Marta Reis

Marta Reis
University of Lisbon | UL · Centro de Estudos de Educação para a Saúde

PhD

About

141
Publications
43,244
Reads
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820
Citations
Citations since 2016
64 Research Items
707 Citations
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2016201720182019202020212022020406080100120140
2016201720182019202020212022020406080100120140
Introduction
Educational Sciences with specialization in Health Education (Doutoramento) Research Assistant at the Environmental Health Institute (ISAMB) Researcher in the area of health and behavior of adolescents and young people. Coordinated by Professor Margarida Gaspar de Matos (Universidade de Lisboa Instituto de Saúde Ambiental, Portugal)
Additional affiliations
May 2008 - present
University of Lisbon
Position
  • Researcher and Clinical Psychologist

Publications

Publications (141)
Article
Full-text available
Sexual activity usually begins during adolescence, and national and international investigations suggest that age at first intercourse and condom use are crucial determinants of sexual health. This study analyzed trends in sexual behavior among adolescents from 2018 to 2021 in the educational region of northern Portugal. The sample consists of 2773...
Article
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To analyze the association between social skills and sexual health in adolescents from a border region. A cross-sectional study carried out with 722 adolescents (328 boys, 394 girls), students from public schools in Foz do Iguaçu in 2016, with an average age of 16 years. Questionnaires were used for data collection. The association of social skills...
Article
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Resumo O presente trabalho tem como objetivo principal a compreensão dos sintomas depressivos na adolescên-cia durante a pandemia COVID-19 numa perspetiva bi-opsicossocial. Participaram no estudo 826 adolescen-tes residentes na área geográfica da Câmara Municipal de Famalicão (Portugal). Os resultados revelaram que dos adolescentes em estudo, 30,7...
Article
Health promotion is defined as the process of enabling people to increase control over and to enhance their health. It focuses on individual behaviors towards a wide range of interventions on social and environmental determinants of health and other health related aspects of life (WHO, 2015; 2017). Thus, health promotion implies the need to promote...
Article
Practicing sexual intercourse (SI) under the influence of alcohol or drugs has been identified as an unhealthy sexual behaviour. The sample consisted of 5695 adolescents, of which 46.1% were males, with a mean age of 15 years old. The measures consisted of asking the adolescent if he or she had ever had SI, age of 1st SI, condom use at last SI, SI...
Article
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Resumo: Este trabalho pretende analisar os cidadãos que viviam em Portugal durante a pandemia COVID-19 2020/2021, a saúde subjetiva, o risco percebido e a perceção relacionada com o surto, a motivação para a proteção e adoção de comportamentos preventivos, e suas expetativas de futuro. Foram incluídos 225 indivíduos, 81,3% do sexo feminino (18-83 a...
Book
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A violência nas escolas é uma realidade que tem vindo a ter uma visibilidade social cada vez maior, e a assumir proporções inquietantes. Este livro foca-se nos conhecimentos essenciais e nas linhas orientadoras da prática profissional, considerados fundamentais para uma intervenção adequada junto desta geração. Explanado o conceito de violência, de...
Book
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A educação em sexualidade pode ser entendida como toda e qualquer experiência de socialização vivida pelo indivíduo ao longo do seu ciclo vital, que lhe permita posicionar-se na esfera social da sexualidade. A educação em sexualidade está presente em todos os espaços de socialização – família, escola, amigos, trabalho, comunidade, media – mas, aind...
Article
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The five C's of Positive Youth Development (competence, confidence, character, caring and connection) have been associated with adaptive development among young people. Gender differences in young people’s wellbeing and mental health have been studied and analysed, but their association with the five C´S is still at the beginning of their investiga...
Article
The academic years are a period of vulnerability when considering sleep problems and mental health. Growing evidence suggests poor sleep patterns are related to impaired academic life and lower psychological well-being. The aim of this study was to explore the importance of sleep habits and report the associations of sleep problems with quality of...
