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Search Results: 1 - 10 of 20818 matches for " Jean Muris "
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Study protocol of a Dutch smoking cessation e-health program
Nicola E Stanczyk, Catherine Bolman, Jean WM Muris, Hein de Vries
BMC Public Health , 2011, DOI: 10.1186/1471-2458-11-847
Abstract: Respondents who smoked at the time of the study inclusion, who were motivated to quit within the following six months and who were aged 18 or older were included in the program. The study is a randomized control trial with a 2 (video/text) * 2(LSES/HSES) design. Respondents were assigned either to one of the intervention groups (text versus video tailored feedback) or to the control group (non-tailored generic advice). In all three conditions participants were asked to fill in the baseline questionnaire based on the I-Change model. The questionnaire assessed socio-demographics, attitude towards smoking, knowledge, self-efficacy, social influence, depression, level of addiction, action planning, goal actions, intention to quit smoking, seven-day point prevalence and continued abstinence. Follow-up measurements were conducted at six and twelve months after baseline.The present paper describes the development of the two computer-tailored smoking cessation programs, their components and the design of the study. The study results reveal different working mechanisms of multiple tailored smoking cessation interventions and will help us to gain more insight into effective strategies to target different subgroups, especially smokers with a lower socio-economic status.Dutch Trial Register NTR3102Smoking tobacco is one of the most preventable causes of illness and premature death in the world [1]. The development of effective smoking cessation programs is essential to prevent illnesses [2].One effective strategy for health promotion that has been developed during the last decades concerns computer-tailored interventions [3,4]. CT has developed since the 1990s as a new technique for health promotion, as it provides the individual with personalized information and feedback on health behaviour. Tailored health messages are based on knowledge of a person generated from his or her answers to a questionnaire on issues related to health behaviour (in the case of smoking, for example,
How does asthma influence the daily life of children? Results of focus group interviews
Lisette van den Bemt, Sabine Kooijman, Vinca Linssen, Peter Lucassen, Jean Muris, Gordon Slabbers, Tjard Schermer
Health and Quality of Life Outcomes , 2010, DOI: 10.1186/1477-7525-8-5
Abstract: Primary school-aged asthmatic children were invited to participate in three consecutive focus group sessions. A total of five focus groups were formed. Two reviewers independently 1) identified trends in the statements and relations between HRQL components, 2) clustered the components into a small number of domains and, 3) made a model on asthma-specific HRQL based on the transcribed statements of the children. The results were compared between the two reviewers and resulted in a final model.Asthma influenced the life of the children physically, emotionally and socially. The most important components of HRQL were the effects on, and consequences of asthma on peer relationships (e.g., being bullied), the dependence on medication, shortness of breath, cough, limitations in activities and limitations due to the response on cigarette smoke exposure.The outcome of the focus group meetings indicates that asthma influences the life of children in various ways. Not all essential components of HRQL, according to the children, are part of existing asthma-specific HRQL instruments.Dyspnea, dependence of medication, and not being able to fully integrate with peers are among the many aspects that could negatively influence the life of asthmatic children. Health-related quality of life (HRQL) brings together various aspects of an individual's subjective experience that relate both directly and indirectly to health, disease, disability, and impairment[1]. Since HRQL is a uniquely personal perception, the individual's view on the components of asthma-specific HRQL is the preferred basis of a content-valid HRQL instrument [2,3]. For asthma, several self-administered questionnaires to assess disease-specific HRQL in primary school-aged children with asthma have been developed, the most prominent ones being the Pediatric Asthma Quality of Life Questionnaire (PAQLQ) [4], the How Are You (HAY) instrument [5], The Pediatric Quality of Life Inventory (PEDsQL?) Generic Core Scales and Asth
Chronic non-specific abdominal complaints in general practice: a prospective study on management, patient health status and course of complaints
Henri?tte AM van den Heuvel-Janssen, Jeroen AJ Borghouts, Jean WM Muris, Bart W Koes, Lex M Bouter, J Knottnerus
BMC Family Practice , 2006, DOI: 10.1186/1471-2296-7-12
