Psychometric properties of a short version of the Job Anxiety Scale.

abstract：BACKGROUND:Patient-reported outcome (PRO) measures play a key role in the advancement of patient-centered care research. The accuracy of inferences, relevance of predictions, and the true nature of the associations made with PRO data depend on the validity of these measures. Errors inherent to self-report measures can ...

journal_title：BMC medical research methodology

authors： Dowling NM,Bolt DM,Deng S,Li C

更新日期：2016-05-26 00:00:00

abstract：BACKGROUND:The prevailing view in therapeutic clinical research today is that observational studies are useful for generating new hypotheses and that controlled experiments (i.e., randomized clinical trials, RCTs) are the most appropriate method for assessing and confirming the efficacy of interventions. DISCUSSION:Th...

journal_title：BMC medical research methodology

authors： Sacristán JA

更新日期：2011-04-25 00:00:00

abstract：BACKGROUND:Identifying and assessing degree and type of frailty among older persons is a major challenge when targeting high risk populations to identify preventive interventions. The Vulnerable Elders Survey-(VES-13) is a simple instrument to identify frailty defined as risk for death, functional decline or institutio...

journal_title：BMC medical research methodology

authors： Belmin J,Khellaf L,Pariel S,Jarzebowski W,Valembois L,Zeisel J,Lafuente-Lafuente C

更新日期：2020-02-05 00:00:00

abstract：BACKGROUND:In spite of efforts to employ risk-based strategies to increase monitoring efficiency in the academic setting, empirical evidence on their effectiveness remains sparse. This mixed-methods study aimed to evaluate the risk-based on-site monitoring approach currently followed at our academic institution. METHO...

journal_title：BMC medical research methodology

authors： von Niederhäusern B,Orleth A,Schädelin S,Rawi N,Velkopolszky M,Becherer C,Benkert P,Satalkar P,Briel M,Pauli-Magnus C

更新日期：2017-02-14 00:00:00

abstract：BACKGROUND:Outcomes in observational studies may not best estimate those expected in the HIV vaccine efficacy trials. We compared retention in Simulated HIV Vaccine Efficacy Trials (SiVETs) and observational cohorts drawn from two key populations in Uganda. METHODS:Two SiVETs were nested within two observational cohor...

journal_title：BMC medical research methodology

authors： Abaasa A,Todd J,Nash S,Mayanja Y,Kaleebu P,Fast PE,Price M

更新日期：2020-02-12 00:00:00

abstract：BACKGROUND:The main objective of this paper is to compare different methods for predicting the levels of SO2 air pollution in oil and gas producing area of rural western Canada. Month-long average air quality measurements were collected over a two-year period (2001-2002) at multiple locations, with some side-by-side me...

journal_title：BMC medical research methodology

authors： Burstyn I,Cherry NM,Yasui Y,Kim HM

更新日期：2008-07-04 00:00:00

abstract：BACKGROUND:Observational outcome studies of patients with obstructive sleep apnea (OSA) require adjustment for co-morbidity to produce valid results. The aim of this study was to evaluate whether the combination of administrative data and self-reported data provided a more complete estimate of co-morbidity among patien...

journal_title：BMC medical research methodology

authors： Ronksley PE,Tsai WH,Quan H,Faris P,Hemmelgarn BR

更新日期：2009-07-15 00:00:00

abstract：BACKGROUND:In randomised controlled trials, the assumption of independence of individual observations is fundamental to the design, analysis and interpretation of studies. However, in individually randomised trials in primary care, this assumption may be violated because patients are naturally clustered within primary ...

journal_title：BMC medical research methodology

authors： Stuart B,Becque T,Moore M,Little P

更新日期：2020-04-15 00:00:00

abstract：BACKGROUND:In the era of evidence based medicine, with systematic reviews as its cornerstone, adequate quality assessment tools should be available. There is currently a lack of a systematically developed and evaluated tool for the assessment of diagnostic accuracy studies. The aim of this project was to combine empiri...

