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The objective of this study is to assess breakfast habits and foods mostly consumed as snacks during the school day among fourth grade Qatari schoolchildren.

A cross‐sectional survey on a random sample of fourth grade students was carried out using a questionnaire on food frequency, food habits and types of foods consumed in breakfast and during the school day. The study included 259 students, 124 (47.9 per cent) girls and 135 (52.1 per cent) boys aged 9‐10 years.

Results of the study revealed that 91.1 per cent of the boys and 89.5 per cent of the girls ate breakfast daily. Bread and breakfast cereals consumption at breakfast was significantly higher (p = 0.04) among girls (86.3 per cent) compared with boys (76.3 per cent). Cheese and eggs were consumed by 90.7 per cent of the children at breakfast. Sweets and chocolates consumption was significantly higher (p < 0.001) among girls (56.5 per cent) than boys (28.2 per cent). Consumption of bakery items was significantly higher (p = 0.035) among boys (45.9 per cent) compared with girls (33.1 per cent). About 80 per cent of the children consumed potato chips. More boys (80.7 per cent) than girls (48.4 per cent) bought their snacks from school (p < 0.001).

The paper reports some dietary habits among schoolchildren in Qatar that has not been reported before. The paper highlights some positive dietary habits that should be encouraged, e.g. eating breakfast daily, and some negative dietary habits that need to be addressed in nutrition education programs targeting schoolchildren in Qatar, e.g. high consumption of potato chips and low consumption of milk as snacks.

The purpose of this paper is to estimate the prevalence of the risk of overweight and overweight in Qatari children ages 9 through 11 and to compare the prevalence using CDC and IOTF cut‐offs.

A cross‐sectional study in a randomly selected sample of 1,213 Qatari children was carried out. Weight and height were measured and BMI was calculated for all children. The risk of overweight and overweight were defined using as references both the CDC BMI percentiles for age and gender and IOTF cut‐off values.

Weight, height, and BMI increased with age and differences were significant (p<0.0001). According to the CDC and IOTF references, the overall prevalence of the risk of overweight affected 15.8 and 21.1 per cent respectively, while overweight was prevalent in 21.8 and 17.7 per cent respectively. Using either reference, the prevalence of the risk of overweight was higher among girls compared with boys (22.4 per cent, 19.4 per cent respectively), while overweight was higher among boys than among girls (20.6 per cent, 15.5 per cent respectively) but the differences were not statistically significant for both.

This study focused on children aged 9‐11 years, which represents a transition period between childhood and adolescence. Studying overweight in childhood is important since identification of children who may become obese adults can facilitate early intervention and avoidance of the morbidity and mortality associated with adult obesity. Limited studies on the prevalence of overweight have been conducted in Qatar.

Traditional architecture and urban form is a harmonious and interrelated blend of social relations, cultural beliefs and religious principles forming coherent spatial organisation living in harmony despite diversity of religious beliefs, social class or cultural practices of different communities. The purpose of this paper is to discuss the theoretical background of social cohesion and solidarity in the everyday life of the Mahalla with reference to its religious background in Islam.

The study of Beit Hadawi and Beit Hammadi el-Hassan as distinct evidences of prominent families within the boundaries of Mahallat El Mahdia in Old Hilla offers an empirical investigation on how values of the past informed and, to some extent, governed the very organic organisation of interlocking residential units in Iraq.

It investigates the architecture of home and the spatial organisation of Mahalla’s social activities through highlighting the effect of previous factors in creating a responsive environment that sustained its operational mechanism and fluidity over centuries.

This paper examines how previous values, traditions and rituals are behind the organic tissue of traditional quarters and thus providing an effective criterion to be considered when discussing sustainable development or creating a responsive environment in societies with exceptional privacy.

The notion of privacy represents a central criterion for both indoor and outdoor social spaces in most traditional Arab settlements. This paper investigates privacy and everyday life as determinants of the physical properties and patterns of the built and urban fabric and will study their impact on traditional settlements and architecture of the home in the contemporary Iraqi city. It illustrates the relationship between socio-cultural aspects of public and private realms using the notion of the social sphere as an investigative tool of the concept of social space in Iraqi houses and local communities (Mahalla). This paper reports that in spite of the impact of other factors in articulating built forms, privacy embodies the primary role under the effects of Islamic rules, principles and culture. The crucial problem is the underestimation of traditional inherited values through opening social spaces to the outside that giving unlimited accesses to the indoor social environment creating many problems with regard to privacy and communal social integration.

The purposes of this study were to analyze fruits, vegetables, water and soil for organochlorine pesticide (OCP) residues and to assess the food exposure of these pesticides in Qatar.

