Effect Sizes for Studies Included in the Meta-Analysis.

Nc = Number of participants in the control condition; Ne = Number of participants in the experimental condition; d+ = sample-weighted average effect size; 95% CI = 95% confidence interval.a Females.b Males.c Dance aerobics.d Step aerobics.e Video Intervention 1.f Video Intervention 2.g Cognitive-behavioural therapy (CBT).h Fitness training intervention.i Gratitude diaries.j Monitoring and restructuring.k High-risk women.l Low-risk women.m 3rd and 4th grade students.n 5th and 6th grade students.o Cycling.p Running.q Swimming.r Face-to-face intervention.s Internet intervention.t Feminist intervention.u Psychoeducation intervention.v Rosen, Orosan, & Reiter [76].w Rosen, Reiter, & Orosan [77].x Cognitive therapy.y To accommodate testing for two experimental conditions, the sample size of the control group has been divided by two.Measures of body image are coded as follows: 1 = Adult Body Satisfaction Questionnaire (ABSQ, [78]): Satisfaction with Physical Appearance Subscale; 2 = Body Attitudes Questionnaire (BAQ, [79]); 3 = Body Appreciation Scale (BAS, [80]); 4 = Body Checking Questionnaire (BCQ, [81]); 5 = Body Esteem Scale (BES, [82]); 6 = BES [82]: Sexual Attractiveness Subscale; 7 = Body Esteem Scale for Adolescents and Adults (BES, [83]): Appearance Body Esteem Subscale; 8 = BES [83]: Weight Body Esteem Subscale; 9 = Body Esteem Scale for Children [84]; 10 = Body Image Avoidance Questionnaire (BIAQ, [85]); 11 = Body Image Disturbance Questionnaire (BIDQ, [86]); 12 = Body Image States Scale (BISS, [87]); 13 = Body Parts Dissatisfaction Scale (BPDS, [88]): Number of Body Parts Wished Smaller; 14 = BPDS [88]: Number of Body Parts with Which Content; 15 = Body Parts Satisfaction Scale (BPSS, [89]): Body Parts Satisfaction Subscale; 16 = BPSS [89]: Overall Appearance Satisfaction Subscale; 17 = Body Satisfaction and Body Change Inventory (BSBCI, [90]): Body Satisfaction Subscale; 18 = Body Shape Questionnaire (BSQ, [91]); 19 = Body Shape Questionnaire- Short Form (BSQ-SF, [92]); 20 = Body-Self Relations Questionnaire (BSRQ, [93]): Appearance Evaluation Subscale; 21 = Berscheid, Walster, and Bohrnstedt Body Image Questionnaire [89]; 22 = Contour Drawing Rating Scale (CDRS, [94]); 23 = Child and Youth Physical Self-Perception Profile (CY-PSPP, [95]): Body Attractiveness Subscale; 24 = Eating Disorders Inventory–II (EDI-II, [96]): Body Dissatisfaction Subscale; 25 = Figure Rating Scale (FRS, [97]); 26 = Multidimensional Body-Self Relations Questionnaire (MBSRQ, [98]): Appearance Evaluation Subscale; 27 = MBSRQ [98]: Body Areas Satisfaction Subscale; 28 = Physical Appearance State and Trait Anxiety Scale (PASTAS, [99]: State Nonweight Subscale; 29 = PASTAS [99]: State Weight Subscale; 30 = PASTAS [99]: Trait Weight Subscale; 31 = Marsh Physical Self-Description Questionnaire (PSDQ, [100]); 32 = Physical Self-Perceptions-Inventory (PSPP, [101]): Bodily Attractiveness Subscale; 33 = Physical Self-Concept Scale (PSS, [102]): Perception of Appreciation of Physical Appearance Subscale; 34 = PSS [102]: Perception of Physical Appearance Subscale; 35 = Satisfaction with Body Parts Scale (SBPS, [89]); 36 = Self-Report Behavioral Avoidance Questionnaire [103]; 37 = Self-reported current weight = self-reported ideal weight; 38 = Situational Inventory of Body Image Dysphoria–Short Form (SIBID-S, [104]); 39 = Social Physique Anxiety Scale (SPAS, [105]); 40 = Self-Perception Profile for Adolescents [106]: Physical Appearance Subscale; 41 = State Self-Esteem Scale (SSES, [107]): Appearance Subscale; 42 = Visual Analogue Scales (VAS) to assess body satisfaction; 43 = VAS to assess feelings of beauty; 44 = VAS to assess muscle dissatisfaction [108]; 45 = VAS to assess weight dissatisfaction [108].Measures of beauty ideal internalisation are coded as follows: 1 = Questions