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Publications (10 of 165) Show all publications
Näsman, P., Holmberg, S., Oscarsson, H. & Gudmundson, K. (2020). Lyssna på väljarna: Val 2018 EU Val 2019. Stockholm: Sveriges Television
Open this publication in new window or tab >>Lyssna på väljarna: Val 2018 EU Val 2019
2020 (Swedish)Book (Other academic)
Place, publisher, year, edition, pages
Stockholm: Sveriges Television, 2020. p. 166
National Category
Political Science
Identifiers
urn:nbn:se:kth:diva-269402 (URN)
Available from: 2020-03-06 Created: 2020-03-06 Last updated: 2020-03-06
Ceccato, V., Näsman, P. & Langefors, L. (2020). Sexual violence on the move: An assessment of youth’s victimization in public transportation. Women & Criminal Justice
Open this publication in new window or tab >>Sexual violence on the move: An assessment of youth’s victimization in public transportation
2020 (English)In: Women & Criminal Justice, ISSN 0897-4454, E-ISSN 1541-0323Article in journal (Refereed) Published
Abstract [en]

Informed by principles of environmental criminology, this study assesses patterns of sexual victimization among young riders of rail-bound public transportation using a sample of 1,122 university students in Stockholm, Sweden. Exploratory data analysis and logistic regression models underlie the methodology of the study. Findings indicate that the physical and social characteristics of transit environments have an impact on the likelihood of sexual victimization after controlling for individual factors. The theoretical and practical implications of these results are discussed.

Keywords
Assault, CPTED, environmental design, intersectionality, Scandinavia city, sexual harassment, transit safety, whole journey approach
National Category
Social Sciences
Research subject
Planning and Decision Analysis, Risk and Safety; Architecture, Urban Design; Planning and Decision Analysis, Urban and Regional Studies
Identifiers
urn:nbn:se:kth:diva-271486 (URN)10.1080/08974454.2020.1733732 (DOI)
Projects
Transit safety among college students: An international study
Note

QC 20200327

Available from: 2020-03-25 Created: 2020-03-25 Last updated: 2020-03-27Bibliographically approved
Sippl, N., Grosso, G., Ferrannini, G., de Faire, U., Lindahl, B., Näsman, P., . . . Amara, K. (2019). Domain specific anti-beta 2GPI antibodies in patients with First Myocardial Infarction. Lupus, 28, 39-40
Open this publication in new window or tab >>Domain specific anti-beta 2GPI antibodies in patients with First Myocardial Infarction
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2019 (English)In: Lupus, ISSN 0961-2033, E-ISSN 1477-0962, Vol. 28, p. 39-40Article in journal, Meeting abstract (Other academic) Published
Place, publisher, year, edition, pages
SAGE PUBLICATIONS LTD, 2019
National Category
Rheumatology and Autoimmunity
Identifiers
urn:nbn:se:kth:diva-261330 (URN)10.1177/0961203319872604 (DOI)000486295800083 ()
Note

QC 20191007

Available from: 2019-10-07 Created: 2019-10-07 Last updated: 2019-10-07Bibliographically approved
Ferrannini, G., Svenungsson, E., Kjellstrom, B., Elvin, K., Grosso, G., Näsman, P., . . . Norhammar, A. (2019). Dysglycaemic patients with antiphospholipid antibodies IgG: a neglected group at high cardiovascular risk?. Lupus, 28, 42-42
Open this publication in new window or tab >>Dysglycaemic patients with antiphospholipid antibodies IgG: a neglected group at high cardiovascular risk?
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2019 (English)In: Lupus, ISSN 0961-2033, E-ISSN 1477-0962, Vol. 28, p. 42-42Article in journal, Meeting abstract (Other academic) Published
Place, publisher, year, edition, pages
SAGE PUBLICATIONS LTD, 2019
National Category
Rheumatology and Autoimmunity
Identifiers
urn:nbn:se:kth:diva-261329 (URN)10.1177/0961203319872604 (DOI)000486295800088 ()
Note

