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This volume comes at a critical juncture, as global commitments transition from the Millennium Development Goals to Sustainable Development Goals and the wider post-2015 development agenda is being discussed and debated. In these discussions, children and youth have been recognized as one of the nine major groups of civil society whose participation in decision making is essential for achieving sustainable development. There is also a concomitant need for action? innovative, evidence-based approaches to addressing entrenched global challenges or \"wicked problems\" and engaging youth in those efforts. Within academic discourse, the perspectives and active participation of youth in research has long been debated. It is widely believed that their participation can result in better policy responses and contribute to the development of more relevant and effective interventions and programs to address their needs. However, the engagement of youth in research processes is not without critique; issues such as how to move from tokenism towards authentic participation and empowerment have been critically discussed, and many question if youth can or should even be expected to make change happen.

Nudging, a strategy that uses subtle stimuli to direct people's behavior, has recently been included as an effective and low-cost behavior change strategy in low- and middle- income countries (LMIC), targeting behavior-based prevention and control of neglected tropical diseases (NTDs). The present scoping review aims to provide a timely overview of how nudge interventions have been applied within this field. In addition, the review proposes a framework for the ethical consideration of nudges for NTD prevention and control, or more broadly global health promotion. A comprehensive search was performed in several databases: MEDLINE, PsycINFO, and Embase (Ovid), Web of Science Core Collection, CINAHL, ERIC and Econ.Lit (EBSCO), as well as registered trials and reviews in CENTRAL and PROSPERO to identify ongoing or unpublished studies. Additionally, studies were included through a handpicked search on websites of governmental nudge units and global health or development organizations. This scoping review identified 33 relevant studies, with only two studies targeting NTDs in particular, resulting in a total of 67 nudge strategies. Most nudges targeted handwashing behavior and were focused on general health practices rather than targeting a specific disease. The most common nudge strategies were those targeting decision assistance, such as facilitating commitment and reminder actions. The majority of nudges were of moderate to high ethical standards, with the highest standards being those that had the most immediate and significant health benefits, and those implemented by agents in a trust relationship with the target audience. Three key recommendations should inform research investigating nudge strategies in global health promotion in general. Firstly, future efforts should investigate the different opportunities that nudges present for targeting NTDs in particular, rather than relying solely on integrated health promotion approaches. Secondly, to apply robust study designs including rigorous process and impact evaluation which allow for a better understanding of 'what works' and 'how it works'. Finally, to consider the ethical implications of implementing nudge strategies, specifically in LMIC.

Adolescents and youth (AY) in the Democratic Republic of Congo (DRC) face significant sexual and reproductive health (SRH) challenges and require access to quality health services. This study assesses the feasibility, acceptability, and effectiveness of a package of interventions to improve the performance of health workers (HWs) providing SRH services to AY in the DRC. This mixed-methods process and outcome evaluation was conducted between January and July 2021 in 30 health facilities in Mbuji-Mayi and Kinshasa. Data were collected through interviews with 25 health facility managers, surveys of 54 HWs, focus groups with 29 HWs, and interviews with 16 AY mystery clients and 18 female AY (10-24 years) health facility service users. Qualitative and quantitative data were analyzed using thematic content analysis and descriptive statistics respectively. Health facility managers reported that the package of interventions was feasible to implement, with concerns about resource shortcomings which were outside the scope of the implementation. From both quantitative and qualitative findings, health facility managers and HWs perceived the package of interventions as acceptable and effective in improving HW competencies, building positive attitudes towards providing SRH services to AY, building HW motivation, and fostering an enabling work environment as illustrated by improved communication, mentorship and constructive feedback between managers and HWs, and motivation, confidence and collaboration among HWs. AY clients reported overall satisfaction with the services they received, but some reported experiencing inappropriate comments and judgmental attitudes. The package of interventions was perceived as feasible and acceptable by health facility managers and HWs, and effective in improving HW knowledge, skills, attitudes and motivation, and ultimately in providing SRH services to AY. Future efforts are needed to validate the findings in different contexts and with other professionals, e.g. teachers, and to strengthen and amplify the package of interventions.

