Ethnocultural diversity of immigrants' personal social networks, bicultural identity integration and global identification

There is some evidence that ethnocultural diversity encourages superordinate levels of categorisation, such as feeling identified with people globally. A remaining question is what type of engagement with diversity facilitates this link and why. We use immigrants' personal social network data and examine the link between global identification and ethnocultural diversity among closer relationships (i.e. strong network contacts, such as friendships) and more distant ones (i.e. weak contacts, including neighbours and acquaintances). Furthermore, following exposure to diversity, individuals may internalise more than one culture and differ how they integrate their multiple cultural socialisation into the self (i.e. vary in their degree of bicultural identity integration). We thus test whether relational ethnocultural diversity is linked to a stronger global identification through either cultural blendedness (i.e. combining two cultures) or harmony (i.e. perceiving two cultures as compatible). Relying on a culturally diverse community sample of 216 immigrants residing in Barcelona (53% female, Mage = 31 years, SD = 10.4), we found that ethnocultural diversity among strong (but not weak) contacts was associated with stronger global identification and that this association is mediated by cultural harmony (but not blendedness). These results attest to the link between having ethnoculturally diverse close social relationships and superordinate identification

Height and body-mass index trajectories of school-aged children and adolescents from 1985 to 2019 in 200 countries and territories: a pooled analysis of 2181 population-based studies with 65 million participants

Summary Background Comparable global data on health and nutrition of school-aged children and adolescents are scarce. We aimed to estimate age trajectories and time trends in mean height and mean body-mass index (BMI), which measures weight gain beyond what is expected from height gain, for school-aged children and adolescents. Methods For this pooled analysis, we used a database of cardiometabolic risk factors collated by the Non-Communicable Disease Risk Factor Collaboration. We applied a Bayesian hierarchical model to estimate trends from 1985 to 2019 in mean height and mean BMI in 1-year age groups for ages 5–19 years. The model allowed for non-linear changes over time in mean height and mean BMI and for non-linear changes with age of children and adolescents, including periods of rapid growth during adolescence. Findings We pooled data from 2181 population-based studies, with measurements of height and weight in 65 million participants in 200 countries and territories. In 2019, we estimated a difference of 20 cm or higher in mean height of 19-year-old adolescents between countries with the tallest populations (the Netherlands, Montenegro, Estonia, and Bosnia and Herzegovina for boys; and the Netherlands, Montenegro, Denmark, and Iceland for girls) and those with the shortest populations (Timor-Leste, Laos, Solomon Islands, and Papua New Guinea for boys; and Guatemala, Bangladesh, Nepal, and Timor-Leste for girls). In the same year, the difference between the highest mean BMI (in Pacific island countries, Kuwait, Bahrain, The Bahamas, Chile, the USA, and New Zealand for both boys and girls and in South Africa for girls) and lowest mean BMI (in India, Bangladesh, Timor-Leste, Ethiopia, and Chad for boys and girls; and in Japan and Romania for girls) was approximately 9–10 kg/m2. In some countries, children aged 5 years started with healthier height or BMI than the global median and, in some cases, as healthy as the best performing countries, but they became progressively less healthy compared with their comparators as they grew older by not growing as tall (eg, boys in Austria and Barbados, and girls in Belgium and Puerto Rico) or gaining too much weight for their height (eg, girls and boys in Kuwait, Bahrain, Fiji, Jamaica, and Mexico; and girls in South Africa and New Zealand). In other countries, growing children overtook the height of their comparators (eg, Latvia, Czech Republic, Morocco, and Iran) or curbed their weight gain (eg, Italy, France, and Croatia) in late childhood and adolescence. When changes in both height and BMI were considered, girls in South Korea, Vietnam, Saudi Arabia, Turkey, and some central Asian countries (eg, Armenia and Azerbaijan), and boys in central and western Europe (eg, Portugal, Denmark, Poland, and Montenegro) had the healthiest changes in anthropometric status over the past 3·5 decades because, compared with children and adolescents in other countries, they had a much larger gain in height than they did in BMI. The unhealthiest changes—gaining too little height, too much weight for their height compared with children in other countries, or both—occurred in many countries in sub-Saharan Africa, New Zealand, and the USA for boys and girls; in Malaysia and some Pacific island nations for boys; and in Mexico for girls. Interpretation The height and BMI trajectories over age and time of school-aged children and adolescents are highly variable across countries, which indicates heterogeneous nutritional quality and lifelong health advantages and risks

Rising rural body-mass index is the main driver of the global obesity epidemic in adults