QC 20191007

Available from: 2019-10-07 Created: 2019-10-07 Last updated: 2019-10-07Bibliographically approved
Isaksson, E., Wester, P., Laska, A. C., Näsman, P. & Lundström, E. (2019). Identifying important barriers to recruitment of patients in randomised clinical studies using a questionnaire for study personnel. Trials, 20(1), Article ID 618.
Open this publication in new window or tab >>Identifying important barriers to recruitment of patients in randomised clinical studies using a questionnaire for study personnel
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2019 (English)In: Trials, ISSN 1745-6215, E-ISSN 1745-6215, Vol. 20, no 1, article id 618Article in journal (Refereed) Published
Abstract [en]

Background: Many randomised controlled trials (RCT) fail to meet their recruitment goals. Study personnel play a key role in recruitment. The aim of this study was to identify successful strategies that study personnel consider to be important in patient recruitment to RCT. Methods: We constructed a questionnaire based on the literature, discussions with colleagues and our own experience as trialists. The survey was named "What is Important for Making a Study Successful questionnaire" (WIMSS-q). Our target group was the study personnel in the ongoing EFFECTS study. The questionnaire was sent out electronically to all physicians and nurses (n = 148). Success factors and barriers were divided according to patient, centre and study level, respectively. Results: Responses were received from 94% of the study personnel (139/148). The five most important factors at centre level for enhancing recruitment were that the research question was important (97%), a simple procedure for providing information and gaining consent (92%), a highly engaged local principal investigator and research nurse (both 87%), and that study-related follow-ups are practically feasible and possible to coordinate with the clinical follow-up (87%). The most significant barrier at the local centre was lack of time and resources devoted to research (72%). Important patient-related barriers were fear of side effects (35%) and language problems (30%). Conclusions: For recruitment in an RCT to be successful, the research question must be relevant, and the protocol must be simple and easy to implement in the daily routine.

Place, publisher, year, edition, pages
BMC, 2019
Keywords
Recruitment, Survey, Questionnaire, Randomised controlled trials, RCT
National Category
Health Sciences
Identifiers
urn:nbn:se:kth:diva-266224 (URN)10.1186/s13063-019-3737-1 (DOI)000502747500001 ()31666093 (PubMedID)2-s2.0-85074338079 (Scopus ID)
Note

QC 20200109

Available from: 2020-01-09 Created: 2020-01-09 Last updated: 2020-01-09Bibliographically approved
Eriksson, B., Wandell, P., Dahlstrom, U., Näsman, P., Lund, L. H. & Edner, M. (2019). Limited value of NT-proBNP as a prognostic marker of all-cause mortality in patients with heart failure with preserved and mid-range ejection fraction in primary care: A report from the swedish heart failure register. Scandinavian Journal of Primary Health Care, 37(4), 434-443
Open this publication in new window or tab >>Limited value of NT-proBNP as a prognostic marker of all-cause mortality in patients with heart failure with preserved and mid-range ejection fraction in primary care: A report from the swedish heart failure register
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2019 (English)In: Scandinavian Journal of Primary Health Care, ISSN 0281-3432, E-ISSN 1502-7724, Vol. 37, no 4, p. 434-443Article in journal (Refereed) Published
Abstract [en]

Aim: The prognostic value of natriuretic peptides in the management of heart failure (HF) patients with ejection fraction (EF) <40% is well established, but is less known for those with EF >= 40% managed in primary care (PC). Therefore, the aim of this study is to describe the prognostic significance of plasma NT-proBNP in such patients managed in PC. Subjects: We included 924 HF patients (48% women) with EF >= 40% and NT-proBNP registered in the Swedish Heart Failure Registry. Follow-up was 1100 +/- 687 days. Results: One-, three- and five-year mortality rates were 8.1%, 23.9% and 44.7% in patients with EF 40-50% (HFmrEF) and 7.3%, 23.6% and 37.2% in patients with EF >= 50% (HFpEF) (p = 0.26). Patients with the highest mean values of NT-proBNP had the highest all-cause mortality but wide standard deviations (SDs). In univariate regression analysis, there was an association only between NT-proBNP quartiles and all-cause mortality. In HFmrEF patients, hazard ratio (HR) was 1.96 (95% CI 1.60-2.39) p < 0.0001) and in HFpEF patients, HR was 1.72 (95% CI 1.49-1.98) p < 0.0001). In a multivariate Cox proportional hazard regression analysis, adjusted for age, NYHA class, atrial fibrillation and GFR class, this association remained regarding NT-proBNP quartiles [HR 1.83 (95% CI 1.38-2.44), p < 0.0001] and [HR 1.48 (95% CI 1.16-1.90), p = 0.0001], HFmrEF and HFpEF, respectively. Conclusion: NT-proBNP has a prognostic value in patients with HF and EF >= 40% managed in PC. However, its clinical utility is limited due to high SDs and the fact that it is not independent in this population which is characterized by high age and much comorbidity.