Background Evidence suggests that in spite of some adolescents being sexually active, many parents do not discuss sex-related issues with them due to lack of age-appropriate respectful vocabulary and skills. The likelihood of parent-adolescent communication improving sexual and reproductive health outcomes appears plausible. The desire to understand parent-adolescent communication and how to improve it for promotion of healthy sexual behaviours inspired this research. The paper is meant to describe perceptions of adolescents, parents and school administrators about parent-adolescent communication on sexual issues; describe the content of such communication and identify factors that influence this communication. Methods The study was done among two urban and two rural secondary school students in their second year of education. Data were collected from 11 focus group discussions and 10 key Informants Interviews. Data management, analysis and interpretation followed thematic analysis principles. Illuminating verbatim quotations are used to illustrate findings. Results Parental warmth and acceptability of children was perceived by parents to be foundational for a healthy adolescent- parent communication. Perceptions of adolescents tended to point to more open and frequent communication with mothers than fathers and to cordial relationships with mothers. Fathers were perceived by adolescents to be strict, intimidating, unapproachable and unavailable. While adolescents tended to generally discuss sexual issues with mothers, male adolescents communicated less with anyone on sex, relationships and condoms. Much of the parent-adolescent communication was perceived to focus on sexually transmitted infections and body changes. Discussions of sex and dating with adolescents were perceived to be rare. Common triggers of sexuality discussions with female adolescents were; onset of menstruation and perceived abortion in the neighbourhood. Discussion with male adolescents, if it occurred was perceived to be triggered by parental suspicion of having female ‘friends’ or coming home late. Peers at school and mass media were perceived to the main source of sexuality information. Conclusions Communication on sexuality issues between parents and their adolescent children was infrequent and critical elements like sex and specifics of protection against undesirable sexual behaviour consequences were avoided. Peers, schools and mass media should be creatively harnessed to improve parent-adolescent communication about sexuality issues.

Background Diarrheal disease is a major cause of mortality and morbidity in low and middle income countries with children being disproportionately affected. Project SHINE (Sanitation & Hygiene INnovation in Education) is a grassroots participatory science education and social entrepreneurship model to engage youth and the wider community in the development of sustainable strategies to improve sanitation and hygiene. Methods Based in rural and remote Tanzania, this pilot study engaged pastoralist high-school students and communities in the development and evaluation of culturally and contextually relevant strategies to improve sanitation and hygiene. Using a train-the-trainer approach, key activities included teacher workshops, school-based lessons, extra-curricular activities, community events and a One Health sanitation science fair which showcased projects related to water, sanitation and hygiene in relation to human and animal health. The process and outcome of the study were evaluated through qualitative interviews and focus group discussions with diverse project participants, as well as pre- and post- questionnaires completed by students on knowledge, attitudes and practices concerning sanitation and hygiene. Results The questionnaire results at baseline and follow-up showed statistically significant improvements on key measures including a decrease in unhygienic behaviors, an increase in the perceived importance of handwashing and intention to use the toilet, and increased communication in the social network about the importance of clean water and improved sanitation and hygiene practices, however there were no significant changes in sanitation related knowledge. Qualitative data highlighted strong leadership emerging from youth and enthusiasm from teachers and students concerning the overall approach in the project, including the use of participatory methods. There was a high degree of community engagement with hundreds of community members participating in school-based events. Sanitation science fair projects addressed a range of pastoralist questions and concerns regarding the relationship between water, sanitation and hygiene. Several projects, such as making soap from local materials, demonstrate potential as a sustainable strategy to improve health and livelihoods in the long-term. Conclusions The Project SHINE model shows promise as an innovative capacity building approach and as an engagement and empowerment strategy for youth and communities to develop locally sustainable strategies to improve sanitation and hygiene.

During its last funding cycle from 2018-2020, the Global Fund in collaboration with the Ministry of Health, World Health Organization, and implementing partners Cordaid and Santé Rural (SANRU), implemented a multi-sectoral, contextualized approach to improve the sexual and reproductive health of adolescent girls and young women in two regions in the Democratic Republic of the Congo, which included community-based, school-based and health facility-based actions. This implementation research focuses on the health-facility component. The objective of this research is to evaluate the feasibility, acceptability, and effectiveness of a package of interventions to improve health workers' knowledge, skills, and attitudes in providing sexual and reproductive health services to adolescents, whilst concomitantly creating an enabling work environment for building health workers' motivation. The package includes a combination of job descriptions, training and refresher training, desk reference tools, and collaborative learning. The package did not focus on improving amenities, providing or repairing equipment, or providing medicines and supplies. The underlying theoretical framework informing the project and the implementation research draws from Social Network Theory, Diffusion of Innovations and Normalization Process Theory. Qualitative and quantitative process and outcome data from in-depth interviews and focus group discussions with health workers and health managers, field notes, monitoring reports, costing sheets, and health worker surveys, adolescent mystery client assessments, and exit interviews with adolescents will be collected as part of a time-series study. The findings from this implementation research will be utilized to inform future adaptations and/or scale-up of the package of interventions to improve health worker motivation and performance in the Democratic Republic of the Congo and elsewhere. The findings will also contribute to advancing the use of theoretical approaches within the field of implementation research.