about desire to look like TV and pop stars; 2 = Sociocultural Attitudes Toward Appearance Questionnaire (SATAQ, [109]): Internalization of the Thin Ideal Subscale; 3 = Sociocultural Attitudes Toward Appearance Questionnaire-III (SATAQ-III, [110]): General Internalization Subscale.Measures of social comparison tendencies are coded as follows: 1 = Body Comparisons Scale (BCS, [111]); 2 = Physical Appearance Beliefs Test (PABT, [112]): Social Comparisons Subscale; 3 = Physical Appearance Comparison Scale (PACS, [113]).Effect Sizes for Studies Included in the Meta-Analysis.Nc = 对照组参与者数量（Number of participants in the control condition）; Ne = 实验组参与者数量（Number of participants in the experimental condition）; d+ = 样本加权平均效应量; 95% CI = 95%置信区间（95% confidence interval）。 a 女性。 b 男性。 c 舞蹈有氧操。 d 阶梯有氧操。 e 干预视频1。 f 干预视频2。 g 认知行为疗法（Cognitive-behavioural therapy, CBT）。 h 健身训练干预。 i 感恩日记。 j 监控与重构。 k 高风险女性。 l 低风险女性。 m 三、四年级学生。 n 五、六年级学生。 o 骑行。 p 跑步。 q 游泳。 r 面对面干预。 s 互联网干预。 t 女权主义干预。 u 心理教育干预。 v Rosen、Orosan与Reiter[76]。 w Rosen、Reiter与Orosan[77]。 x 认知疗法。 y 为适配两个实验组的检验需求，对照组样本量被均分为两份。 身体意象测量工具编码规则如下：1 = 成人身体满意度问卷（Adult Body Satisfaction Questionnaire, ABSQ, [78]）：身体外观满意度分量表；2 = 身体态度问卷（Body Attitudes Questionnaire, BAQ, [79]）；3 = 身体欣赏量表（Body Appreciation Scale, BAS, [80]）；4 = 身体检查问卷（Body Checking Questionnaire, BCQ, [81]）；5 = 身体自尊量表（Body Esteem Scale, BES, [82]）；6 = BES[82]：性吸引力分量表；7 = 青少年与成人身体自尊量表（Body Esteem Scale for Adolescents and Adults, BES, [83]）：外观身体自尊分量表；8 = BES[83]：体重身体自尊分量表；9 = 儿童身体自尊量表[84]；10 = 身体意象回避问卷（Body Image Avoidance Questionnaire, BIAQ, [85]）；11 = 身体意象困扰问卷（Body Image Disturbance Questionnaire, BIDQ, [86]）；12 = 身体意象状态量表（Body Image States Scale, BISS, [87]）；13 = 身体部位不满量表（Body Parts Dissatisfaction Scale, BPDS, [88]）：希望缩小的身体部位数量；14 = BPDS[88]：满意的身体部位数量；15 = 身体部位满意度量表（Body Parts Satisfaction Scale, BPSS, [89]）：身体部位满意度分量表；16 = BPSS[89]：整体外观满意度分量表；17 = 身体满意度与身体变化量表（Body Satisfaction and Body Change Inventory, BSBCI, [90]）：身体满意度分量表；18 = 身体形状问卷（Body Shape Questionnaire, BSQ, [91]）；19 = 身体形状问卷简版（Body Shape Questionnaire- Short Form, BSQ-SF, [92]）；20 = 身体-自我关系问卷（Body-Self Relations Questionnaire, BSRQ, [93]）：外观评估分量表；21 = Berscheid、Walster与Bohrnstedt身体意象问卷[89]；22 = 轮廓图评定量表（Contour Drawing Rating Scale, CDRS, [94]）；23 = 儿童与青少年身体自我知觉概况量表（Child and Youth Physical Self-Perception Profile, CY-PSPP, [95]）：身体吸引力分量表；24 = 进食障碍量表-II（Eating Disorders Inventory–II, EDI-II, [96]）：身体不满分量表；25 = 体型评定量表（Figure Rating Scale, FRS, [97]）；26 = 多维度身体-自我关系问卷（Multidimensional Body-Self Relations Questionnaire, MBSRQ, [98]）：外观评估分量表；27 = MBSRQ[98]：身体部位满意度分量表；28 = 身体外观状态与特质焦虑量表（Physical Appearance State and Trait Anxiety Scale, PASTAS, [99]）：状态非体重相关分量表；29 = PASTAS[99]：状态体重相关分量表；30 = PASTAS[99]：特质体重相关分量表；31 = Marsh身体自我描述问卷（Marsh Physical Self-Description Questionnaire, PSDQ, [100]）；32 = 身体自我知觉量表（Physical Self-Perceptions-Inventory, PSPP, [101]）：身体吸引力分量表；33 = 身体自我概念量表（Physical Self-Concept Scale, PSS, [102]）：对身体外观欣赏的知觉分量表；34 = PSS[102]：对身体外观的知觉分量表；35 = 身体部位满意度量表（Satisfaction with Body Parts Scale, SBPS, [89]）；36 = 自我报告行为回避问卷[103]；37 = 自我报告当前体重=自我报告理想体重；38 = 身体意象烦躁情境问卷简版（Situational Inventory of Body Image Dysphoria–Short Form, SIBID-S, [104]）；39 = 社会体型焦虑量表（Social Physique Anxiety Scale, SPAS, [105]）；40 = 青少年自我知觉概况量表[106]：身体外观分量表；41 = 状态自尊量表（State Self-Esteem Scale, SSES, [107]）：外观分量表；42 = 用于评估身体满意度的视觉模拟量表（Visual Analogue Scales, VAS）；43 = 用于评估美感感受的VAS；44 = 用于评估肌肉不满的VAS[108]；45 = 用于评估体重不满的VAS[108]。 美貌理想内化测量工具编码规则如下：1 = 关于渴望模仿电视与流行明星样貌的问题；2 = 外貌态度社会文化问卷（Sociocultural Attitudes Toward Appearance Questionnaire, SATAQ, [109]）：瘦理想内化分量表；3 = 外貌态度社会文化问卷-III（Sociocultural Attitudes Toward Appearance Questionnaire-III, SATAQ-III, [110]）：一般内化分量表。 社会比较倾向测量工具编码规则如下：1 = 身体比较量表（Body Comparisons Scale, BCS, [111]）；2 = 身体外观信念测验（Physical Appearance Beliefs Test, PABT, [112]）：社会比较分量表；3 = 身体外观比较量表（Physical Appearance Comparison Scale, PACS, [113]）。 本元分析纳入研究的效应量。