Pesticides were quantified in dates, leafy vegetables, fruiting vegetables, water and soil samples using a gas chromatography-electron capture detector and gas chromatography-mass spectrometry. These pesticides were α-benzene hexachloride (BHC), ß-BHC, heptachlor, aldrin, g-chlordane, endosulfan I, α-chlordane, dieldrin, endrin and methoxychlor. Additionally, food exposure risk assessment was performed by estimating daily intakes of OCP.

Most analyzed samples contained at least one OCP residue. Endosulfan was the only pesticide that was not detected. The concentrations of OCP in samples were below the maximum residue level (MRL) except endosulfan. Among all the samples analyzed, ˜18% of those exceeded the MRL with respect to the concentrations of methoxychlor and heptachlor. Only intake of methoxychlor (0.018 mg/day) exceeded the MRL (0.01 mg/day). Dates and fruiting vegetables were likely to pose a higher risk than leafy vegetables because they contained heptachlor, endrin and methoxychlor. Leafy vegetables might pose a greater risk than dates and fruiting vegetables because of the presence of β-BHC and dieldrin.

Eight out of ten OCPs that were measured were found to be below the MRL. These pesticides should be eliminated from the food supply based on the Qatar National Implementation Plan of the Stockholm Convention in 2010. Based on the intake risk assessment, overall, the intake of OCP may not pose a major risk to human health as the concentrations of OCP were below MRL, except methoxychlor. Water and soil are the potential sources of contamination of OCP in foods that were tested in Qatar. To limit the health risks associated with OCPs, there is a need for close monitoring of food and agricultural practices and the types of pesticides imported into Qatar.

The purpose of this paper is to determine the prevalence of general and abdominal obesity among adolescents attending independent schools in Qatar.

A school-based cross-sectional study was conducted in November-December 2013 in 23 secondary schools. A total of 1,161 students aged 14 to 19 year olds were randomly selected using a multistage stratified cluster random sampling technique. Body weight, height and waist circumference (WC) were measured using standard protocol. The International Obesity Task Force (IOTF) age- and sex-specific body mass index (BMI) reference were used to define overweight and obesity. Abdominal obesity (AO) was defined by waist to height ratio (WHtR ≥ 0.5) and by sex- and age-specific WC cut-off values.

The prevalence of overweight and obesity among the study population was 20.6 and 20.7%, respectively. The highest rate of overweight and obesity was observed among boys, and the youngest age group. The rate of obesity defined by either WC/or WHtR was higher than that assessed by BMI. The prevalence of AO assessed by WC and WHtR was 48.8 and 46.9%, respectively. The rate of AO was significantly higher (p < 0.05) among boys compared to girls for both assessment criteria. The proportion of adolescents with AO (WHtR ≥ 0.5) according to BMI was 17.3%, 80.8% and 97.1% for adolescents with normal, overweight and obesity had AO, respectively. Being male was significantly associated with higher odds of having both general obesity and AO.

The study revealed a high prevalence of general and abdominal obesity in adolescents in Qatar. Waist measures appear to be an important indicator in identifying adolescents at risk and should be included as screening tools for cardiometabolic risk.

This paper aims to expose the direct and indirect impacts of changing culture and society principles on the built environment, architectural scene and practice. Studying culture-architecture forceful formula in present-day Iraq, as not previously discussed, reveals how cultural shift affects the public image of architectural form, uses and activity system, thus how latter issues highlight or predict society deterioration or collapse.

Comparing and analysing past and contemporary works, highlighting strange values emerged later, personal survey and observing house forms, in-depth interviews, photos and architectural drawings are a set of methodological tools used in approaching research main objective.

Findings include two mutual systematic approaches. The first is to define, acknowledge and understand previous criteria, while the second is to disclose responsible authorities and institutions and their role in addition to necessary procedures to correct or minimize the impact of various changes on the contemporary architectural situation.

Contemporary Iraqi society and culture have been dealt with as distorted and destructive, where various unacceptable values describe its current image compared to the noble form of the inherited. As a true expression and a visible manifestation of culture with which it interacts, degraded architecture and urbanism in contemporary Iraq provide an accurate picture of the current state of society, its values, principles and beliefs.

This paper aims to define the socio-spatial considerations of apartment users in Cairo, during their decision-making process. It provides a set of socio-spatial guidelines for professional architecture designers that are based on regionalist sociological theories and the evaluation of participant responses. These guidelines can also help users choose better plan configurations or make socially conscious adjustments as formal residential interiors in Egypt are not arranged based on social interaction at home or the cultural specificity of the region. On the other hand, users have little clue about choosing better plan configurations for sustainable social relationships. Moreover, the private housing sector has mostly neglected the social boundaries that traditionally shaped home interiors. This is because the designers focus on physical attributes to satisfy market demand and economic aspects.