Abstract: Thirty general practitioners (GPs) and patients from their practices participated in a prospective follow-up study. All patients and GPs were asked to complete questionnaires at baseline and at 6, 12 and 18 months of follow-up. The GPs provided information on diagnostic and therapeutic management and on referral concerning 619 patients with chronic non-specific abdominal complaints, while 291 patients provided information about health status and clinical course of the complaints.When asked after 18 months of follow-up, 51,7% of the patients reported an equal or worsened severity of complaints. General health perception was impaired and patients had high scores on SCL-anxiety and SCL-depression scales. Diagnostic tests other than physical examination and laboratory tests were not frequently used. Medication was the most frequent type of treatment. The persistence of chronic non-specific abdominal complaints was quite stable.Once non-specific chronic abdominal complaints have become labelled as chronic by the attending physician, little improvement can be expected. The impact on patients' physiological and psychological well-being is large. GPs use a variety of diagnostic and therapeutic strategies. Research into the evidence base of currently applied management strategies is recommended.Patients with non-specific abdominal complaints comprise a large proportion of primary care and gastroenterology practice [1-6]. Annually 15 out of every 1000 registered patients visit their general practitioner (GP) for new abdominal complaints [7]. Since chronic non-specific abdominal complaints are mainly managed by the GP, it is of importance to know how general practitioners deal with these complaints, especially since results, concerning management and prognosis, from more selected, e.g. hospital based, populations cannot be generalised to primary care [8]. Data on diagnostic and therapeutic strategies chosen in primary care are of importance for the development of tailor-made g
Sex Differences in the Relationship between Asthma and Overweight in Dutch Children: a Survey Study
Maartje Willeboordse, Donna L. C. M. van den Bersselaar, Kim D. G. van de Kant, Jean W. M. Muris, Onno C. P. van Schayck, Edward Dompeling
PLOS ONE , 2013, DOI: 10.1371/journal.pone.0077574
Abstract: Objective Obesity has been identified as a risk factor for asthma in children. However, in the Netherlands, the obesity prevalence is rising while the asthma prevalence in children is stabilising. The aim of this study is to clarify the association between asthma and Body Mass Index (BMI) in children and whether this association is influenced by sex. Study Design Parents of 39,316 children (6-16 years) in the south of the Netherlands were invited to complete an online questionnaire on respiratory symptoms, anthropometric variables and several potential confounding factors for asthma and obesity (including sex, birth weight and breastfeeding). Data was analysed by multivariable logistic regression models and an ordinal regression model. Results The response rate was 24% (n boys= 4,743, n girls= 4,529). The prevalence of asthma, overweight and obesity was 8%, 15% and 2% respectively. Body mass index - standard deviation Score (BMI-SDS) was related to current asthma (adjusted OR: 1.29; 95%CI: 1.14-1.45, p≤0.001). When stratified for sex, asthma and BMI-SDS were only related in girls (Girls: adjusted OR: 1.31; 95%CI: 1.13-1.51, p≤0.001. Boys: adjusted OR: 1.01; 95%CI: 0.91-1.14, p=0.72). Conclusions The positive association between BMI-SDS and asthma is only present in girls, not boys. Future studies into obesity and asthma should correct for sex in their analyses.
Addressing Passive Smoking in Children
Sasha G. Hutchinson, Jennifer S. Kuijlaars, Ilse Mesters, Jean W. M. Muris, Constant P. van Schayck, Edward Dompeling, Frans J. M. Feron
PLOS ONE , 2014, DOI: 10.1371/journal.pone.0093220
Abstract: Background A significant number of parents are unaware or unconvinced of the health consequences of passive smoking (PS) in children. Physicians could increase parental awareness by giving personal advice. Aim To evaluate the current practices of three Dutch health professions (paediatricians, youth health care physicians, and family physicians) regarding parental counselling for passive smoking (PS) in children. Methods All physicians (n = 720) representing the three health professions in Limburg, the Netherlands, received an invitation to complete a self-administered electronic questionnaire including questions on their: sex, work experience, personal smoking habits, counselling practices and education regarding PS in children. Results The response rate was 34%. One tenth (11%) of the responding physicians always addressed PS in children, 32% often, 54% occasionally and 4% reported to never attend to it. The three health professions appeared comparable regarding their frequency of parental counselling for PS in children. Addressing PS was more likely when children had respiratory problems. Lack of time was the most frequently mentioned barrier, being very and somewhat applicable for respectively 14% and 43% of the physicians. One fourth of the responders had received postgraduate education about PS. Additionally, 49% of the responders who did not have any education about PS were interested in receiving it. Conclusions Physicians working in the paediatric field in Limburg, the Netherlands, could more frequently address PS in children with parents. Lack of time appeared to be the most mentioned barrier and physicians were more likely to counsel parents for PS in children with respiratory complaints/diseases. Finally, a need for more education on parental counselling for PS was expressed.