Body-mass index (BMI) has increased steadily in most countries in parallel with a rise in the proportion of the population who live in cities(.)(1,2) This has led to a widely reported view that urbanization is one of the most important drivers of the global rise in obesity(3-6). Here we use 2,009 population-based studies, with measurements of height and weight in more than 112 million adults, to report national, regional and global trends in mean BMI segregated by place of residence (a rural or urban area) from 1985 to 2017. We show that, contrary to the dominant paradigm, more than 55% of the global rise in mean BMI from 1985 to 2017-and more than 80% in some low- and middle-income regions-was due to increases in BMI in rural areas. This large contribution stems from the fact that, with the exception of women in sub-Saharan Africa, BMI is increasing at the same rate or faster in rural areas than in cities in low- and middle-income regions. These trends have in turn resulted in a closing-and in some countries reversal-of the gap in BMI between urban and rural areas in low- and middle-income countries, especially for women. In high-income and industrialized countries, we noted a persistently higher rural BMI, especially for women. There is an urgent need for an integrated approach to rural nutrition that enhances financial and physical access to healthy foods, to avoid replacing the rural undernutrition disadvantage in poor countries with a more general malnutrition disadvantage that entails excessive consumption of low-quality calories.Peer reviewe

Worldwide trends in underweight and obesity from 1990 to 2022: a pooled analysis of 3663 population-representative studies with 222 million children, adolescents, and adults

Background Underweight and obesity are associated with adverse health outcomes throughout the life course. We estimated the individual and combined prevalence of underweight or thinness and obesity, and their changes, from 1990 to 2022 for adults and school-aged children and adolescents in 200 countries and territories. Methods We used data from 3663 population-based studies with 222 million participants that measured height and weight in representative samples of the general population. We used a Bayesian hierarchical model to estimate trends in the prevalence of different BMI categories, separately for adults (age ≥20 years) and school-aged children and adolescents (age 5–19 years), from 1990 to 2022 for 200 countries and territories. For adults, we report the individual and combined prevalence of underweight (BMI <18·5 kg/m2) and obesity (BMI ≥30 kg/m2). For schoolaged children and adolescents, we report thinness (BMI <2 SD below the median of the WHO growth reference) and obesity (BMI >2 SD above the median). Findings From 1990 to 2022, the combined prevalence of underweight and obesity in adults decreased in 11 countries (6%) for women and 17 (9%) for men with a posterior probability of at least 0·80 that the observed changes were true decreases. The combined prevalence increased in 162 countries (81%) for women and 140 countries (70%) for men with a posterior probability of at least 0·80. In 2022, the combined prevalence of underweight and obesity was highest in island nations in the Caribbean and Polynesia and Micronesia, and countries in the Middle East and north Africa. Obesity prevalence was higher than underweight with posterior probability of at least 0·80 in 177 countries (89%) for women and 145 (73%) for men in 2022, whereas the converse was true in 16 countries (8%) for women, and 39 (20%) for men. From 1990 to 2022, the combined prevalence of thinness and obesity decreased among girls in five countries (3%) and among boys in 15 countries (8%) with a posterior probability of at least 0·80, and increased among girls in 140 countries (70%) and boys in 137 countries (69%) with a posterior probability of at least 0·80. The countries with highest combined prevalence of thinness and obesity in school-aged children and adolescents in 2022 were in Polynesia and Micronesia and the Caribbean for both sexes, and Chile and Qatar for boys. Combined prevalence was also high in some countries in south Asia, such as India and Pakistan, where thinness remained prevalent despite having declined. In 2022, obesity in school-aged children and adolescents was more prevalent than thinness with a posterior probability of at least 0·80 among girls in 133 countries (67%) and boys in 125 countries (63%), whereas the converse was true in 35 countries (18%) and 42 countries (21%), respectively. In almost all countries for both adults and school-aged children and adolescents, the increases in double burden were driven by increases in obesity, and decreases in double burden by declining underweight or thinness. Interpretation The combined burden of underweight and obesity has increased in most countries, driven by an increase in obesity, while underweight and thinness remain prevalent in south Asia and parts of Africa. A healthy nutrition transition that enhances access to nutritious foods is needed to address the remaining burden of underweight while curbing and reversing the increase in obesit

Heterogeneous contributions of change in population distribution of body mass index to change in obesity and underweight NCD Risk Factor Collaboration (NCD-RisC)

From 1985 to 2016, the prevalence of underweight decreased, and that of obesity and severe obesity increased, in most regions, with significant variation in the magnitude of these changes across regions. We investigated how much change in mean body mass index (BMI) explains changes in the prevalence of underweight, obesity, and severe obesity in different regions using data from 2896 population-based studies with 187 million participants. Changes in the prevalence of underweight and total obesity, and to a lesser extent severe obesity, are largely driven by shifts in the distribution of BMI, with smaller contributions from changes in the shape of the distribution. In East and Southeast Asia and sub-Saharan Africa, the underweight tail of the BMI distribution was left behind as the distribution shifted. There is a need for policies that address all forms of malnutrition by making healthy foods accessible and affordable, while restricting unhealthy foods through fiscal and regulatory restrictions