Article
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A positive youth development perspective focuses on recognizing psychosocial strengths and providing social environments that contribute to the adolescent’s development. The study aimed was to analyse the impact of the PYD 5 C´s on Portuguese adolescents in their school environment. Participants were students between 5th grade and 12th grade that a...
Article
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Over the past two decades, it was largely recognized in the literature that youth programs and interventions would have limited impact if they mainly focused on risks and vulnerabilities. Strength-based approaches have been found to be empowering and effective in various contexts and the interest in preventing youth problems and promoting healthy y...
Article
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Humans are social animals, and crave feeling supported, valued and connected. Research shows that social connection provides important benefits to mental health and positive human development. The aim of this study was to explore how social connection helps promote mental health and positive human development and report the associations with the PY...
Article
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The main objective of this study was to validate a construct, the scale of 11 items on the reasons for consuming drugs for a sample of young people in Portugal. It intends to reflect on the main reasons why young people use drugs, as well as whether these are associated with characteristics of youth groups and risk behaviours, such as gender, atten...
Article
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College students' need for mental health care has increased dramatically and this has led to the investigation of this study. A national self-administered questionnaire was carried out among young people in Portugal, between the ages of 18 and 35, with the aim to increase knowledge about the relationship between anxiety, aggression, both long-term...
Article
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A adolescência é um período de importantes transformações mentais e orgânicas e uma das estratégias para a experiência de emoções negativas é a autolesão. O objetivo deste trabalho foi investigar a presença de comportamentos de autolesão em adolescentes e a associação entre a sintomatologia de ansiedade, depressão e a percepção dos adolescentes qua...
Article
Positive Youth Development (PYD) presents a strength-based conception of transition to adulthood that has been well-supported by literature to date. However, research is needed to integrate the pathways to PYD and the possible moderators. This study aimed to analyze the relationships between internal resources for resilience and PYD and to examine...
Article
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A self-administered questionnaire was carried out among young people in Portugal, between the ages of 18 and 24, with the aim to examine determinants influencing condom use at first sexual intercourse, according to the IMB model (Fisher & Fisher, 1992). Young people's level of information, motivation and behavioral skills regarding preventive sexua...
Chapter
The main goal of this national HBSC study was to analyse the frequency of first sexual experience being male-female or same-sex in Portuguese adolescents, and to verify if there are differences between first sexual experience regarding well-being and emotional support. The sample consisted of 5695 adolescents, with an average age of 15 years old. T...
Article
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To analyse sex differences and associations regarding non-suicidal self-injury (NSSI) behaviour and their relationship with other health compromising behaviours. Were inquired 3262 Portuguese adolescents as participants in the context of the Health Behaviour in School-aged Children study/WHO. 20.3% of the adolescents reported at least one NSSI epis...
Article
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The Positive Youth Development (PYD) theory believes that all young people have the potential for healthy and successful development. The aim of this study is to validate the PYD scale for portuguese adolescents. The sample included 384 adolescents (53.4% boys), attending between the 5th and 12th year of schooling levels. The confirmatory factorial...
Article
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Among challenges common to adolescents, desire to explore sexuality limints stands out. Young people may be susceptible to different risks facing this challenge. Sexual risk behaviors include intercourse without condoms, multiplicity of partners, and early pregnancy. The purpose of this study was to provide an empirical contribution to the understa...
Article
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The framework of Positive Youth Development (PYD) arose from a strength‐based conception of the transition to adulthood. Although previous literature has provided evidence for some PYD correlates, little is known about gender differences in PYD and its outcomes in thriving and social engagement, which could improve interventions” effectiveness. Thu...
Presentation
As lesões nos jovens são uma preocupação global de saúde pública. A frequência, gravidade e o potencial de incapacidade e/ou mortalidade das lesões, são um fenómeno com elevados custos associados podendo estar relacionadas a múltiplos fatores. A ocorrência de lesões está frequentemente associada ao consumo de substâncias e ao envolvimento em compor...
