Health literacy, a more complex concept than knowledge, is a required capacity to obtain, understand, integrate and act on health information [1], in order to enhance individual and community health, which is defined by different levels, according to the autonomy and personal capacitation in decision making [2]. Medium levels of Health literacy in an adolescent population were found in a study conducted in 2013/2014, being higher in sexual and reproductive health and lower in substance use. It was also noticed that the higher levels of health literacy were in the area adolescents refer to have receipt more health information. The health literacy competence with higher scores was communication skills, and the lower scores were in the capacity to analyze factors that influence health. Higher levels were also found in younger teenagers, but in a higher school level, confirming the importance of health education in these age and development stage. Adolescents seek more information in health professionals and parents, being friends more valued as a source information in older adolescents, which enhance the importance of peer education mainly in older adolescents [3]. As a set of competences based on knowledge, health literacy should be developed through education interventions, encompassing the cultural and social context of individuals, since the society, culture and education system where the individual is inserted can define the way the development and enforcement of the health literacy competences [4]. The valued sources of information should be taken into account, as well as needs of information in some topics referred by adolescents in an efficient health education. Schizophrenia is a serious and chronic mental illness which has a profound effect on the health and well-being related with the well-known nature of psychotic symptoms. The exercise has the potential to improve the life of people with schizophrenia improving physical health and alleviating psychiatric symptoms. However, most people with schizophrenia remains sedentary and lack of access to exercise programs are barriers to achieve health benefits. The aim of this study is to evaluate the effect of exercise on I) the type of intervention in mental health, II) in salivary levels of alpha-amylase and cortisol and serum levels of S100B and BDNF, and on III) the quality of life and selfperception of the physical domain of people with schizophrenia. The sample consisted of 31 females in long-term institutions in the Casa de Saúde Rainha Santa Isabel, with age between 25 and 63, and with diagnosis of schizophrenia according to the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR). Physical fitness was assessed by the six-minute walk distance test (6MWD). Biological variables were determined by ELISA (Enzyme-Linked Immunosorbent Assay). Psychological variables were assessed using SF-36, PSPP-SCV, RSES and SWLS tests. Walking exercise has a positive impact on physical fitness (6MWD -p = 0.001) and physical components of the psychological test...
Aim To evaluate the effectiveness on lifestyle change of an mHealth intervention to promote healthy behaviours in adolescence (TeenPower) and to analyse the predictors of the mHealth intervention effectiveness. Design This study is designed as a non‐randomized controlled trial with a two‐arm structure. Methods Adolescents of 12–16‐year old were recruited from three school districts, with access to the Internet and smartphone/tablet devices. The intervention group was invited to engage in the mHealth intervention (TeenPower) for 6 months in addition to a school‐based intervention. The control group only followed the school‐based intervention. A repeated measures factorial ANOVA was used and the main effectiveness outcome was the lifestyle change measured by the adolescent lifestyle profile. Results The outcomes of the mHealth intervention (TeenPower) show a significant effect on nutrition (ƞ2p = 0.03, p = .03), positive life perspective (ƞ2p = 0.04, p = .01), and global lifestyle (ƞ2p = 0.02, p = .05), with a dropout rate of 62.1%. The analysis of the effectiveness predictors of the mHealth intervention suggested that older adolescents tended to show a significant increase in the rates of stress management (r = .40; p < .05). Conclusions Although the considerable dropout rate, the mHealth intervention presented significant impact on multiple lifestyle domains, providing support for the effectiveness of mHealth interventions for health promotion as an add‐on to standard interdisciplinary interventions. Impact Adolescents must have the necessary and appropriate knowledge for the correct and responsible decision‐making regarding their health and lifestyle. Innovative strategies (mHealth intervention) were used to promote healthy behaviours. This study evaluates the effectiveness of an mHealth intervention (TeenPower) specifically designed for adolescents. We found a significant impact in several lifestyle domains such as health responsibility, nutrition, positive life perspective, and global lifestyle.
Aim: This paper describes the design and rationale of multicenter practice-based research that aims to develop and evaluate an innovative mobile health (mHealth) intervention programme directed to promote healthy behaviours and prevent adolescent obesity.Design: This study is designed as a non-randomized controlled trial with a threearm structure.Methods: Twelve to 16 years old participants will be recruited from schools, with access to the Internet and smartphone/tablet devices. The intervention group will be invited to engage in the TeenPower mHealth programme and divided into two subgroups: Group A (additionally engaged in a structured school-based intervention programme) and Group B (only engaged in the mHealth programme). The mHealth app includes educational resources, self-monitoring, social support, interactive training modules and motivational tools. The control group will only follow the structured school-based intervention programme. The intervention length will be 3 months, including the direct support of an interdisciplinary team (nursing, nutrition, sports, psychology, among others). This research was approved and funded in August 2017. Discussion:The positive evaluation of the intervention programme will stimulate the inclusion of technologies in the promotion of salutogenic behaviours and obesity prevention.Impact: Adolescent obesity reached epidemic proportions. It is urgent to find effective prevention strategies to induce change at the individual, family and community level. If effective, this protocol can be used by health and exercise professionals in improving community interventions tailored to teenagers.
Open-air rock art preservation Landsat imagery Pair-wise comparison matrix Frequency-probabilistic procedure Predictive model a b s t r a c t Late-glacial and Iron-Age open-air rock art of the Côa River Valley shows a similar spatial distribution, with several clusters along the Côa and Douro River tributaries that are mostly exposed to the southeast. In this report, we try to determine whether the artists of both periods deliberately chose the same natural panels for rock art or its present-day spatial distribution is imposed by formation and weathering processes, previous or subsequent to the engraving. Geological structural analysis, from regional to field scales, shows a NNE-SSW sinistral strike-slip fault system that crosses the study area, together with a set of fracture/joints with the same orientation and formed by the same tectonic stress. Direct field measurement and the description of 713 natural panels, engraved and un-engraved, reveal that the preserved rock art panels correspond to the most common tectonic fracture/joint systems (NNE-SSW) of the study area. Locally, the hydrographic network is conditioned by the same structural control. Differential weathering exists between the panels exposed on opposite margins of watercourses, with preferential degradation of the rock art panel surfaces exposed to the NW. We propose that, on the scale of the valley, the surface weathering of the rock art panels results from differential solar radiation, humidity, lichen and bryophyte colonisations. Interpretation of field observations, a frequencyprobabilistic procedure, pair-wise comparison matrix and geographic information system analysis were combined to evaluate a Côa panel formation and preservation predictive model using archaeological, topographical and hydrological data. Four variables were extracted and weighted from the collected data, including topographic slope and aspect, solar radiation and cost-weighted distance to watercourses, which were used as environmental input data. The archaeological input data (rock art occurrences) were used to calculate the variable ratings and to evaluate both the Côa panel formation and preservation predictive model and external validation maps, with the results showing an agreement of 80% and 70%, respectively. Field verification revealed unknown rock art panels in areas with high and very high values. The Côa panel formation and preservation predictive model provides a useful framework to guide survey and heritage management.
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