Place, publisher, year, edition, pages
TAYLOR & FRANCIS LTD, 2019
Keywords
Heart failure, EF >= 40%, primary care, NT-proBNP, prognosis
National Category
Cardiac and Cardiovascular Systems
Identifiers
urn:nbn:se:kth:diva-265692 (URN)10.1080/02813432.2019.1684029 (DOI)000496383300001 ()31724475 (PubMedID)2-s2.0-85075167964 (Scopus ID)
Note

QC 20200109

Available from: 2020-01-09 Created: 2020-01-09 Last updated: 2020-01-09Bibliographically approved
Ängskog, P., Näsman, P. & Mattsson, L.-G. (2019). Resilience to Intentional Electromagnetic Interference Is Required for Connected Autonomous Vehicles. IEEE transactions on electromagnetic compatibility (Print), 61(5), 1552-1559
Open this publication in new window or tab >>Resilience to Intentional Electromagnetic Interference Is Required for Connected Autonomous Vehicles
2019 (English)In: IEEE transactions on electromagnetic compatibility (Print), ISSN 0018-9375, E-ISSN 1558-187X, Vol. 61, no 5, p. 1552-1559Article in journal (Refereed) Published
Abstract [en]

The connected autonomous vehicle (CAV) will never be completely autonomous; on the contrary, it will be heavily dependent on so-called vehicular ad hoc networks (VANETs) for its function. To deserve the trust of the general public, the vehicles as well as the intelligent transport system (ITS) infrastructure must be able to handle not only natural disturbances but also attacks of malicious nature. In this paper, we discuss the effects of antagonistic attacks using intentional electromagnetic interference (IEMI) and how the antagonistic nature of the threat renders probabilistic risk analysis inadequate for the defense of the vehicles and the infrastructure. Instead, we propose a shift toward resilience engineering and vulnerability analysis to manage antagonistic threats. Finally, we also give two examples of possible scenarios to illustrate the type of situations a CAV must be able to handle.

Place, publisher, year, edition, pages
IEEE, 2019
Keywords
Autonomous vehicles, Electromagnetic interference, Resilience, Vehicular ad hoc networks, Risk analysis, Safety, Sensors, Connected autonomous vehicle (CAV), infrastructure to vehicle (I2V), intelligent transport system (ITS), intentional electromagnetic interference (IEMI), resilience, risk, shared autonomous vehicle (SAV), vehicle to infrastructure (V2I), vehicle to vehicle (V2V), vehicular ad hoc network (VANET), vulnerability
National Category
Civil Engineering
Identifiers
urn:nbn:se:kth:diva-251028 (URN)10.1109/TEMC.2018.2866178 (DOI)000498690200018 ()2-s2.0-85052897433 (Scopus ID)
Note

QC 20190626

Available from: 2019-05-08 Created: 2019-05-08 Last updated: 2020-01-07Bibliographically approved
Ceccato, V., Näsman, P., Catherine, S. & Langefors, L. (2019). Trygghet i kollektivtrafiken i Stockholm i ett internationellt perspektiv: En handlingsplan mot sexuella trakasserier och brott i transitmiljöer. Stockholm: Kungliga tekniska högskolan
Open this publication in new window or tab >>Trygghet i kollektivtrafiken i Stockholm i ett internationellt perspektiv: En handlingsplan mot sexuella trakasserier och brott i transitmiljöer
2019 (Swedish)Report (Other academic)
Abstract [en]