Use of human excreta as fertilizer is not a new concept. However, with the use of the modern water-flush toilet, human excreta becomes mixed with water and causes environmental pollution. To reemphasize the nutritional value of human urine in the field, a urine diversion toilet was constructed in a community school situated in Kavre, Nepal. The purpose of establishing the urine diversion toilet is to improve hygiene outcomes through promoting proper sanitation and transforming the school community’s regular practice and attitudes towards urine as a resource. To ensure effective implementation of the urine diversion toilets, intervention mapping was used as a guiding framework. The aim of this paper is to document how the urine diversion toilet was planned and implemented in the school and how the urine diversion toilet was connected with the curriculum to address concerns regarding water, sanitation, and hygiene with a focus on sustainability through intervention mapping. This study highlights the benefits of intervention mapping as a systematic and step-by-step process for the planning and implementation of the urine diversion toilet. This study also highlights the benefits of connecting urine diversion toilets with school gardening, and engaging with local government and other stakeholders about the value of the approach.

Water, sanitation, and hygiene are issues of substantial public health importance. Community-based participatory research approaches such as photovoice can help explore and identify determinants that influence sanitation and hygiene-related behaviours. This study aimed to use photovoice as part of the formative research process to increase understanding of youth’s perceptions of the cultural and contextual factors that influence sanitation and hygiene-related behaviours in Thirumalaikodi, India. First, a school was recruited using convenience sampling; next, 10 participants were purposively selected to participate in an information meeting, seven photo discussion sessions, and one wrap-up session over a three-week period. In each photo discussion session, participant groups selected one ‘trigger’ photograph, and through a structured discussion using SHOWED mnemonic questions (a series of questions that ask participants to describe and reflect upon a chosen photograph), generated a new understanding of issues related to water, sanitation, and hygiene. All sessions were audio-recorded and transcribed verbatim. Conventional content analysis was used to analyse photo discussion session text. Findings revealed that factors such as social structure, education, and culture influence behaviours that determine the sanitary conditions of an individual’s private and public spaces. Furthermore, participants described how descriptive norms generated practices (e.g. littering) that were reinforced and maintained by limited access to waste management systems, attitudinal indifference, and generational beliefs. Findings yielded an in-depth understanding of youth’s perceptions of the cultural and contextual factors that influence sanitation and hygiene-related behaviours. This study also contributes to the advancement of participatory applications in formative research and intervention adaptation processes.

Background: In low- and middle-income countries, women and girls experience menstrual hygiene management-related health and social challenges such as urinary tract infections, social stigma, and school and workplace absenteeism. Purpose: In this study, we sought to explore how adolescent girls in rural Thirumalaikodi, Tamil Nadu, India experience menarche and menstruation, how their experiences connect to the sociocultural context, and what strategies they use to manage menstruation. This study also informed the adaptation and development of a school-based water, sanitation, and hygiene intervention. Methods: We conducted ten semi-structured qualitative interviews with adolescent girls in ninth standard from June-July 2018. Data were analysed using a thematic network approach. Results: Findings revealed that menarche inaugurates biological transitions of puberty and cultural codes that shape gender norms. Gender norms in turn generate, maintain, and reproduce stigmatizing attitudes, beliefs, and practices that influenced the development of coping mechanisms at home and at school. Resulting adaptations to the intervention consisted of two activities (school lesson and an extracurricular activity) that address knowledge gaps and myths. Conclusions: This study demonstrates the importance of qualitative research in unpacking adolescent girls' experiences with menarche and menstruation. Study findings also show how formative research can contribute to the adaptation and development of a contextually and culturally-relevant water, sanitation, and hygiene intervention.