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NCT Number: NCT06962917

Cross-Cultural Differences in the Network Structure of Social Anxiety and Body Dysmorphic Symptoms

This study will examine cross-cultural differences in the network structure of social anxiety and body dysmorphic symptoms across Germany, the United States, and Japan.

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Key information

Age range

18 year–55 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Department of Psychology

Marburg, Hesse, 35032, Germany

About this study

This study will investigate the network structure of social anxiety, body dysmorphic symptoms, depressive symptoms, and shame across Germany, the United States, and Japan. Social anxiety disorder and body dysmorphic disorder frequently co-occur and share several clinical features beyond fear of negative evaluation (Coles et al., 2006; Dietel et al., 2021; Fang et al., 2011). Both conditions have also been found to exhibit high comorbidity with major depressive disorder (Acarturk et al., 2008; Grant et al., 2005; Gunstad & Phillips, 2003; Phillips et al., 1998). Cognitive-behavioral therapy targeting social anxiety disorder or body dysmorphic disorder has been shown to significantly alleviate depressive symptoms (e.g., Enander et al., 2016; Noda et al., 2023; Ritter et al., 2023). Shame has also been implicated in the development of depressive symptoms, as well as social anxiety disorder and body dysmorphic disorder (Kim et al., 2011). Comparing the symptom networks of social anxiety, body dysmorphic symptoms, and depression-and identifying central symptoms within each cultural context-may contribute to the development of transdiagnostic treatments with cross-cultural applicability.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • German, American, and Japanese citizens over 18 years old.

Exclusion criteria

  • Individuals who do not obtain consent

Treatment and study plan

Cross sectional study

Other

This study is a cross-cultural study, not an intervention study. A total of 1,523 participants (484 from Germany, 548 from the United States, and 491 from Japan) were recruited.

Primary outcomes

  1. Brief version of Fear of Negative Evaluation scale

    Time frame: From March 2025 to April 2025

    The Brief version of Fear of Negative Evaluation scale measures fear of negative evaluation. The scale consists of 12 items, including eight for the straightforwardly worded items and four for the reverse worded items. Each item is rated on a 5-point scale ranging from 1 (not characteristic of me) to 5 (extremely characteristic of me), with higher scores indicating greater fear of negative evaluation. It is recommended that the straightforwardly worded items (8 items) are used for the assessment of fear of negative evaluation. The total score, based on all 12 items, ranges from 12 to 60. When using only the straightforwardly worded items, the total score ranges from 8 to 40.

  2. Mini-Social Phobia Inventory

    Time frame: From March 2025 to April 2025

    The Mini-social phobia inventory measures social anxiety and avoidance behavior. The scale contains three items rated on a 5-point scale from 0 (not at all) to 4 (extremely), with higher scores indicating greater social anxiety symptoms. The total score ranges from 0 to 12.

  3. Appearance Anxiety Inventory.

    Time frame: From March 2025 to April 2025

    The Appearance Anxiety Inventory measures symptoms of body dysmorphic disorder. The scale contains ten items rated on a 5-point scale from 0 (not at all) to 4 (all the time), with higher scores indicating greater symptoms of body dysmorphic disorder. The total score ranges from 0 to 40, with scores of 19 or above indicating caseness.

  4. Patient Health Questionnaire-9

    Time frame: From March 2025 to April 2025

    The Patient Health Questionnaire-9 assesses depressive symptoms. It consists of nine items, each rated on a 4-point scale ranging from 0 (not at all) to 3 (nearly every day), with higher scores indicating more severe depressive symptoms. The total score ranges from 0 to 27.

  5. External and Internal Shame Scale

    Time frame: From March 2025 to April 2025

    The External and Internal Shame Scale measures external shame and internal shame. It consists of eight items, each rated on a 5-point scale ranging from 0 (never) to 4 (always), with higher scores indicating greater levels of shame. The total score ranges from 0 to 32.

  6. Auckland individualism and collectivism scale

    Time frame: From March 2025 to April 2025

    The Auckland individualism and collectivism scale measures individualism (competitiveness, uniqueness, and responsibility) and collectivism (advise and harmony). The scale consists of 26 items, each rated on a 6-point scale ranging from 1 (never or almost never) to 6 (always), with higher scores indicating greater levels of the respective construct. The total score ranges from 26 to 156.

  7. Demographic data

    Time frame: From March 2025 to April 2025

    Age, location, ethnicity, education history, sexual orientation, biological sex, Gender identity, etc.

Other outcomes

  1. LGBTQIA+ minority stress questionnaire

    Time frame: From March 2025 to April 2025

    The LGBTQIA+ minority stress questionnaire measures level of stress of LGBTQIA+ minority. The scale contains 19 items rated on a 5-point scale from 0 (strongly disagree) to 4 (strongly agree), with higher scores indicating greater level of stress of LGBTQIA+ minority. The total score ranges from 0 to 76.

Sponsors and collaborators

Lead sponsor

Philipps University Marburg

Other

Registry information

Official study title

Examining the Network Structure of Social Anxiety and Body Dysmorphic Symptoms in American, German, and Japanese: A Cross-Cultural Study

Important dates

Study start
2025
Primary completion
2025
Study completion
2025
First posted
May 8, 2025
Registry last updated
May 8, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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