The research reviewed past literature on the impact of different home arrangements relative to inhabitant and social relationships. Simultaneously, preliminary open-ended sorting surveys were undertaken at the Cityscape 2020 exhibition. Based on the results, a comprehensive online survey was developed to map the socio-spatial preferences of users. Finally, a sample of 150 apartment plans was analyzed by using the justified plan graph (JPG) theory to reveal the most common arrangements in the speculative market, measuring unit depth.

The findings of this study will benefit the following: practitioners, including architects and real estate developers, will be able to learn about end-user preferences and offer better products (residential units). Designers can rely on a reference that visualizes recommended home arrangements in the form of justified graphs. This research will expose the academic theories that currently shape residential plans and those that are overlooked and need to be applied. Academics, on the other hand, will learn about the market, and the extent of the influence of architectural theory.

The value of this paper lies in the gathering of theoretical recommendations on traditional home arrangements and investigating the preferences of both professionals and laypeople when choosing between apartments. The open-ended study in this research will test its efficiency in the Egyptian context and serve as a reference for future social studies. It highlights the importance of cultural adequacy and how to design homes related to local residents’ natural lifestyle, by doing so, people will be able to overview the options available in the market and how to manipulate their own houses to control or encourage different social interactions.

Nano-Clay (NC) is reported as a candidate partial replacement for cement, due to its abundance and relatively low cost - beside reported promotion of different concrete properties. On the other hand, Steel Fibres (SF) has proven to have a positive effect on post fire exposure residual strength of concrete. This paper aims to present the outcomes of a comprehensive research program assessing a hybrid mix between NC and SF in concrete mixtures (NCSF-CRETE).

Physical chemical and physical characterization of NC is performed using different tools as XRF spectrometer, and TEM micrograph. Fresh concrete properties of NSCF-CRETE as slump and air content are investigated. Enhancement in permeability using NSCF is verified by comparing its resistance to the penetration of chlorides resistance with regular concrete mix. Besides, the proposed NCSF-CRETE compressive strength is evaluated compared to mixes with NC and SF each used separately at different curing ages. Besides, NSCF and compared mixes are exposed to an indirect fire testing program – two hours exposure – for: 300, 450 and 600°C. Degradation in compressive strength was investigated after exposure to different temperatures and percentage of residual strength is reported.

Results indicated an improved performance of NCSF -CRETE of about 40% compared to regular concrete in compressive strength at normal conditions. This improvement extended to its behavior when subjected to indirect fire exposure NSCF also maintained 40% more strength than the residual in regular concrete mix – which suffered severe damage – after 2 h exposure to 600°C.

Using NCSF-Crete allows retrofitting the structure after exposure to such drastic conditions.

Commemorating the 15th year anniversary of discourse, knowledge dissemination in architecture and urbanism through the contributions published in Archnet-IJAR: International Journal of Architectural Research, since March 2007, this article aims to capture, unpack and categorize the key content of published research outputs during the last five years into knowledge spaces.

While referring to key statistics of various recognized databases in order to highlight the journal growth, development and performance, the approach to the analysis is inspired by Crysler's Writing Spaces: Discourses of Architecture, Urbanism and the Built Environment. This is established through a preliminary conceptual content analysis that enables the development of specific content categories representing knowledge spaces based on the overall contributions to the journal since its inception in 2007 and then mapping the recent contributions, developed over the past five years (2017–2021), to these knowledge spaces. The thrust of the analysis is to instigate a structured understanding of Archnet-IJAR role in the development and dissemination of knowledge in architecture and urbanism.

The examination of the content and the analysis reveal two broad categories of knowledge spaces: established and evolving. Established knowledge spaces are recognized in terms of theorizing architectural and urban production; the public realm and assessment of designed environments; housing, the informal and the vernacular; urban heritage and historic environments; and architectural and urban politics. Evolving knowledge spaces were acknowledged in terms of architectural education and design pedagogy; collaborative planning and community design; architectural and urban sustainability and resilience; health, wellbeing and engaging with nature; and COVID-19 spatial and pedagogical implications. Characterized by clear definition and at the same time transparent borders, the identified knowledge spaces have the potential of generating further possibilities for future knowledge spaces.

In addition to a holistic analysis based on the scrutiny of contributions as they progressed from submissions to reviews to publishing, future work would involve more systematization, in-depth engagement with metadata and should benefit from IT applications and data mining software packages.

This article is regarded as a cognizance platform and an enabling mechanism for researchers and future contributors to identify the unique particularities of their research, the nature of the content they aim to develop and the way in which that content may contribute to one or more knowledge spaces.

Establishing an understanding of the knowledge spaces which represent contributions published in Archnet-IJAR, the knowledge spaces identified demonstrate diversity and plurality; diversity in ontological interpretations of the nature of reality and plurality and pluri-epistemology in terms of how methods are pursued and the way in which such interpretations are developed, recorded, documented and communicated. These are knowledge spaces of possibilities and anticipation of growth, evolution and development.