Article
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This investigation of the national HBSC study evaluated the prevalence of self-harm behaviors in Portuguese adolescents. Were included 5695 adolescents, of which 46.1% were boys, with a mean age of 15 years. Most of the adolescents are Portuguese (91.7%), 48.6% attend the 8th year, 30.0% the 10th year and 21.4% the 12th year. The measures included...
Article
Full-text available
This investigation of the national HBSC study evaluated the prevalence of self-harm behaviors in Portuguese adolescents. Were included 5695 adolescents, of which 46.1% were boys, with a mean age of 15 years. Most of the adolescents are Portuguese (91.7%), 48.6% attend the 8th year, 30.0% the 10th year and 21.4% the 12th year. The measures included...
Article
Full-text available
O não uso do preservativo e as relações sexuais associadas ao consumo de álcool ou drogas têm sido desde sempre considerados comportamentos sexuais de risco, em particular para os adolescentes. Participaram 5695 adolescentes, dos quais 46,1% são rapazes, com uma média de idades de 15 anos. A maioria dos adolescentes são portugueses, frequentam o 8º...
Article
Full-text available
Self-harm behaviors have been increasing systematically, particularly in adolescents. The national HBSC study evaluated the prevalence of self-harm behaviors and associated risk factors in Portuguese adolescents. The sample consisted of 5695 adolescents, of whom 46.1% were boys, with a mean age of 15 years. The results showed that 18% reported havi...
Article
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The Positive Youth Development-PYD concept highlighted the importance of strengthening internal and external developmental assets in the youth’s contexts. This paper examines the psychometric properties of PYD-Short Form (PYD-SF) and its validation for Portuguese youths. The sample included 2700 college students (73.3% girls), with a mean age of 21...
Article
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Universities are important organizations in what concerns the creation and improvement of health and wellbeing, thus healthy universities represent a key application of the health-promoting settings approach. The healthy Universities concept has a strong theoretical basis, and it appears appealing amongst universities worldwide. However, the way in...
Article
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The Positive Youth Development - PYD concept emphasised the importance of strengthening developmental assets in youth’s networks and contexts. This paper examines the correlation between PYD, healthy lifestyle behaviours and psychosocial variables (self-regulation, resilience, and anxiety); and the impact of PYD and psychosocial variables on health...
Chapter
This chapter purports to challenge the increasingly powerful position of psychiatry as a first-line narrative for understanding refugee youth suffering. Refugee youth are under significant social, cultural, political, and economic pressures as they settle into a receiving country. While some do experience debilitating emotional reactions that requi...
Article
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Sexual orientation is a multidimensional phenomenon, which includes identity, behavior, and attraction. The attraction component, however, is less studied than the other two. In this article, we present the development of a two‐item measure to identify adolescents who prefer same‐ and both‐gender partners for love and dating. The questions were adm...
Article
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This study examined trends in adolescent sexual behaviors from 2002 to 2014 in Portugal. Data were collected using self-reported questionnaires from 8th and 10th graders in classrooms during 2002, 2006, 2010, and 2014. Overall, the prevalence of sexual intercourse, age of sexual initiation, pill use, and sexual intercourse under the influence of al...
Article
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Young people who reported to like school have more positive behaviors associated, including better academic performance and more well-being. This study aims to understand 1) the relationship between liking school and academic ability 2) what young people would like to change in their schools, 3) check the variables that may predict liking school an...
Article
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Resumo Os jovens que referem gostar da escola apresentam mais comportamentos positivos associados, nomeadamente melhor desempenho académico e mais bem-estar. O presente estudo tem como objetivos:1) compreender a relação existente entre o gosto pela escola e capacidade académica, e; 2)o que os jovens gostariam de mudar nas suas escolas; 3) verificar...
Article
Pupils who like school have better academic performance and better perception of health and well-being. This study aims to (1) know the pupils’ views of their schools and their schools’ characteristics, assets and problems and (2) identify the variables that may predict enjoying school. A total of 6026 Portuguese pupils participated in the Health B...
