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To address safety risks, worker well-being concerns and productivity losses in construction due to substance misuse, this study aims to explore awareness and usage levels of various substances among Nigerian construction professionals. The findings aim to inform targeted interventions and policy development to tackle these industry-specific challenges.

A comprehensive literature review identified several substances and intoxicants commonly used in construction, which informed the development of a well-structured questionnaire. This questionnaire was distributed to both construction professionals and nonprofessionals. The Shapiro-Wilk test assessed the normality of awareness and utilization scores for each substance, while the Kruskal-Wallis H-test explored significant differences in awareness and usage scores among different respondent groups.

Despite reporting low awareness of substances commonly used in construction, a significant proportion (over 60%) of respondents admitted to using several of these substances in their construction activities. This highlights a concerning disconnect, with more than half (62.5%) exceeding a predefined threshold (3.5) for significant substance use. Ten out of the 16 substances surveyed fell into this category, indicating a widespread issue within the industry.

The findings of this study highlight the need for increased education and awareness programs about the dangers of substance misuse in the construction industry. Construction companies should implement regular training sessions and workshops to educate workers on the risks associated with substance use. Additionally, there should be stricter enforcement of substance use policies and routine substance testing to deter misuse. These measures can enhance safety, improve worker well-being and boost overall productivity in the construction industry.

The insights from this study can inform the development of international policies and best practices for substance use prevention and worker well-being in the construction industry. Sharing these findings with international organizations, policymakers and industry stakeholders can help create broader guidelines and frameworks adaptable for implementation in various countries.

Adolescence and emerging adulthood are key developmental stages with high risk for trauma exposure and the development of mental and substance-use disorders (SUDs). This study aims to compare the clinical profiles of adolescents (aged 12–17 years) and emerging adults (aged 18–25 years) presenting for treatment of posttraumatic stress disorder (PTSD) and SUD.

Data was collected from the baseline assessment of individuals (n = 55) taking part in a randomized controlled trial examining the efficacy of an integrated psychological therapy for co-occurring PTSD and SUDs (PTSD+SUD) in young people.

Both age groups demonstrated complex and severe clinical profiles, including high-frequency trauma exposure, and very poor mental health reflected on measures of PTSD, SUD, suicidality and domains of social, emotional, behavioral and family functioning. There were few differences in clinical characteristics between the two groups.

Similarity between the two groups suggests that the complex problems seen in emerging adults with PTSD + SUD are likely to have had their onset in adolescence or earlier and to have been present for several years by the time individuals present for treatment.

To the best of the authors’ knowledge, this is the first study to compare the demographic and clinical profiles of adolescents and emerging adults with PTSD + SUD. These findings yield important implications for practice and policy for this vulnerable group. Evidence-based prevention and early intervention approaches and access to care are critical. Alongside trauma-focused treatment, there is a critical need for integrated, trauma-informed approaches specifically tailored to young people with PTSD + SUD.

This, the first chapter of this text provides an introduction to a social world that is constructed through cultural attitudes, with a long history of the so-called ‘insane’ or deviants being excluded from society. In many cases, this was due to their behaviour resulting from an addiction issue, mental ill health or as is often the case, both. The chapter begins with an introduction to what led to the conceptualisation of this text. Once this occurs, the interplay between the ‘normal’ and the deviant, as discussed above, is played through an examination of the cultural perceptions of both mental health and addiction. In addition, to support this, a brief historical timeline of mental health, addiction and dual diagnosis is described and visually depicted. Finally, the chapter concludes with an introduction to both editors of this text who then describe what will be discussed in the chapters that follow.

Cannabis as a recreational drug is prohibited in Nigeria. Consequently, the open use of cannabis attracts both formal and informal sanctions. As such, there is much stigma on users' faces across social spaces. This has led to innovations in drug use. Recently, non-medical use of tramadol has been rising across each of the gender categories. This study aims to understand (1) tramadol use prompts, (2) the sudden surge in gendered recreational use of tramadol and (3) the gendered challenges of recreational tramadol use among Nigerian university students.

Data were collected between December 2021 and October 2022. The researcher conducted 20 semi-structured interviews, with participants chosen purposefully from acquaintances and others selected through chain referral. The selection criteria included knowledge of a particular tramadol tablet and willingness to participate. This study got ethical approval from the Anambra State Ministry of Health (Ref: MH/AWK/M/321/354) and oral consent was obtained before the interviews. The participants were assured of confidentiality. The interviews were conducted in English (the formal Nigerian language) and lasted between 30 and 65 min. The data collected were transcribed and coded manually, and themes generated.

Findings suggest that peer pressures accounted for entry-level drug use. However, cannabis-related stigma is attributed to the surge in tramadol use across gender categories. Furthermore, academic pressure and sexuality are major reasons for tramadol use. The challenges associated with tramadol use include headaches and addiction.

This study, to the best of the author’s knowledge, presents alternative data on the surge in tramadol use among Nigerian university students.

This paper aims to further the understanding of Open Government Data (OGD) adoption by the government by invoking two quantum physics theories – percolation theory and expander graph theory.

Extant research on the barriers to adoption and rollout of OGD is reviewed to drive home the research question for the present study. Both the theories are summarized, and lessons are derived therefrom for answering the research question.

The percolation theory solves the riddle of why the OGD initiatives find it difficult to seep across the hierarchical and geographical levels of any administrative division. The expander graph theory builds the understanding of the need for having networking among and within the key government personnel for bolstering the motivation and capacity building of the operational personnel linked with the OGD initiative. The theoretical understanding also aids in the implementation and institutionalization of OGD in general.

