Objective: To study the evidence on physical activity (PA) as an effective preventive strategy for depression.Methods: A search of electronic databases was performed for articles between 2007 and 2012, both original research and review articles, concerning the link between PA and depression on children, youth and adults. Three reviews, five longitudinal and two cross sectional studies were included.Results:  PA reduced the likelihood of depression in many studies and a sedentary or inactive lifestyle increased the risks for mental health symptoms such as depression. One study showed that low PA in childhood increased the odds of depression as an adult and other studies on teenagers saw a connection and mediation between PA and self-esteem whereas physical fitness showed no mediating effect. Many of the studies and reviews point out the insecurity regarding the dose-response association and the difficulties in defining causality.Conclusion: PA might have a preventive effect on depression. Some evidence exist to support that PA in childhood prevents depression in adults.

This paper takes it points of departure in a gender equality perspective and the perceived paradox between the governmental labour market policy and family policy. The first policy area has the aim to put people to work, whereas the other introduces a reform, vårdnadsbidraget, that point in the opposite direction. Which are the problem representations within the two policy areas and are the problem representations concordant or contradictive? From a constructivist perspective, langue is closely related to power through defining and ascribing meaning to reality. Drawing on political documents, speeches and articles formulated within the government, this paper analyzes problem representations through the use of discourse analysis and feminist political theory.

The aim of this study was to determine which type of fluid to use in trauma care to improve patient survival. The method used was a systematic review, where a total of 18 studies were reviewed and 13 included in the results. The inclusion criteria used in this study were Randomized controlled trial, or studies relevant for the purpose, written in English and published during the last ten years. The studies were identified in the PubMed data base. The results showed that in trauma with hypovolaemia, colloid infusion has a better effect than infusion of crystalloid fluid on blood pressure and colloid infusion reduced the body's cascade systems in a beneficial way. Colloid infusion administered to head injury patients lowered their intracranial pressure more than crystalloid infusion.

The response to many on-going or emerging conflicts since the beginning of the 21st century has been different forms of multinational complex peace operations. Civil-military relations are a commonly studied field that traditionally has its focus on nations. This study intends, in the context of organisations, to test the correlation between a civil-military approach and outcome in complex peace operations. A hypothesis has been deduced from researcher Robert Egnell?s theory on complex peace operations, that states that: UN peace operations with an integrated civil-military approach are more successful in achieving their goals than peace operations with a divided approach.

There is a strong debate in the media about the CEO compensation in the listed companies and whether they deserve their high rewards. Many previous studies have shown differences in the reward system depending on the ownership structure, mostly testing for only ownership concentration or ownership category. This study aims to investigate how the influence of the owners affects the CEO reward system, testing for both the level and the structure of the reward. The sample used in the investigation is Swedish listed corporations and consists of 251 observations. A survey was also conducted but due to low response rate and because the answers are not representative for the whole sample the survey will only be used as an illustration.

Syftet med denna uppsats är att understryka barnens betydelse i familjens beslutsfattande, samt att erbjuda riktlinjer för hur företag kan nå detta sekundära segment. För att belysa detta resonemang har vi valt att studera resebranschen, en bransch där barn inte kan verka själva. Vår hypotes är att barn, i vissa familjer, deltar i den köpprocess som föregår valet av resemål. Vi har i huvudsak använt oss av litteraturstudier men även utfört en empirisk undersökning som grundar sig i intervjuer med barn, 3-10 år gamla. Vi anser att barn påverkar sina föräldrars konsumtion och de bör således vara en viktig måltavla för marknadsföring även för produkter, som inte är direkt ämnade för dem.

Unemployment and long term unemployment is a reality for a large number of people in Sweden. This may be the result of structural changes in the labor market, but involves a wide range of issues. Along with other actors, the social services are obliged to support the long term unemployed to find a job. The aim of this study was to describe and analyze the work done by social workers towards the long term unemployed, 25-49 years old, in two municipalities. We performed altogether six qualitative interviews.

The company LightLift Esystems AB manufactures patented motorized lift systems for the illumination of halls with high ceilings. The company wants a new design for singular heavy lights in order to be more competitive.This project consists of the development of the new design under the requirements and specifications imposed by the company. The new design must support lights up to 300kg and keep the overall dimensions as low as possible without modifying the driving unit.This document contains all the designing steps followed to reach the final solution as well as the material selection, manufacturing process and assembly of all the parts that form it.The solution obtained shows to be very competitive with other alternative products, since this new design triples their maximum load capacity while the dimensions are very similar.In this context, the optical appearance was also very important to the company and so it was another main objective of this project. From an aesthetical point of view, the final solution proves to be very compact and versatile since it can either be hidden behind a false ceiling or covered by a plastic case that gives the design a very nice look.Finally, the solution achieved fulfils all the requirements and specification previously imposed. It is reliable, compact, cheap to manufacture, easy to assembly and it has a good optical appearance. .