Article
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em>Aims: The aim of this study was to understand the differences between adolescents with and without brothers and sisters, in what concerns to risk behaviours, health and the relationship with their peers and family. Sample: The Portuguese HBSC (Health Behaviour in School-Aged Children) survey included a total of 6026 students where 47.7% were bo...
Article
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Pets are part of many adolescent’s lives. Objectives: To identify in a large national representative sample of Portuguese adolescents (HSBC study), the percentage of adolescents that have pets, what kind of feelings pets provide, differences by gender and age (through school grades) and to verify whether adolescent health, well-being, life satisfac...
Article
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This work analyzed knowledge related to the infection by the human papillomavirus (HPV) in Portuguese adolescents, and identified the influence of demographic variables. Results showed that the majority had low level of knowledge. Boys and adolescents who reported not having had sex education at schools showed significantly less knowledge than girl...
Article
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Background This paper describes the methodological developments of the sexual health items included in the Health Behaviour in School-aged Children (HBSC) study since their mandatory inclusion in the study in 2002. The current methodological, ethical and pedagogical challenges in measuring young people’s sexual health behaviours are discussed along...
Article
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This study goal is to understand the health and risk behaviours in the Portuguese adolescents, across the most relevant Portuguese geographical regions (North, Central region, Lisbon and Great Lisbon, Alentejo and Algarve). Furthermore, we aim to analyse some macroeconomic factors in these different regions and it's relation with the health and ris...
Article
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Research in the area of sexuality has been evolving over the past decades and issues such as gender of identity and attitudes towards homosexuality they have not remained constant over time, due to the deep social and cultural changes that have occurred in recent years. In this sense, we investigated how gender of identity and attitudes towards hom...
Article
This paper presents the conceptual framework from a nationwide implementation of the Dream Teens project in the context of Portugal’s economic recession. This project used an innovative Positive Youth Development (PYD) approach that engaged Portuguese youth (11-18 years) through social media, and provided a framework for their voices to be heard wh...
Article
The aim of this study was to understand adolescents’ worries and the strategies used to face them, and what makes them feel good. In this study, 3869 adolescents participated, of which 46.8% boys, attending grades 8 and 10, mean age 14.7 years, SD = 1.18, included in the Portuguese Health Behaviour in School-Aged Children survey 2014. In the first...
Article
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A self-administered questionnaire was carried out among university students in Portugal, with the aim to have better knowledge of students' (a) sexual behaviours and contraception use and identify trajectories that lead to pregnancy or voluntary interruption of pregnancy (VIP). The study provided national representative data of 3.278 university stu...
Article
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Globally, cervical cancer is the fourth leading cause of death for women and is usually associated with infection by the human papillomavirus (HPV). To analyse knowledge related to HPV in Portuguese adolescents, and identify the influence of gender, school year, having had sexual education/sexual intercourse in adolescents’ knowledge of HPV. The 20...
Article
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Examining equivalence in the interpretation of survey items on sexual assault by participants from different cultures is an important step toward building a valid international knowledge base about the prevalence of sexual aggression among young adults. Referring to the theoretical framework of contextualism, this study presents qualitative data fr...
Article
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The present work aims to analyze the influence of alienation in wellbeing and risk behaviors among adolescents. The sample used was a group of adolescents that participated in the Portuguese survey of the European study Health Behavior in School-aged Children (HBSC). The Portuguese survey included students from grades 6, 8 and 10 within the public...
Article
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Overview: This study goal is to understand the evolution of health and risk behaviours in the Portuguese adolescents since 1998 to 2014 with a special focus on the Portuguese economic crisis. Methods: This study includes adolescents who are part of the HBSC project/study-Health Behaviour in School-aged Children since 1998 in Portugal, s 28 987 youn...
Article
Full-text available
Sexual activity is often initiated during the adolescent period, and previous research suggests that the age of first sexual intercourse and condom use are crucial determinants of later sexual health. This study examined trends in adolescent sexual behaviours from 2002 to 2010 in 20 countries across four geographical regions of Europe. Data were co...