The Challenge of Being Both Local and Global: Bicultural Identity Integration among Indigenous Ladakhi Youth in Delhi

Ladakhi emerging adults have been exposed to cultural globalization through interaction with tourists and media, as well as through prolonged stays at globalized university contexts in major Indian cities. This globalization process has been hypothesized as detrimental to psychological health, in part because it poses the challenge of integrating a local Ladakhi identity with a global Western cultural identity. In the present study, we examined how exposure to cultural globalization and bicultural identity integration (tendency to bring together one’s local and global identities) moderates the positive links of Ladakhi and Western cultural orientation with psychological well-being among Ladakhis studying in Delhi ( N = 196). We found that exposure to cultural globalization did not affect the positive association between cultural orientation and psychological well-being. Moreover, bicultural harmony and blendedness were associated with a weaker relationship between Ladakhi cultural orientation and psychological well-being and, additionally, a stronger association between Western cultural orientation and well-being. Our results highlight contemporary challenges related to being both local and global in a culturally globalized context

Managing the Unexpected: Bicultural Identity Integration During the COVID-19 Emergency

Unexpected and sudden emergency situations such as COVID-19 may render ethnic minorities particularly vulnerable to experiencing negative outcomes. Yet, we put forward that Bicultural Identity Integration (BII) – the degree to which bicultural individuals perceive their cultural identities as compatible and overlapping – may represent a resource in times of emergencies, since it may positively influence, through enhancement of psychological well-being, how bicultural individuals respond in terms of distress and coping strategies. Based on this assumption, the present study aimed at examining the relationship between BII and responses to COVID-19. N = 370 bicultural individuals (mean age = 26.83, SD = 8.74) from different cultural backgrounds were recruited online and completed measures of BII, psychological well-being, COVID-19 distress and coping strategies (positive attitudes, avoidance, social support seeking) during the second wave of the COVID-19 pandemic in Italy. We tested a model in which BII was the predictor, psychological well-being was the mediator and reactions to the COVID-19 emergency (distress, use of coping) were the outcomes. This model was tested against two alternative models. The proposed model showed a better fit to the data compared to the alternative models. In this model, psychological well-being mediated the relationship between BII (harmony) and coping strategies, except social support seeking. These findings highlight the important role played by BII in emergency situations, as it may indirectly, through enhancement of psychological well-being, contribute to enhance biculturals’ adaptive reactions in terms of distress as well as affect coping strategies during highly stressful events

Consumption Symbols as Carriers of Culture: A Study of Japanese and Spanish Brand Personality Constructs

This research argues that the meaning embedded in consumption symbols, such as commercial brands, can serve to represent and institutionalize the values and beliefs of a culture. We conducted four studies to examine how the symbolic and expressive attributes associated with commercial brands are structured, and determine the degree to which this structure varies across three cultures. Relying on a combined emic-etic approach, we identified indigenous constructs of `brand personality' (Aaker, 1997) in two non-Anglo cultures (Japan and Spain), and compared these dimensions to those previously found in the United States. The results of Studies 1 and 2 revealed a set of brand personality dimensions common to both Japan and the United States (Sincerity, Excitement, Competence, and Sophistication), as well as culture-specific Japanese (Peacefulness) and American (Ruggedness) dimensions. Studies 3 and 4 extended this set of findings to Spain. Results from these studies also identified brand personality dimensions common to both Spain and the United States (Sincerity, Excitement, and Sophistication), plus non-shared Spanish (Passion) and American (Competence and Ruggedness) dimensions. The meaning of the culturally-common and -specific brand personality dimensions is discussed in the context of cross-cultural research on values and affect, globalization issues, and cultural frame shifting.

Multiple identities juggling game: types of identity integration and their outcomes

In order to analyze how individuals socialized into multiple cultures integrate their different socio-cultural belongings, Benet-Martinez and colleagues introduced the construct of Bicultural Identity Integration. More recently, this construct has been applied to the study of identity dynamics beyond ethnicity under the more general rubric of Identity Integration (II), and with the goal of examining how other types of self-aspects intersect with each other. This Special Issue showcases current work on II and illustrates how this approach has become an effective theoretical tool to study identity processes in different social contexts. The multiplicity of methodologies used, the differing participants’ backgrounds, and the various identity domains explored, confirm that the II framework is useful to understand the complexity of multiple identifications