The possibility and the right to be able to communicate with municipalities or other state companies and politicians are natural for the Swedish citizens. However, they may be unaware that this communication process is called citizen dialogue.Today there are so many ways to communicate; one-way communication is not possible in the same way as before. It is above all social media such as Facebook, which has opened the gates one could only dream of.  Via a medium such as Facebook creates a strong citizen dialogue in which the municipality and citizens communicate openly and ask questions and give response.The purpose of this study is to find out how Karlstad?s municipality uses, and maintains, citizen dialogue on Facebook. What are the guidelines and how do the municipality use these? In this paper a qualitative expert interview and a qualitative content analysis has been used to answer the purpose of the essay.

Bakgrund: Medicintekniken blir bara mer avancerad för vart år. Sjuksköterskan använder medicintekniken dagligen i omvårdnaden. Patienten är ett subjekt, vilket betyder att den är mer än en kropp. Medicintekniken kan när den används på fel sätt av sjuksköterskan, ändra synen på patienten och göra den till ett objekt.Syfte: Syftet med denna studie var att beskriva sjuksköterskors erfarenheter av hur det är att arbeta med medicinteknik i omvårdnaden och hur sjuksköterskan anser att medicintekniken inverkar på omvårdnaden.Metod: Kvalitativ innehållsanalys användes enligt Graneheim och Lundman (2004). Data samlades in genom intervjuer med sju sjuksköterskor som arbetade på akutmottagningen.Resultat: I analysen skapades olika kategorier: Omvårdnadskompetens, krav, kvalité, förhållningssätt och omvårdnadsfokus.Konklusion: Sjuksköterskan är beroende av medicintekniken för att omvårdnaden ska fungera.

Who is integrating school-holiday home? It is for the teachers, recreational pedagogue or the students? How do the students think and act to keep the different activities apart?My purpose was to study how children sort the day between school and recreational home interactions. The issues were: How do they distinguish between the different activities during the day?  See the students their stay after school program as part of the school day? Who decides whether you have to go to school, and whether you have to go to after school program? And do you really have to?I have interviewed six students at an elementary school, based from a phenomenographic perspective, I've used myself of issues that students have been able to respond from a school perspective and after-school perspective. My interview questions have been comparative in nature, where the same question have given different answers depending on whether the question focused on school or the afterschool program.

This thesis takes on a broader perspective of the modern age phenomenon we call spam. One of the aims of this thesis is to present and to compare the variety of methods used in the day-to-day fight against spam, as far they have evolved today, but also to present and discuss some alternative methods for suggested future use. The properties of a common e-mail spam are analyzed to show how the components that make up the structure in an e-mail can be used to classify spam. Furthermore I explain the naïve Bayesian classification methods, the signature-based method, the commonly used rule-based method and the challenge and response method and discuss these. The widespread use of blacklists is also explained and a close new variant to blacklisting, Turntide is presented and discussed.

The aim of this study was to find possible relations between behaviour and physiology for puppies during different parts of a puppy test. This work deals mainly with the physiological part of the study. Thirtysix puppies, från five litters, were tested in a behaviour test where heart rate was measured and saliva samples were collected before and after each part in the test. Saliva and urine samples were analyzed for corisol concentration as an indicatior of stress. The tests were performed during two consecutive days in the breeders' home when the puppies were seven weeks old. In addition, heart rate and cortisol levels were also measured in the bitch since we were interested in finding out if there were any relations between physiological levels in bitches and puppies.

Freshwater ecosystems have long been neglected as an important part of the global carbon cycle. However, research shows that most of the world?s lakes are net-heterotrophic and consequently emitters of greenhouse gases to the atmosphere. In many boreal and north-temperate lakes, most of the yearly emissions usually occur in spring, shortly after ice-thaw. The aim of this study was to quantify the flux of carbon dioxide (CO2) and methane (CH4) in three boreal lakes, during this annual event.

This report reflects an examination work performed for Getrag All Wheel Drive AB during the spring of 2005. Among the companies range of products there exists some concern regarding the amount of clamping force and friction on bolted joints caused by the assembly torque.The aim of this project has been to determine if there is a simple way in which to identify and then practically apply testing methods for clamping force and friction through utilization of existing testing equipment.Three separate methods of clamping force and friction determination have been tested in rear drive unit, RDU, at a 30 Nm assembly torque. A fourth and final method, screw elongation with ultrasound, has been used as reference. The methods are:?Torque-Tension test.?Screw elongation with micrometer.?Joint stiffness test.?Screw elongation with ultra sound for reference.The results from tests can be viewed in table below.MethodTorque-TensionMicrometerCs=318 kN/mm Assembled with torque wrenchMicrometerCs=318 kN/mm Assembled on lineUltra-soundCS=311 kN/mm Ultra- soundCS=318 kN/mm Joint stiffnessTheoreticalClamping force-21,8 kN17,6 kN17,3 kN17,6 kN17,1 kN17,3 kNFriction-0,110,1470,1530,1470,1520,149.