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京都大学 / 0048 / 新制・課程博士 / 博士(地域研究) / 甲第21894号 / 地博第240号 / 新制||地||89(附属図書館) / 京都大学大学院アジア・アフリカ地域研究研究科東南アジア地域研究専攻 / (主査)准教授 古澤 拓郎, 教授 西渕 光昭, 教授 竹田 晋也, 准教授 坂本 龍太 / 学位規則第4条第1項該当 / Doctor of Area Studies / Kyoto University / DGAM

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Adolescents with body image dissatisfaction experience more anxiety than their peers who are more satisfied with their body. This is problematic given that adolescents who experience these concerns have a greater likelihood of later developing other mental health disorders and have more disordered eating cognitions and behaviour. For this reason, I investigated how body image dissatisfaction, social anxiety, and fear of negative evaluation were related to one another. Participants included 527 adolescents (301 girls; aged 15 to 19 years; 83.1% White) who were accessed annually over 4 years (Grade 10 to one-year post high school) using the Multidimensional Anxiety Scale for Children, the Brief Fear of Negative Evaluation scale-II, and validated questions to assess body image dissatisfaction. A developmental cascade model was used to examine direct and indirect effects between the study variables. Results indicated two significant indirect paths; body image dissatisfaction to social anxiety via fear of negative evaluation and body image dissatisfaction to fear of negative evaluation via social anxiety. Direct effects included a reciprocal positive association between body image dissatisfaction and social anxiety in mid-adolescence and a reciprocal positive association between social anxiety and fear of negative evaluation across adolescence. Lastly, there was a positive association from body image dissatisfaction to fear of negative evaluation across adolescence. These results suggest that adolescents with low body image dissatisfaction are likely to experience greater fear and anxiety regarding social interaction. This study emphasizes the need to target adolescents with body image intervention programs to reduce the experience of psychopathology.

This investigation sought to identify anxiety responses to weight measurement, assessed by verbal report and cardiovascular reactivity CCR3 (systolic blood pressure, diastolic blood pressure, heart rate), which might differentiate females with either high or low self-reported bulimic behavior. Secondar i ly,, the study attempted to examine specific autonomic nervous system (ANS) arousal patterns of each group over time. The Bulimia Test (BULIT), Body Dissatisfaction Scale (BD), and a demographic questionnaire were administered to 105 undergraduate females at The University of North Texas. Based on BULIT scores, females were divided into high or low bulimic behavior groups. Of the 105 females screened, forty participated in the experiment which consisted of four phases: relaxation, anticipation of weight measurement, weight measurement, and recovery. Subjects had no prior knowledge of the weight stressor until presentation during the experiment. Results showed that subjects' notion of ideal weight was substantially lower than measured weight. During weight measurement, all subjects reported increased anxiety although the high group reported significantly more anxiety. Contrary to prediction, no significant group differences in CR were found when repeated measures multivariate analysis of variance (MANOVA) was performed. Orthogonal polynomial trend analysis was done with pooled groups, resulting in significant within-subject trends for all cardiovascular measures. There was also a significant group by time of measurement interaction for heart rate during the weight measurement phase. Correlational analyses failed to produce significant results between verbal report of anxiety and CR. There was, however, a significant correlation between BULIT and BD scores. It was concluded that heightened subjective anxiety during weight measurement could not be attributed to group differences in CR. Regarding ANS arousal patterns, mixed evidence of active and passive coping was seen. Nevertheless, both psychological and physiological measures supported an overvaluation of female thinness consistent with societal trends regardless of group membership. Implications of findings were discussed along with suggestions for future research.