Safety and security are human rights - to feel free from risk and fear of danger is crucial for all people and a prerequisite for modern society. Safety promotes and encourages mobility, which is basic for an individual’s quality of life. This report presents Stockholm students' responses to a survey of experiences and perceptions of sexual harassment and sexual transit crimes in public transport conducted in May-June 2018 as part of an international study. The study contained 1,122 young people surveyed at the Royal Institute of Technology (KTH) in Stockholm and 309 students from Södertörn University in Huddinge. We investigated the victimization of sexual harassment and sexual crimes in transit environments, feelings of perceived security or lack thereof, and necessary improvements to make travel safer.

Abstract [sv]

Säkerhet och trygghet är mänskliga rättigheter –att känna sig fri från risk och rädsla för fara är avgörande för alla människoroch en förutsättning för det moderna samhället. Säkerhet garanterar, i enhållbar stad, varje person en plats att leva fri från fara och fri från rädsla.Säkerhet främjar och uppmuntrar också rörlighet, som är grundläggande förindividens livskvalitet. Men för kvinnor (och särskilt unga kvinnor) är dettainte en självklarhet. Denna rapport presenterar Stockholmsstudenters svar på en undersökning om erfarenheter och uppfattningar om sexuella trakasserier och brott i kollektivtrafik som genomfördes i maj-juni 2018 som en del av en internationell studie. De 1,122 ungdomar som tillfrågades studerar på KTH Kungliga tekniska högskolan i Stockholm och 309 studenter från Södertörns högskola in Huddinge. Vi undersökte viktimiseringen av sexuella trakasserier och sexuella brott i transitmiljöer, känslor av upplevd trygghet eller bristen på dessa samt nödvändiga förbättringar som kan göra resorna tryggare.

Place, publisher, year, edition, pages
Stockholm: Kungliga tekniska högskolan, 2019. p. 50
Series
TRITA-ABE-RPT ; 1923
National Category
Other Social Sciences
Research subject
Planning and Decision Analysis, Urban and Regional Studies
Identifiers
urn:nbn:se:kth:diva-261407 (URN)10.13140/RG.2.2.10675.58400 (DOI)978-91-7873-329-3 (ISBN)
Note

QC 20191007

Available from: 2019-10-07 Created: 2019-10-07 Last updated: 2019-10-07Bibliographically approved
Norhammar, A., Kjellström, B., Habib, N., Gustafsson, A., Klinge, B., Nygren, Å., . . . Rydén, L. (2019). Undetected Dysglycemia Is an Important Risk Factor for Two Common Diseases, Myocardial Infarction and Periodontitis: A Report From the PAROKRANK Study. Diabetes Care, 42(8), 1504-1511
Open this publication in new window or tab >>Undetected Dysglycemia Is an Important Risk Factor for Two Common Diseases, Myocardial Infarction and Periodontitis: A Report From the PAROKRANK Study
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2019 (English)In: Diabetes Care, ISSN 0149-5992, E-ISSN 1935-5548, Vol. 42, no 8, p. 1504-1511Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: Information on the relationship among dysglycemia (prediabetes or diabetes), myocardial infarction (MI), and periodontitis (PD) is limited. This study tests the hypothesis that undetected dysglycemia is associated with both conditions. RESEARCH DESIGN AND METHODS: The PAROKRANK (Periodontitis and Its Relation to Coronary Artery Disease) study included 805 patients with a first MI and 805 matched control subjects. All participants without diabetes (91%) were examined with an oral glucose tolerance test. Abnormal glucose tolerance (AGT) (impaired glucose tolerance or diabetes) was categorized according to the World Health Organization. Periodontal status was categorized from dental X-rays as healthy (≥80% remaining alveolar bone height), moderate (79-66%), or severe (<66%) PD. Odds ratios (ORs) and 95% CIs were calculated by logistic regression and were adjusted for age, sex, smoking, education, marital status, and explored associated risks of dysglycemia to PD and MI, respectively. RESULTS: AGT was more common in patients than in control subjects (32% vs. 19%; P < 0.001) and was associated with MI (OR 2.03; 95% CI 1.58-2.60). Undetected diabetes was associated with severe PD (2.50; 1.36-4.63) and more strongly in patients (2.35; 1.15-4.80) than in control subjects (1.80; 0.48-6.78), but not when categorized as AGT (total cohort: 1.07; 0.67-1.72). Severe PD was most frequent in subjects with undetected diabetes, and reversely undetected diabetes was most frequent in patients with severe PD. CONCLUSIONS: In this large case-control study previously undetected dysglycemia was independently associated to both MI and severe PD. In principal, it doubled the risk of a first MI and of severe PD. This supports the hypothesis that dysglycemia drives two common diseases, MI and PD.

