Positive body image refers to individuals' ability to conceptualize their bodies with love, respect, and appreciation. The study of positive body image is relatively new, and instruments used to investigate this multi-faceted construct have received limited use in non-English speaking countries. Thus, the aim of this investigation is to consider four measures that are associated with positive body image across eight different countries. Participants (n = 6272) completed the Body Appreciation Scale-2, the Body Areas Satisfaction Scale, the Physical Appearance Comparison Scale, and the Weight Bias Internalization Scale. Multi-group confirmatory factor analyses (MG-CFAs) and item-response theory (IRT) models were used to examine the measurement invariance of these surveys. Our results generally suggest that positive body image, weight bias, and appearance comparison can be

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Research has demonstrated that eating disorders and higher weight have lifetime cooccurrence suggesting that they may be best considered within a common etiological model. Although we know that body dissatisfaction is likely to be a risk factor for both disorders, other proposed risk and protective factors for each condition have not been adequately explored. The current paper tests a conceptual model that is based on a review of the existing literature from both areas of scholarship. It considers biological, sociocultural, psychological, and behavioral factors that may contribute to both outcomes. The model will be tested in a longitudinal design with an initial sample of 600 emerging adults (aged 18-30) per country in nine different countries (total sample = 5400 participants). Questionnaires will be completed online on two occasions, 12 months apart. The first full phase of the study commenced in July 2018 at the same time as Body Image was approached to publish this protocol paper (the final revised paper was submitted in September 2019), and data collection will be finalized in December 2019. Multi-group path analysis will identify the biopsychosocial predictorsboth cross-sectionally and longitudinallyof both ED and higher weight, and how these vary across countries and gender.

Background: Childhood obesity is a growing public health concern worldwide. Unfortunately, the health interventions remain biased towards addressing undernutrition. Aims: The study aimed to summarize the evidence on the determinants of obesity among adolescents in Zimbabwe. Methods: The Bronfenbrenner socio-ecological model (SEM) was used to classify these determinants: individual, social, environmental, and economic or government policies. The five-stage Arksey and O’Malley review methodology was used to formulate research questions, systematically search, and screen for relevant studies done between 2010 and 2020, data extraction, and summarizing the evidence. Google, PubMed, Google scholar, and United Nations websites were searched to identify relevant studies. The search yielded 22 results. Anthropometric indicators and the determinants assessed in each study were extracted. Results: Only 10 studies explored the determinants of obesity among adolescents in Zimbabwe. The risk of obesity was higher among older adolescents (16-19 years), particularly girls who reside in urban settings. Interestingly, girls had higher nutrition knowledge compared to boys. At the environmental level, fast food consumption, unhealthy snacking, low dietary diversity, carrying a packed lunchbox to school, and using non-active forms of transport to school was associated with obesity. In addition, having formally employed parents, and a small family size increased the odds of obesity. At the societal level, high family income and Christianity increased the rate of obesity. Economic instability appears to drive the availability and consumption of cheap unhealthy foods, particularly within the school environments. Conclusions: Adolescence is a critical stage where obesity starts to increase especially in girls as they graduate into adulthood. Sedentary lifestyles and the adoption of unhealthy dietary decisions appear to be exuberating this obesity problem in urban areas. School-based, family-oriented obesity prevention interventions which address gender discrepancies in eating habits and physical activity are recommended in these and related settings. Keywords: Adolescents, obesity, socio-ecological model, malnutrition, Zimbabwe.

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