Pragmatic trials in primary care. Methodological challenges and solutions demonstrated by the DIAMOND-study
Gerdine AJ Fransen, Corine J van Marrewijk, Suhreta Mujakovic, Jean WM Muris, Robert JF Laheij, Mattijs E Numans, Niek J de Wit, Melvin Samsom, Jan BMJ Jansen, J André Knottnerus
BMC Medical Research Methodology , 2007, DOI: 10.1186/1471-2288-7-16
Abstract: The first challenge concerned choosing the clinically most relevant interventions to compare and enable blinded comparison, since two interventions had very different appearances. By adding treatment steps to one treatment arm and adding placebo to both treatment arms both internal and external validity were optimized. Nevertheless, although blinding is essential for a high internal validity, it should be warily considered in a pragmatic trial because it decreases external validity. Choosing and recruiting a representative selection of participants was the second challenge. We succeeded in retrieving a representative relatively large patient sample by carefully choosing (few) inclusion and exclusion criteria, by random selection, by paying much attention to participant recruitment and taking the participant's reasons to participate into account. Good and regular contact with the GPs and patients was to our opinion essential. The third challenge was to choose the primary outcome, which needed to reflect effectiveness of the treatment in every day practice. We also designed our protocol to follow every day practice as much as possible, although standardized treatment is usually preferred in trials. The aim of this was our fourth challenge: to limit the number of protocol deviations and increase external validity.It is challenging to design and conduct a pragmatic trial. Thanks to thorough preparation, we were able to collect highly valid data. To our opinion, a critical deliberation of where on the pragmatic – explanatory spectrum you want your trial to be on forehand, in combination with consulting publications especially on patient recruitment procedures, has been helpful in conducting a successful trial.Pragmatic trials are designed to investigate how effective a treatment strategy is in everyday practice [1]. The hypothesis and study design in pragmatic trials are developed specifically to answer questions of decision makers and should compare new with existing in
Adapta??es ao sistema kanban: revis?o, classifica??o, análise e avalia??o
Lage Junior, Muris;Godinho Filho, Moacir;
Gest?o & Produ??o , 2008, DOI: 10.1590/S0104-530X2008000100015
Abstract: this paper reviews the literature regarding adaptations of the kanban system with the purpose of identifying, classifying and analyzing this literature. thirty three different systems were studied and classified according to six categories: the publication year, the number of original characteristics preserved in the adaptation, the operational differences between the adaptation and the original kanban, the advantages and disadvantages related to the original kanban, and the way that these systems were developed. a brief summary of each adaptation is shown integrating the scattered efforts undertaken by the authors with the aim of improving the kanban system and adjusting it to the new and/or distinct necessities of the production systems. it was found that, among other topics, the development of the adapted systems, in general, is at an initial stage, once the majority of the proposals are theoretical and might be considered to generate more appropriated practical forms.
Application of conjoint analysis in studying demand for mp3 players on the B-H market
Emir Kurtovi?,Muris ?i?i?,Emir Agi?
Tr?i?te/Market , 2008,
Abstract: The paper illustrates practical aspects of conjoint analysis in studying evaluation and preference criteria when buying hardware MP3 players among the youth, as the most significant segment of such product buyers. Methodology: The methodology consisted of several surveys of young consumers in the Sarajevo region. In the first step, we used unstructured focus group interviews combined with a series of multiple-choice and open-ended questions for identifying product attributes and attribute levels that are relevant to consumers’ preferences. After the main attributes and the levels of attributes had been selected, they were combined to form different hypothetical product profiles. Obtained data were analyzed with the help of the conjoint analysis software. Findings: The results show that MP3 player manufacturers and sellers should focus their marketing strategies on the brand when targeting young people, as the most significant market segment for such products. The findings of the demand and price sensitivity analysis imply that the buyers of this product category are generally price-sensitive and therefore willing to switch brands. Limitations: While the study covered the most important attributes regarding MP3 players, it might be desirable to include design as an additional attribute as well as more brands. Also, a sample size could be increased to allow market segmentation based on the obtained part-worths.
Determina??o do percentual de malte e adjuntos em cervejas comerciais brasileiras através de análise isotópica
Sleiman, Muris;Venturini Filho, Waldemar Gastoni;Ducatti, Carlos;Nojimoto, Toshio;
Ciência e Agrotecnologia , 2010, DOI: 10.1590/S1413-70542010000100021
Abstract: the aim of this study was to determine the amount of malt and adjunct in pilsen brazilian commercial beer, and to detect likely adulteration in its composition, based on the brazilian legislation. the methodology applied was the isotopic analysis which used carbon and nitrogen stable isotopes. one hundred sixty-one beer samples from seventeen brazilian states were analyzed. it was concluded that 95.6% used malt and adjunct (corn or sugarcane derived: 91.3% and rice derived: 4.3%) in their formula and 4.3% were "pure malt" beer. among the analyzed samples 3.7% were beers with less than 50% of malt in their formula (adulterated), 28.6% of them were in doubtful level for any adjunct and 67.7% contained malt in the legal established limit.
The rich get richer and the poor get poorer
Ingmar H. A. Franken,Irina Georgieva,Peter Muris,Ap Dijksterhuis
Judgment and Decision Making , 2006,
Abstract: Some studies have found that choices become more risk averse after gains and more risk seeking after losses, although other studies have found the opposite. The latter tend to use hypothetical cases that encourage deliberation. In the current study, we examined the effects of prior gains and losses on a task designed to encourage less reflective decision making, the Iowa Gambling Task (IGT). Fifty participants conducted a manipulated decision-making task in which one group gained money, whereas the other group lost money, followed by the IGT. Participants who experienced a prior monetary loss displayed more risky choice behavior on the IGT than subjects who experienced a prior gain. These effects were not mediated by a positive or negative affect, although the sample size may have been too small to detect a small effect.
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