Bibliography: leaves 406-467. / This explorative study, partially based on the psychological and developmental perspectives, evaluated female sexuality and body image during pregnancy and the postnatal period. A cross-sectional and longitudinal research design was used. Several female (n = 208) and male ( n = 84) subsamples were evaluated. Assessment included a Biographical Questionnaire, Female and Male Sexuality Scales rated on 3- and 5- point scales, and the Rorschach Inkblot Test, scored for Barrier and Penetration responses. Parametric and non-parametric statistical techniques were employed in the cross-sectional data analysis. The biographical background of the subjects was homogeneous. Predominantly all of the women were educated, had planned their pregnancies, attended prenatal classes and were informed about the process of pregnancy. Chi-square tests on the single items measuring female sexuality, from prior to conception to during pregnancy, and after childbirth, showed a significant decline in females' sexual satisfaction and in the intensity with which they experienced orgasms. Excluding the retrospective data, a significant decline was found on female sexual desire and enjoyment during pregnancy and during the postnatal period. Physiologically related reasons were commonly associated with declined sexual desire. Few pregnant or postnatal women abstained from sexual intercourse or introduced coital methods and positions unfamiliar to them. A factor analysis of the single sexuality variables revealed four factors, Sexual Responsivity, Sexual Orgasmic Ability, Multiple Orgasmic Ability and Sexual Motivation. The data subjected to a multivariate analysis of variance yielded a significant linear downward trend of Female Sexual Responsivity over the gestation period and after childbirth. The conclusion is drawn that female sexuality I specifically referring to the psychological dimension (Factor 1) was not related to a specific trimester (or stage). No significant differences were evident on the physiological dimension of female sexuality referring to Orgasmic Ability or Sexual Motivation. Female body image was assessed both qualitatively and quantitatively. The descriptive analysis showed that pregnant women felt overweight, and unacceptable by social standards, yet they viewed these bodily states as temporary. The projective account of body image yielded no significant differences. The conclusion was drawn that women consciously rejected their pregnant body image, but subconsciously it formed part of their identity. Expectant fathers only experienced a significant decline in sexual satisfaction and initiated less sexual activity during their wives' pregnancy. It was concluded that male sexuality was minimally affected by their partner's pregnancy. Finally, pregnancy was found to be a natural and positive event.

The purpose of this study was to examine any differences that may exist among demographic variables such as gender, age, and race in regard to internalization of society and media messages leading to body dissatisfaction that may lead to disordered eating behaviors such as preoccupation with weight, dieting, and eating restraint. A total of 324 participants completed the demographic questionnaire, the Multidimensional Body Self Relations Questionnaire, the Sociocultural Attitudes Towards Appearance Questionnaire for women, the Sociocultural Attitudes Towards Appearance Questionnaire-Revised-Male-Version for men, and Rotter’s Internal-External (I-E) Locus of Control Scale. The results of this study found, as predicted, that Caucasians reported higher internalization, higher body dissatisfaction, and higher preoccupation with weight, dieting, and eating restraint than African Americans. This study showed no differences regarding men’s and women’s internalization or body dissatisfaction but did reveal that women reported higher preoccupation with weight, dieting, and eating restraint than men. Regarding age, this study found that age did not predict internalization, body dissatisfaction, or preoccupation with weight, dieting, and eating restraint.

UV exposure via sunbathing and utilization of sun lamps and tanning beds are considered important risk factors for the development of skin cancer. Psychosocial models of UV exposure are often based on theories of health behavior, but theory from the body image field can be useful as well. The current study examines models that prospectively predict sunbathing and indoor tanning behaviors using constructs and interrelationships derived from the tripartite theory of body image, theory of reasoned action, health belief model, revised protection motivation theory, and a proposed integration of several health behavior models. The results generally support a model in which intentions mediate the relationship between appearance attitudes and tanning behaviors, appearance reasons to tan and intentions mediate the relationship between sociocultural influences and tanning behaviors, and appearance reasons not to tan and intentions mediate the role of perceived threat on behaviors. The implications of these findings are considered.

Common features of polycystic ovary syndrome (PCOS), including hyperandrogenism, ovarian dysfunction and obesity, can be highly distressing. We compared 40 women with PCOS to women with infertility but not PCOS, and to women with neither PCOS nor infertility, on measures of depression and body image. Women with PCOS reported higher depression scores and greater body dissatisfaction (p < .001) than comparison group women. Body image was strongly associated with depression overall, even after controlling body mass. Among women with PCOS, body dissatisfaction measures and education explained 66 percent of the variance in depression, suggesting explanations of the PCOS-depression link should consider the role of potentially mediating psychosocial variables.

Through various media platforms, thin ideal is reproduced and considered as thenorm. Women who do not identify with this thin ideal are produced as "inferior" toother women. The aim of this study is to provide an understanding of how Swedishwomen between the ages of 30–40 construct and interpret the thin ideal. We haveinterviewed eight women who in one way or the other adhere to the “thin ideal”existing in Swedish society. To analyze our empirical material, we have mainly usedthe theories from Jenkins and Krekula. Jenkins´s theory has helped us to understandhow these women's identity-processes change in different social contexts. We haveused Kurakula’s theory to understand how age norms affect the ways the women areacting, in relation to their age. Our study shows that the women are effected by andcompare themselves to other women in Swedish society. To construct and interpretthe thin ideal they use different strategies which are to distance or themselves fromthe ideal or adapt themselves to the ideal. Yet, more important than that, our studyshows that women accept their bodies and consider being healthy more importantthan being thin.