The impact of patient and public involvement in chronic respiratory disease research: the ConectAR experience.

ConectAR has demonstrated the feasibility and value of involving patients with chronic respiratory diseases and caregivers as co-researchers, actively considering their perspectives from project inception to implementation and dissemination https://bit.ly/3Oq13se.

Severe Hemolytic Anemia: Atypical Presentation of Cobalamin Deficiency.

Two severe cases of hemolytic anemia are described in different pediatric age groups, both linked to severe cobalamin deficiency from distinct causes. The first case refers to an exclusively breastfed infant with vitamin deficit secondary to maternal impaired absorption. Apart from the neurological deficits present at diagnosis, he also presented with infantile epileptic spasms syndrome a few months after treatment while having normal cobalamin serum levels. The second case refers to an adolescent with long-term inadequate intake. The occurrence of severe hemolytic anemia in cobalamin deficiency is exceptionally rare.

Assessing the Hands-on Usability of the Healthy Jeart App Specifically Tailored to Young Users.

BACKGROUND: The widespread adoption of mobile devices by adolescents underscores the potential to harness these tools to instill healthy habits into their daily lives. An exemplary manifestation of this initiative is the Healthy Jeart app, crafted with the explicit goal of fostering well-being. METHODOLOGY: This study, framed within an applied investigation, adopts an exploratory and descriptive approach, specifically delving into the realm of user experience analysis. The focus of this research is a preliminary examination aimed at understanding users' perceived usability of the application. To glean insights, a comprehensive questionnaire was administered to 101 teenagers, seeking their evaluations on various usability attributes. The study took place during 2022. RESULTS: The findings reveal a considerable consensus among users regarding the evaluated usability aspects. However, the areas for improvement predominantly revolve around managing the information density, particularly for a subset of end users grappling with overwhelming content. Additionally, recommendations are put forth to streamline the confirmation process for user suggestions and comments. CONCLUSION: This analysis illuminates both the strengths of the app and areas ripe for refinement, paving the way for a more user-centric and efficacious Healthy Jeart application.

Public involvement in chronic respiratory diseases research: A qualitative study of patients', carers' and citizens' perspectives.

INTRODUCTION: Patient and public involvement (PPI) initiatives involving patients with chronic respiratory disease (CRD) are rare. Therefore, this study aimed to explore the perspectives of patients with CRD, carers and interested citizens regarding the relevance and need for a PPI network and suggestions for its implementation. METHODS: A qualitative study based on focus groups was conducted. Recruitment occurred through invitations on social media platforms and to patients who have participated in previous asthma studies of the team. Three focus groups were conducted, via video conference, using a semi-structured guide. Thematic analysis was performed by two independent researchers and discussed with the extended team. RESULTS: Fifteen patients with CRD, one carer and one interested citizen (13 females, median 36 (range: 18-72) years) participated. All participants acknowledged the importance of implementing a collaborative network and demonstrated interest in being integrated. Participants acknowledged the importance of their involvement in several phases of the research cycle. The main aim identified for this network was to facilitate communication between patients and researchers. Participants regarded the integration of patients, carers, researchers and healthcare professionals from different scientific areas as relevant. The use of digital platforms to attract members and support the work, together with group dynamics and regular meetings, were some of the most relevant practical considerations for implementing the network. The identified facilitators for their engagement were sharing experiences, researchers' and healthcare professionals' support and feedback and schedule flexibility. The identified barriers included the amount of time dedicated, low health/digital literacy and the potential detachment of nondiagnosed patients or those with low symptom impact in daily life. CONCLUSION: Patients, carers and citizens acknowledged the relevance of implementing a collaborative network and demonstrated interest in active participation in every stage of the health research cycle. A deeper knowledge of the barriers and facilitators identified in this study could support implementing these initiatives in Portugal. PATIENT OR PUBLIC CONTRIBUTION: This study was designed by a research team that included one patient with asthma and one carer. They were specifically involved in building the study protocol and the interview guide. They also gave feedback regarding the electronic consent form and the short sociodemographic questionnaire created, namely by removing noncontributing words or phrases and rewording expressions. The lay summary was written by another patient with asthma. All participants of this study were invited to implement and integrate the ConectAR network-a collaborative network of research in respiratory health. PUBLIC SUMMARY: In Portugal, chronic respiratory patients do not have an active role as 'coinvestigators'. This study aimed to acknowledge if patients and citizens considered a patient and public involvement network useful, whose main purpose would be to facilitate communication between patients and researchers. A study based on online group interviews was carried out with patients with chronic respiratory diseases and interested citizens, both recruited on social media platforms. Participants considered that bringing together patients, carers, researchers and healthcare professionals is valuable because sharing different experiences and perspectives may help patients to improve their daily lives and increase research quality. In conclusion, patients agree that implementing a collaborative network with researchers and healthcare professionals and participating in the health research cycle is quite preponderant. Acknowledging what can help and deter this network may be beneficial to implementing this type of initiative in Portugal.

