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Professor Phillippa Diedrichs' Outputs (94)

A comic-based body image intervention for adolescents in semi-rural Indian schools: A randomised controlled trial (2025)
Journal Article

Adolescents in India experience body dissatisfaction and its associated adverse impacts on physical and mental health and gender equality. However, evidence-based interventions are scarce. Mental health interventions worldwide have traditionally reli... Read More about A comic-based body image intervention for adolescents in semi-rural Indian schools: A randomised controlled trial.

Understanding fitness professionals’ weight biases and uptake of weight-inclusive practices: Findings from a mixed-methods survey (2024)
Journal Article

Weight bias is highly prevalent in the fitness industry, posing significant challenges for fat people seeking to engage in health-promoting behaviours, such as physical activity. Despite small ideological shifts in the fitness industry towards more w... Read More about Understanding fitness professionals’ weight biases and uptake of weight-inclusive practices: Findings from a mixed-methods survey.

Cultural adaptation and validation of the Positive and Negative Affect Schedule for Children (PANAS-C) among Indonesian adolescents (2024)
Journal Article

Background
Although mental health issues among Indonesian adolescents are of growing concern, a psychometrically valid measure of affect in Indonesia to inform related research and prevention and treatment efforts does not exist.

Methods
The pre... Read More about Cultural adaptation and validation of the Positive and Negative Affect Schedule for Children (PANAS-C) among Indonesian adolescents.

Adaptation and validation of the Body Image Life Disengagement Questionnaire (BILD-Q) for use in Hindi among adolescents in semi-rural India (2024)
Journal Article

Body image concerns are prevalent among adolescents globally, including in urban and semi-rural India. These concerns have the potential to hinder adolescents' participation in everyday activities, thereby obstructing both social and academic develop... Read More about Adaptation and validation of the Body Image Life Disengagement Questionnaire (BILD-Q) for use in Hindi among adolescents in semi-rural India.

A systematic review of interventions that aim to reduce implicit and explicit weight biases among fitness professionals (2024)
Journal Article

Despite the high prevalence of weight bias among fitness professionals, few resources are currently available to educate fitness professionals about weight bias and no systematic review of weight bias interventions has been conducted among this popul... Read More about A systematic review of interventions that aim to reduce implicit and explicit weight biases among fitness professionals.

An exploration of having social media influencers deliver a first-line digital intervention to improve body image among adolescent girls: A qualitative study (2024)
Journal Article

Social media influencers are popular among adolescents and could offer a unique way to reach young people at scale with body image interventions. This study explored girls’ and influencers’ views on having influencers deliver body image interventions... Read More about An exploration of having social media influencers deliver a first-line digital intervention to improve body image among adolescent girls: A qualitative study.

The economic and social costs of body dissatisfaction and appearance-based discrimination in the United States (2024)
Journal Article

This study estimated the social and economic costs of body dissatisfaction and appearance-based discrimination (specifically, weight and skin-shade discrimination) in the United States (USA) in the 2019 calendar year. We used a prevalence-based appro... Read More about The economic and social costs of body dissatisfaction and appearance-based discrimination in the United States.

Translation and validation of the Body Esteem Scale in Adults and Adolescents among Indonesian adolescents (2024)
Journal Article

There is a need for a psychometrically robust body image measure to advance body image scholarship among Indonesian adolescents. This study aimed to validate a Bahasa Indonesia version of the Body Esteem Scale for Adults and Adolescents (BESAA). The... Read More about Translation and validation of the Body Esteem Scale in Adults and Adolescents among Indonesian adolescents.

A cognitive dissonance body image intervention ‘Free Being Me’ delivered by Guide leaders to adolescent Girl Guides in India: A pilot and acceptability trial (2023)
Journal Article

This pilot study assessed the acceptability and pre-post intervention effects of a cognitive dissonance-based body image intervention, Free Being Me, delivered by Guide leaders to adolescent girls in India. Girls aged 11–14 years (Mage = 12.6, N = 11... Read More about A cognitive dissonance body image intervention ‘Free Being Me’ delivered by Guide leaders to adolescent Girl Guides in India: A pilot and acceptability trial.

