceptibility to peer influence moderates this relationship.
Main Methods:
- 179 adults completed an online survey.
- Multiple hierarchical regression analysis was employed.
- Data focused on peer interactions regarding appearance, weight, and shape.
Main Results:
- Peer influence was significantly associated with body dissatisfaction.
- Susceptibility to peer influence did not significantly strengthen the relationship.
- Exposure and engagement with peers on appearance topics were key factors.
Conclusions:
- Peer influence is a direct contributor to adult body dissatisfaction.
- Individual susceptibility may not amplify this effect in all contexts.
- Educational interventions for adults on appearance-related peer discussions are warranted.
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