A Comparative Study on the Quality of Life of Survivors of Stroke and Acute Myocardial Infarction.

BACKGROUND: Worldwide, cardiovascular diseases, particularly acute myocardial infarction and strokes, lead to significant fatalities. Survivors often experience profound impacts on various aspects of their lives, making the assessment of their Quality of Life crucial for understanding their condition and adaptation to the illness. METHODS: A community-based, descriptive cross-sectional study was conducted to compare how survivors of stroke and acute myocardial infarction perceive their Quality of Life. The Portuguese version of the World Health Organization Quality of life instrument was administered to 204 acute myocardial infarction and stroke survivors. Clinical and sociodemographic variables were also compared. RESULTS: Statistically significant differences (p < 0.05) were noted in overall, physical, and psychological aspects of Quality of Life between the two groups, with stroke survivors consistently showing lower values in these dimensions. CONCLUSIONS: The Quality-of-Life perception of stroke and acute myocardial infarction survivors may be affected by several sociodemographic and clinical factors, and the results support the idea that the vascular event conditions the person's Quality of Life, particularly in variables related to the person's physical condition, functionality, and autonomy.

Journalistic media and adolescents in the COVID-19 pandemic: a documental analysis / Mídia jornalística e os adolescentes na pandemia da COVID-19: uma análise documental

ABSTRACT Objective: To analyze how the journalistic media has described the issues of quality of life (QoL), physical activity (PA) and mental health (MH) of adolescents during the COVID-19 pandemic. Methods: This is a descriptive and qualitative study that used content analysis. Sixty-two journalistic publications were analyzed from a total of 8211 published by the most read newspapers in each Brazilian region between December 2019 and August 2021. Results: The results were grouped and evaluated in three categories: QoL (n=11), PA (n =9) and MH (n=42). In the analyzed period, the adolescents had more time of exposure to screens, contributing to an inadequate diet, a decrease in PA and impairments in QoL. According to the media publications, the pandemic has also contributed to an increase in anxiety, depression, loneliness and fear resulting from the mental and emotional disorganization caused by the abrupt change in routine. Social vulnerability was presented as an aggravating factor in this context. The journalistic media did not pay the necessary attention to adolescents regarding the negative consequences of the pandemic on QoL, PA and MH. Conclusions: The analyzed reports showed that the pandemic caused a decrease in social interaction, feelings of uncertainty, fear and the appearance/exacerbation of symptoms of anxiety, stress and depression. Social vulnerability was presented as another obstacle to be faced in this problem.

RESUMO Objetivo: Analisar como a mídia jornalística tem descrito as questões de qualidade de vida (QV), atividade física (AF) e saúde mental (SM) de adolescentes durante a pandemia da COVID-19. Métodos: Trata-se de um estudo descritivo e qualitativo que utilizou a análise de conteúdo. Foram analisadas 62 publicações jornalísticas do total de 8.211 veiculadas pelos jornais mais lidos de cada região brasileira entre dezembro de 2019 e agosto de 2021. Resultados: Os resultados foram agrupados e avaliados em três categorias: QV (n=11), AF (n=9) e SM (n=42). No período analisado as publicações jornalísticas sugerem que os adolescentes apresentaram maior tempo de exposição a telas, contribuindo para uma alimentação inadequada, diminuição da AF e prejuízos na QV. A pandemia também contribuiu com aumento da ansiedade, depressão, solidão e medo resultantes da desorganização mental e emocional causada pela mudança abrupta de rotina. A vulnerabilidade social apresentou-se como um fator agravante nesse contexto. As mídias jornalísticas não deram a atenção necessária aos adolescentes no que se refere às consequências negativas da pandemia na QV, AF e SM. Conclusões: As reportagens analisadas mostraram que a pandemia causou diminuição na interação social, sentimentos de incerteza, medo e o aparecimento/exacerbação de sintomas de ansiedade, estresse e depressão. A vulnerabilidade social apresentou-se como mais um obstáculo a ser enfrentado nesta problemática.

