A Brief Self-compassion Intervention for Body Image, Minority Stress, and Sexual Self-efficacy in Hong Kong Gay Men

Self-compassion will be measured using the 12-item short version of the self-compassion scale (SCS). Items are rated on a 5-point Likert scale ranging from 1 (Almost Never) to 5 (Almost Always). The total score ranged from 12 to 60, with higher score indicating higher level of self-compassion.

Sexuality-based stigma will be measured by the 10-item Chinese men sex with men (MSM) Stigma Scale. Items are rated on a four-point Likert scale from 1 (never) to 4 (many times). The total score ranges from 10 to 40, with higher score indicating higher level of sexuality-based stigma.

Internalized stigma will be measured with the 5-item revised internalized homophobia scale (IHP-R). Items are measured on a five-point Likert scale between 1 (Strongly Disagree) and 5 (Strongly Agree). The total score ranges from 5 to 25, with higher scores indicate greater internalized stigma.

Anxiety symptoms will be measured using the 7-item Generalized Anxiety Disorder-7 (GAD-7). Items are rated on a 4-point Likert scale ranging from 0 (not at all) to 3 (nearly every day). The total score ranges from 0 to 21, with higher total scores indicating higher levels of anxiety symptoms

The 10-item Rosenberg Self-Esteem Scale (RSE) will be used to measured self-esteem. Items will be rated on a 4-point Liker scale (1 = Strongly agree, 4 = Strongly disagree). The total score ranges from 10 to 40, with higher score indicating higher level of self-esteem.

Self-objectification will be measured using the Chinese version of the Objectified Body Consciousness Scale (OBCS) - body-surveillance subscale. It consists of eight items rated on a 7-point Likert scale (1 = strongly disagree to 7 = strongly agree). The total score ranges from 7 to 56, with a higher score indicating a higher level of body surveillance.

The 14-item Condom Self-Efficacy Scale (CSES) will be used to measurement participants' sexual self-efficacy. Items will be measured on a 5-point Likert scale, ranging from 1 (very unsure) to 5 (very sure). The total score ranging from 14 to 70, with higher scores indicated a higher level of condom use efficacy.

Body shame will be measured using the Chinese version of the Objectified Body Consciousness Scale (OBCS) - body shame subscale (McKinley & Hyde, 1996). It consists of six items rated on a 7-point Likert scale (1 = strongly disagree to 7 = strongly agree), with a higher score indicating a higher level of body shame.

Depression will be measured using the Chinese version of the 9-item Patient Health Questionnaire (PHQ-9). Items are rated on a 4-point Likert scale ranging from 0 (not at all) to 3 (nearly every day). The total score ranges from 0 to 27, with higher total scores indicating higher levels of depressive symptoms.