Intersectionality of domains for conducting research on any theme is always a need. Given the fact that there are innumerable challenges regarding the adoption of OGD by the governments across the world, the application of the two theories of quantum physics might solve the quandary in a befitting way.

This study aims to examine the cilia-driven flow of magnetohydrodynamics (MHD) non-Newtonian fluid through a porous medium. The Jeffrey fluid model is taken into account. The fluid motion in a two-dimensional symmetric channel emphasizes the dominance of viscous properties over inertial properties in the context of long wavelength and low Reynolds number approximations.

An integrated numerical and analytic results are obtained by hybrid approach. A statistical method analysis of variance along with response surface methodology is used. Sensitivity analysis is used to validate the accuracy of nondimensional numbers.

The impact of various flow parameters is presented graphically and in numerical tables. It is noted that the velocity slip parameter is the most sensitive flow parameter in velocity and relaxation to retardation time ratio in temperature.

A model on cilia-generated flow of MHD non-Newtonian Jeffrey fluid is proposed.

Drawing on the natural resource-based view (NRBV) theory, the study aimed to examine the mediating role of green innovation (GI) in the nexus between green human resource management practices (Green HRMPs) and sustainable business performance (SBP).

This study adopted the descriptive time-lagged research design. Data were collected from 278 managerial staff of five mining companies in Ghana at different waves within a 3-month interval. Descriptive and inferential statistics were used to analyse the data received using the statistical package for the social sciences (SPSS) statistics (V. 26.0) and Smart PLS (V.4.0).

The study found that Green HRMPs significantly related more to economic performance (EP) than social performance (SP) but did not significantly relate to environmental performance (EnP). Moreover, the results revealed that GI partially mediated the nexus between Green HRMPs and both SP and EP but fully mediated the link between Green HRMPs and EnP.

The relevance of Green HRMPs in ensuring corporate sustainability has been largely established in the extant literature. However, there is an evidential dearth of studies in the literature concerning the mediating role of GI in the nexus between Green HRMPs and SBP, especially in developing economies context. Hence, this study serves as a significant contributing card from Ghana by advancing the NRBV theory.

Housing First (HF) is an evidence-based practice effective in reducing homelessness among those who experience chronic homelessness. However, a strong synthesis evaluating the effectiveness of this intervention is lacking for people who use drugs. The purpose of this study is to explore international literature databases to identify the effectiveness of the HF programme among people who use drugs.

A modified framework from Arksey and O’Malley (2005) was used, namely: identifying the research question; developing inclusion and exclusion criteria; identifying relevant studies for study selection; charting the data; and collating, summarising and reporting the results.

Three main themes were identified: substance use related outcomes, housing-related outcomes and social outcomes. There is strong evidence that HF increases housing retention and reduces homelessness among chronically homeless people who use drugs. However, literature relating to substance use and social outcomes for this population report mixed and inconclusive findings.

This scoping review concludes that additional research is required to conclusively determine whether HF is an effective intervention for homeless substance users. Future researchers must use formal assessments of substance use and ensure clear reporting of the HF intervention is accomplished. It is recommended for researchers and policymakers to consider the specific needs of the people who use drugs before implementation of HF for this population.

Differential effectiveness of HF through diagnostic subgroups such as alcohol use and drug use is varied with alcohol use being found to decrease due to the HF programme, but findings relating to other drug use outcomes are varied. As most previous studies used the Addiction Severity Index (ASI) to measure substance use among participants, however, the ASI, a self-reporting measure has unstable criterion validity and can cause under or over reporting of substance use. Structured toxicology or diagnostic assessments of substance use must be used for research instead to assist researchers in making firm conclusions about the reported rates.

The slightly poorer housing outcomes among people who use substances indicate that this group may need more intensive approaches to finding and maintaining housing. Additional services for the group that address comorbid problems and consequences relating to substance use are required. It is suggested that housing should be provided within an integrated model that offers additional support services such as case management as when well matched to clients, case management appears to be an effective intervention among homeless sub-populations, as it reduces substance use, improves quality of life and health outcomes, improves social connectedness and increases housing tenure and satisfaction.

This scoping review concludes that additional research is required to conclusively determine whether HF is an effective intervention for homeless substance users. Future researchers must use formal assessments of substance use and ensure clear reporting of the HF intervention is accomplished. It is recommended for researchers and policymakers to consider the specific needs of the people who use drugs before HF implementation for this population.

This study is a radical interactionist analysis of family conflict. Drawing on both a negotiated order perspective and Athen's theory of complex dominative encounters, this study analyzes the role that domination plays in conflicts among intimates. As the family engages in repeated conflicts over roles, the family also engages in negotiations over the family order, what role each party should play, interpretations of past events, and plans for the future. These conflicts take place against a backdrop of patriarchy that asymmetrically distributes power in the family to determine the family order. The data from this study come from a content analysis of mothers with substance use problems as depicted in the reality television show Intervention. The conflicts in these families reveal that these families develop a grinding family order in which families engaged in repeated conflict but also continued to operate as and identify as a family. These conflicts are shaped by and reinforce patriarchal expectations that mothers are central to family operation. The intervention at the end of each episode offered an opportunity for the family to engage in a concerted campaign to try to force the mother into treatment and reestablish the family order.