Journalistic media and adolescents in the COVID-19 pandemic: a documental analysis.

OBJECTIVE: To analyze how the journalistic media has described the issues of quality of life (QoL), physical activity (PA) and mental health (MH) of adolescents during the COVID-19 pandemic. METHODS: This is a descriptive and qualitative study that used content analysis. Sixty-two journalistic publications were analyzed from a total of 8211 published by the most read newspapers in each Brazilian region between December 2019 and August 2021. RESULTS: The results were grouped and evaluated in three categories: QoL (n=11), PA (n =9) and MH (n=42). In the analyzed period, the adolescents had more time of exposure to screens, contributing to an inadequate diet, a decrease in PA and impairments in QoL. According to the media publications, the pandemic has also contributed to an increase in anxiety, depression, loneliness and fear resulting from the mental and emotional disorganization caused by the abrupt change in routine. Social vulnerability was presented as an aggravating factor in this context. The journalistic media did not pay the necessary attention to adolescents regarding the negative consequences of the pandemic on QoL, PA and MH. CONCLUSIONS: The analyzed reports showed that the pandemic caused a decrease in social interaction, feelings of uncertainty, fear and the appearance/exacerbation of symptoms of anxiety, stress and depression. Social vulnerability was presented as another obstacle to be faced in this problem.

Assessment of Levels of Anxiety and Fear of Covid-19 in a Population of Pregnant Women in Spain.

Objective: The aim of the study was to assess the levels of fear and anxiety in the particularly vulnerable population group of women during pregnancy. Methods: Cross-sectional study between March 2022 and July 2022 involving 978 pregnant women aged 16 to 50 years. It was carried out based on the scale for the assessment of fear and anxiety in pregnant women (AMICO_Pregnant) and the collection of sociodemographic data. Normality analysis was performed prior to univariate and bivariate statistical analysis. Results: The sample was composed of a total of 978 pregnant women. The mean of the AMICO_Pregnant scale was intermediate (5.04 points; SD=2.36). The bivariate analysis showed a statistically significant relationship between the AMICO_Pregnant scale and the following variables: vaccination schedule status, contact with the disease, weeks of gestation, altered delivery or birth plan. Conclusion: Women with pregnancies closer to term, with no contact with the disease, without a complete vaccination schedule, or who had undergone changes in their delivery or birth plans, showed higher levels of fear and anxiety.

Patient-Safety Culture among Emergency and Critical Care Nurses in a Maternal and Child Department.

INTRODUCTION: The quality of healthcare has multiple dimensions, but the issue of patient safety stands out due to the impact it has on health outcomes, particularly on the achievement of the Sustainable Development Goals (SDGs), expressly SDG3. In the services that we propose to study, the patient-safety culture had never been evaluated. AIM: To evaluate nurses' perceptions of the patient-safety culture in the Emergency and Critical Care Services of the Maternal and Child Department of a University Hospital and to identify strengths, vulnerabilities, and opportunities for improvement. METHODS: This an exploratory, cross-sectional study with a quantitative approach, using the Hospital Survey on Patient Safety Culture as an instrument for data collection. The population were all nurses working in the emergency and critical care services of the maternal and child-health department, constituted, at the time of writing, by 184 nurses, with a response rate of 45.7%. RESULTS: Applying the guidelines from the Agency for Healthcare Research and Quality (AHRQ), only teamwork within units had a score greater than 75%. For this reason, it is considered the strength (fortress) in the study. The lowest-rated were non-punitive responses to errors and open communication. CONCLUSION: The overall average percentage score is below the benchmark of the AHRQ, indicating that issue of patient safety is not considered a high priority, or that the best strategies to make it visible have not yet been found. One of the important implications of this study is the opportunity to carry out a deep reflection, within the organization, that allows the development of a non-punitive work environment that is open to dialogue, and that allows the provision of safe nursing care.

Single breath counting technique to assess pulmonary function: a systematic review and meta-analysis.