A systematic review and meta-analysis of interventions that target the intersection of body image and movement among girls and women (2023)
Journal Article

Body image concerns and disengagement from movement-based activities are intertwined and disproportionately higher among girls and women, relative to boys and men. This systematic review and meta-analysis examined interventions targeting the intersec... Read More about A systematic review and meta-analysis of interventions that target the intersection of body image and movement among girls and women.

A short-form drama series created for the digital media environment: A randomised controlled trial exploring effects on girls’ body satisfaction, acceptance of appearance diversity, and appearance-related internalised racism (2023)
Journal Article

‘Edutainment’ micro-interventions are a scalable public health strategy that can challenge media-related body image pressures and race- and weight- based stigma. This study evaluated the impact of viewing a brief, theoretically-informed, short-form d... Read More about A short-form drama series created for the digital media environment: A randomised controlled trial exploring effects on girls’ body satisfaction, acceptance of appearance diversity, and appearance-related internalised racism.

The co-creation, initial piloting, and protocol for a cluster randomised controlled trial of a coach-led positive body image intervention for girls in sport (2023)
Journal Article

Background: Globally, girls disengage from sports at an earlier age and higher rate than boys. This is, in part, due to the unique body image challenges that girls face, relative to their male peers. Existing intervention efforts that aim to reduce g... Read More about The co-creation, initial piloting, and protocol for a cluster randomised controlled trial of a coach-led positive body image intervention for girls in sport.

Body image among girls in Indonesia: Associations with disordered eating behaviors, life engagement, desire for cosmetic surgery and psychosocial influences (2023)
Journal Article

Body image is an important risk factor for mental and physical health during adolescence. Nonetheless, few studies have empirically investigated body image among girls in Southeast Asia. This cross-sectional study examined the prevalence of body este... Read More about Body image among girls in Indonesia: Associations with disordered eating behaviors, life engagement, desire for cosmetic surgery and psychosocial influences.

A six-country study of coaches’ perspectives of girls’ body image concerns in sport and intervention preferences: Template analysis of survey and focus group data (2023)
Journal Article

Coaches are a key influence of athletes’ body image, but often feel ill-equipped to address body image concerns and can perpetuate harmful body ideals. Limited research has investigated coaches’ attitudes and opinions and few effective resources are... Read More about A six-country study of coaches’ perspectives of girls’ body image concerns in sport and intervention preferences: Template analysis of survey and focus group data.

How can we help you? A global investigation into girls’ body image experiences in sport and intervention preferences (2023)
Journal Article

Existing interventions that target the intersection of girls’ body image and sports participation are marginally effective, which is, in part, due to methodological limitations pertaining to intervention development (i.e., not theoretically or stakeh... Read More about How can we help you? A global investigation into girls’ body image experiences in sport and intervention preferences.

Investigating the role of perceived ingroup and outgroup colourism on body image and wellbeing among Black, Asian, and other racialised/ethnic minority groups living in the UK (2023)
Journal Article

Colourism is a form of prejudice and discrimination based on skin shade, disadvantaging people of colour with darker skin. This study investigates the relationship between perceived colourism, body image, and psychological wellbeing, considering perc... Read More about Investigating the role of perceived ingroup and outgroup colourism on body image and wellbeing among Black, Asian, and other racialised/ethnic minority groups living in the UK.

Body confident coaching: A pilot randomized controlled trial evaluating the acceptability of a web-based body image intervention for coaches of adolescent girls (2023)
Journal Article

Coaches influence athletes’ body image, but often feel ill-equipped to address body image concerns and inadvertently perpetuate harmful body ideals. No evidence-based, empirically-tested body image intervention for coaches exists. This study evaluate... Read More about Body confident coaching: A pilot randomized controlled trial evaluating the acceptability of a web-based body image intervention for coaches of adolescent girls.