Place, publisher, year, edition, pages
NLM (Medline), 2019
National Category
Endocrinology and Diabetes
Identifiers
urn:nbn:se:kth:diva-255735 (URN)10.2337/dc19-0018 (DOI)000476786200024 ()31182493 (PubMedID)2-s2.0-85070184039 (Scopus ID)
Note

QC 20190813

Available from: 2019-08-13 Created: 2019-08-13 Last updated: 2019-08-13Bibliographically approved
Oakes, B. D., Mattsson, L.-G., Näsman, P. & Glazunov, A. A. (2018). A Systems-Based Risk Assessment Framework for Intentional Electromagnetic Interference (IEMI) on Critical Infrastructures. Risk Analysis, 38(6), 1279-1305
Open this publication in new window or tab >>A Systems-Based Risk Assessment Framework for Intentional Electromagnetic Interference (IEMI) on Critical Infrastructures
2018 (English)In: Risk Analysis, ISSN 0272-4332, E-ISSN 1539-6924, Vol. 38, no 6, p. 1279-1305Article in journal (Refereed) Published
Abstract [en]

Modern infrastructures are becoming increasingly dependent on electronic systems, leaving them more vulnerable to electrical surges or electromagnetic interference. Electromagnetic disturbances appear in nature, e.g., lightning and solar wind; however, they may also be generated by man-made technology to maliciously damage or disturb electronic equipment. This article presents a systematic risk assessment framework for identifying possible, consequential, and plausible intentional electromagnetic interference (IEMI) attacks on an arbitrary distribution network infrastructure. In the absence of available data on IEMI occurrences, we find that a systems-based risk assessment is more useful than a probabilistic approach. We therefore modify the often applied definition of risk, i.e., a set of triplets containing scenario, probability, and consequence, to a set of quadruplets: scenario, resource requirements, plausibility, and consequence. Probability is replaced by resource requirements and plausibility, where the former is the minimum amount and type of equipment necessary to successfully carry out an attack scenario and the latter is a subjective assessment of the extent of the existence of attackers who possess the motivation, knowledge, and resources necessary to carry out the scenario. We apply the concept of intrusion areas and classify electromagnetic source technology according to key attributes. Worst-case scenarios are identified for different quantities of attacker resources. The most plausible and consequential of these are deemed the most important scenarios and should provide useful decision support in a countermeasures effort. Finally, an example of the proposed risk assessment framework, based on notional data, is provided on a hypothetical water distribution network.

Place, publisher, year, edition, pages
WILEY, 2018
Keywords
Critical infrastructures, intentional electromagnetic interference (IEMI), operational models, risk analysis, water distribution network
National Category
Transport Systems and Logistics
Identifiers
urn:nbn:se:kth:diva-231194 (URN)10.1111/risa.12945 (DOI)000434645900013 ()29314162 (PubMedID)2-s2.0-85040365367 (Scopus ID)
Funder
Swedish Civil Contingencies AgencyThe Swedish Post and Telecom Authority (PTS)
Note

QC 20180720

Available from: 2018-07-20 Created: 2018-07-20 Last updated: 2019-08-20Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0001-7606-8771

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