Pulmonary function is usually assessed by measuring Vital Capacity (VC) using equipment such as a spirometer or ventilometer, but these are not always available to the population, as they are relatively expensive tests, difficult to transport and require trained professionals. However, the single breath counting technique (SBCT) appears as a possible alternative to respiratory function tests, to help in the pathophysiological understanding of lung diseases. The objective is to verify the applicability of the SBCT as a parameter for evaluating VC. This is a systematic review registered in the International Prospective Register of Systematic Reviews (CRD42023383706) and used for PubMed®, Scientific Electronic Library Online, LILACS, EMBASE, and Web of Science databases of articles published until January 2023. Methodological quality regarding the risk of bias was assessed using Quality Assessment of Diagnostic Accuracy Studies-2 and National Institutes of Health tools. Eleven of a total of 574 studies were included, of these, nine showed a correlation between VC and SBCT (weak in healthy, moderate in neuromuscular and strong in hospitalized patients). One study of hospitalized patients accurately identified a count value of 21 for a VC of 20 ml kg-1(Sensitivity = 94% and Specificity = 77%), and another estimated a count lower than 41 for a VC below 80% of predicted in patients with neuromuscular dystrophy (Sensitivity = 89% and Specificity = 62%), and another showed good intra and inter-examiner reproducibility in young, adult, and elderly populations. A meta-analysis of three studies showed a moderate correlation in subjects with neuromuscular diseases (r= 0.62, 95% CI = 0.52-0.71,p< 0.01). A high risk of bias was identified regarding the justification of the sample size and blinding of the evaluators. SBCT has been presented as an alternative to assess VC in the absence of specific equipment. There is a clear relationship between SBCT and VC, especially in neuromuscular and hospitalized individuals. New validation studies conducted with greater control of potential bias risks are necessary.

Presenteeism and mental health of workers during the COVID-19 pandemic: a systematic review.

Background: A large number of workers attend work despite being ill. Attending work during sickness can have a number of consequences for the worker (e.g., worsening of physical and mental condition), for co-workers, and for the company, and for service users. Objectives: The aim of this study was to assess the factors influencing presenteeism and mental health of workers during the COVID-19 pandemic. Methods: A systematic review following the PRISMA format was conducted in the PubMed, Scopus, Web of Science (WoS), Cumulative Index to Nursing and Allied Health Literature (CINAHL), PsycInfo, and ScienceDirect electronic databases in January 2023, using the following key words: Presenteeism, Mental Health, and COVID-19. The eligibility criteria applied were original articles published in English, Spanish, French, German, and Portuguese, workers during the COVID-19 pandemic (data collection date: January 01, 2020 - January 01, 2023), and articles assessing at least one measure of presenteeism and mental health status. Methodological quality was assessed using the critical appraisal tools of the Joanna Briggs Institute. The followed protocol is listed in the International Prospective Register of Systematic Reviews (PROSPERO) with code CRD42023391409. Results: A total of 25 studies were included in this review recruiting a total of 164,274 participants. A number of factors influencing mental health and sickness presenteeism were identified: (1) mental health-related factors (burnout [in 4 studies], stress [in 9 studies], depression [in 1 study], fear of COVID-19 [in 1 study], no well-being [in 2 studies], etc.); (2) individual factors (health status [in 1 study], being young [in 1 study], workers who experienced interrupted medical care [in 2 studies], having a chronic disease [in 1 study], etc.); (3) factors related to the situation caused by COVID-19 (confinement, symptoms, loss of contract, risk of bankruptcy, etc. [in 1 study each one]); and (4) factors derived from working conditions (organisational support [in 1 study], patient care [in 1 study], work functioning or task performance impairment [in 4 studies], work fatigue [in 2 studies], safety climate [in 1 study], workload [in 1 study], etc.). Conclusion: Identifying the key determinants of presenteeism and understanding the phenomena and origins of sickness presenteeism will help to create a safe working environment and optimal organisational systems to protect vulnerable workers in a pandemic context. Systematic review registration: The unique identifier is CRD42023391409.

Is there cardiac autonomic dysfunction in children and adolescents with exercise-induced bronchospasm?

BACKGROUND: The pulmonary impairment in patients with bronchoconstriction induced by eucapnic voluntary hyperpnea(EVH) goes beyond the respiratory system, also impairing autonomic nervous modulation. This study aimed to evaluate the behavior of cardiac autonomic modulation in young asthmatics with and without EIB after the EVH test. RESEARCH DESIGN AND METHODS: A cross-sectional study design using 54 asthmatics(51.9% female), aged between 10 and 19 years, investigated with the EVH test. Forced expiratory volume in one second(FEV1) was measured at 5, 10, 15, and 30 min after EVH. Heart rate variability(HRV) measures of time were assessed pre and 30 min-post EVH. The diagnosis of Exercise-Induced bronchoconstriction with underlying clinical asthma(EIBA) was confirmed by a fall in FEV1 ≥10% compared to baseline. RESULTS: Thirty(55.5%) asthmatics had EIBA. Subjects with EIBA have reduced mean of the R-R intervals in relation to baseline until 15 minutes after EVH. Individuals without EIBA had increased parasympathetic activity compared to baseline(rMSSD) from 5 min after EVH(p < 0.05). This parasympathetic activity increase in relation to baseline was seen in individuals with EIBA after 25 minutes (rMSSD = 49.9 ± 5.3 vs 63.5 ± 7.2, p < 0.05). CONCLUSION: Young asthmatics with EIBA present a delay in the increase of the parasympathetic component after EVH when compared to asthmatics without EIBA.

The Impact of Transformational Leadership Style on Nurses' Job Satisfaction: An Integrative Review.

Introduction: The argument about whether leadership style affects nurses' job satisfaction is centered around the impact of different leadership styles on the work environment and the quality of care provided by nurses. Therefore, this review was primarily aimed at assessing the impact of transformational leadership style on the job satisfaction of hospital nurses. Methods: This is an integrative review conducted according to the Whittemore and Knafl's framework. Comprehensive literature searches were conducted in PubMed, MEDLINE, CINAHL, Web of Science, Research4Life, and APA PsychInfo. In addition, studies were included through hand-searching from different sources of grey literature and a reference list of identified articles. All English articles published between 2012 and 2023 reporting the impact of transformational leadership style on nurses' job satisfaction were eligible for inclusion. Results: Seventeen articles were included in the review, of which 16 were cross-sectional studies, while one was mixed. The majority (n = 12) of the studies were conducted in at least two or more healthcare settings, with a total of 5841 nurses. Almost all (n = 16) articles reported the positive influence of transformational leadership on nurses' job satisfaction. In addition, the transformational leadership style was reported to have a positive impact on nurses' intentions to stay at work, quality care, and patient outcomes. Conclusion: By adopting a transformational leadership approach within clinical environments, there is a potential to boost nurses' job satisfaction.

Preliminary short-term outcomes of rapid maxillary expansion on periodic limb movements during sleep in pediatric sleep-disordered breathing.

OBJECTIVE: To assess the short-term outcome of rapid maxillary expansion (RME) on periodic limb movement disorder (PLMD) in children with residual snoring after late adenotonsillectomy (AT). METHODS: This prospective clinical trial included 24 patients treated with rapid maxillary expansion (RME). Participants' inclusion criteria were children with maxillary constriction aged 5-12 years who had AT for more than two years and those whose parents/guardians reported that they still snored ≥4 nights per week. Of which 13 had primary snoring, and 11 had OSA. All patients underwent laryngeal nasofibroscopy evaluation and complete polysomnography. The Quality of life (QOL) Questionnaire (OSA-18), the Pediatric Sleep Questionnaire (PSQ), the Conners Abbreviated Scale (CAE), and the Epworth Sleep Scale (ESS) were applied before and after palatal expansion. RESULTS: The OSA 18 domain, PSQ total, CAE, and ESS scores were significantly reduced in both groups (p < 0.001). There was a decrease in PLMS indices. In the total sample, the mean decreased significantly from 4.15 to 1.08. In the Primary Snoring group, the mean decreased from 2.64 to 0.99; in the OSA group, the average decreased significantly from 5.95 to 1.19. CONCLUSION: This preliminary study suggests that the improvement of PLMS in the OSA group with maxillary constriction is correlated with a favorable neurological impact of the treatment. We suggest a multi-professional approach to the treatment of sleep disorders in children.

Anxiety and Depression in the Initial Stage of the COVID-19 Outbreak in a Portuguese Sample: Exploratory Study.

BACKGROUND: In previous studies, it was found that the confinement to which the population was subjected during the quarantine of the COVID-19 pandemic increased the risk of anxiety and depression. OBJECTIVE: to analyze the levels of anxiety and depression symptoms in Portugal residents during the quarantine of the COVID-19 pandemic. METHODS: This is a descriptive, transversal, and exploratory study of non-probabilistic sampling. Data collection was carried out between 6th and 31st of May 2020. Sociodemographic and health questionnaires PHQ-9 and GAD-7 were used. RESULTS: The sample consisted of 920 individuals. The prevalence for depressive symptoms (PHQ-9 ≥ 5) was 68.2% and (PHQ-9 ≥ 10) was 34.8%, and for anxiety symptoms (GAD-7 ≥ 5) was 60.4% and (GAD-7 ≥ 10) was 20%. Depressive symptoms were moderately severe for 8.9% of the individuals, and 4.8% presented severe depression. Regarding the generalized anxiety disorder, we found that 11.6% of individuals present moderate symptoms, and 8.4% severe anxiety symptoms. CONCLUSIONS: The prevalence of depressive and anxiety symptoms were substantially higher than those previously found for the Portuguese population and when compared with other countries during the pandemic. Younger individuals, female, with chronic illness and medicated, were more vulnerable to depressive and anxious symptoms. In contrast, participants who maintained frequent levels of physical activity during confinement had their mental health protected.

Gender and Tobacco Consumption among University Students.

In 2019, an estimated 155 million people aged between 15 and 24 were smokers. It is also known that 82.6% of current smokers started smoking between 14 and 25 years old. Tobacco uses in adolescents and young adults can lead to the development of serious and potentially life-threatening health problems. The aim of the present investigation is to identify and describe the practices related to the consumption of tobacco products and their distribution according to gender among students at the University of Algarve. This is an exploratory, cross-sectional study with a quantitative approach. For inferential statistics, a non-parametric analysis (χ2) was performed. The sample consisted of 326 university students, 75.5% female, with an average age of 26.03 years. In this sample, 45% of men and 57.7% of women reported never having smoked. In male students, the pattern of combined consumption is more frequent, with female students preferring conventional cigarettes. Statistically significant differences were found between genders for the pattern of tobacco consumption, the number of colleagues/peers who smoke, the opinion about tobacco-free outdoor spaces and the knowledge about new forms of tobacco/nicotine consumption. The university campus is identified by students as the second space where they most consume tobacco products and where they are most exposed to tobacco smoke. This fact forces a reflection on the strategies to be implemented to develop a healthier university.

Caring behaviours demonstrated to nursing students in the interpersonal relation with the faculty: A cross sectional study.

BACKGROUND: Nursing students need to experience caring in their educational environment in order to learn how to care for the patients. OBJECTIVE: The present study describes the caring model demonstrated by the faculty to the nursing students through their behaviours, from the perspective of both students and faculty members. DESIGN: A cross-sectional, descriptive, observational study was conducted. PARTICIPANTS: The sample included 286 students and faculty members. METHODS: The Nursing Students' Perceptions of Instructor Caring assessing tool was used to gather the data. RESULTS: After analysing 676 questionnaires, it was revealed a moderately high level of caring perceived by the students. The most appreciated dimension was control versus flexibility, reporting a mean value of 82.29 and a confidence interval from 81.14 to 83.44, and the least valued was appreciation of life's meanings, reporting a mean value of 63.90 and a confidence interval from 62.20 to 65.60. The students' perception of the care demonstrated by the faculty was significantly lower than the care that the latter believed to transmit in all dimensions (p < 0.001). CONCLUSIONS: The caring perceived by the student was expressed through behaviours that inspired confidence in them, promoted a climate of learning and support, helped them to recognise the meaning of life, showed them flexibility and fostered their professional autonomy. The findings of this study can help to improve nursing education by providing a view of the interpersonal relations that the students established during their training with the faculty.

Birth-related and current factors associated with physical inactivity in the leisure time in Brazilian adolescents.

BACKGROUND: To determine whether biological and sociodemographic factors at birth and current factors are associated with insufficient physical activity during leisure among Brazilian adolescents. METHODS: A school-based cross-sectional study with national coverage was conducted involving Brazilian adolescents 12 to 17 years of age in municipalities with more than 100 thousand residents. The sample consisted of 74,589 adolescents who participated in the Study of Cardiovascular Risk in Adolescents. Insufficient leisure-time physical activity was categorized based on total volume (<300 minutes/week = insufficiently active; >300 minutes/week = sufficiently active). Poisson regression models were used to assess associated factors. RESULTS: Most adolescents were classified as insufficiently active (54.8%; 95%CI: 53.7-55.9). The variables associated with insufficient physical activity during leisure were the female sex (70.4%; 95%CI: 68.8-71.9), age between 15 and 17 years (57.8%; 95%CI: 56.3-59.2), pertaining to the low or middle class (54.5%; 95%CI: 52.8-56.1), and not being overweight (55.9%; 95%CI: 54.6-57.1). CONCLUSION: Contrary to our hypothesis, birth related factors (e.g., low birth weight, preterm birth and exclusive breastfeeding until 6 months of age) are not associated with physical inactivity. The prevalence of insufficient physical activity during leisure was high among the adolescents evaluated and was associated with sociodemographic characteristics as well as nutritional status. It is necessary to implement strategies focused on physical activity at schools.