journal_title：BMC medical research methodology

authors： Whiting P,Rutjes AW,Reitsma JB,Bossuyt PM,Kleijnen J

更新日期：2003-11-10 00:00:00

abstract：BACKGROUND:Controlled clinical trials of health care interventions are either explanatory or pragmatic. Explanatory trials test whether an intervention is efficacious; that is, whether it can have a beneficial effect in an ideal situation. Pragmatic trials measure effectiveness; they measure the degree of beneficial ef...

journal_title：BMC medical research methodology

authors： Godwin M,Ruhland L,Casson I,MacDonald S,Delva D,Birtwhistle R,Lam M,Seguin R

更新日期：2003-12-22 00:00:00

abstract：BACKGROUND:It is notoriously difficult to recruit patients to randomised controlled trials in primary care. This is particularly true when the disease process under investigation occurs relatively infrequently and must be investigated during a brief time window. Bell's palsy, an acute unilateral paralysis of the facial...

journal_title：BMC medical research methodology

authors： McKinstry B,Hammersley V,Daly F,Sullivan F

更新日期：2007-03-28 00:00:00

abstract：BACKGROUND:Studies in both paediatric and psychiatric settings often experience problems in recruitment. This can compromise the ability of the study to recruit to target, meaning studies are potentially underpowered. It can also result in a biased sample if a non-representative group are selectively recruited. Recruit...

journal_title：BMC medical research methodology

authors： Loades ME,Smith L,Higson-Sweeney N,Beasant L,Stallard P,Kessler D,Crawley E

更新日期：2019-04-27 00:00:00

abstract：BACKGROUND:This study aimed to investigate whether awareness of being monitored by an accelerometer has an effect on physical activity in young people. METHODS:Eighty healthy participants aged 10-18 years were randomized between blinded and nonblinded groups. The blinded participants were informed that we were testing...

journal_title：BMC medical research methodology

authors： Vanhelst J,Béghin L,Drumez E,Coopman S,Gottrand F

更新日期：2017-07-11 00:00:00

abstract：BACKGROUND:This article describes the design and baseline sample of a single-site trial comparing Individual Placement and Support (IPS) supported employment delivered within a Veterans Health Administration (VHA) primary care Patient Aligned Care Team (PACT) to treatment-as-usual vocational rehabilitation (TAU-VR) tha...

journal_title：BMC medical research methodology

authors： Davis LL,Blansett CM,Mumba MN,MacVicar D,Toscano R,Pilkinton P,Gay W,Bartolucci A

更新日期：2020-02-17 00:00:00

abstract：BACKGROUND:The Anglia Menorrhagia Education Study (AMES) is a randomized controlled trial testing the effectiveness of an education package applied to general practices. Binary data are available from two sources; general practitioner reported referrals to hospital, and referrals to hospital determined by independent a...

journal_title：BMC medical research methodology

authors： Nixon RM,Duffy SW,Fender GR

更新日期：2003-09-24 00:00:00

abstract：BACKGROUND:Syntheses of qualitative studies can inform health policy, services and our understanding of patient experience. Meta-ethnography is a systematic seven-phase interpretive qualitative synthesis approach well-suited to producing new theories and conceptual models. However, there are concerns about the quality ...

journal_title：BMC medical research methodology

authors： France EF,Ring N,Thomas R,Noyes J,Maxwell M,Jepson R

更新日期：2014-11-19 00:00:00

abstract：BACKGROUND:Participants in voluntary research present a different demographic profile than those who choose not to participate, affecting the generalizability of many studies. Efforts to evaluate these differences have faced challenges, as little information is available from non-participants. Leveraging data from a re...

journal_title：BMC medical research methodology

authors： Dahrouge S,Armstrong CD,Hogg W,Singh J,Liddy C

更新日期：2019-08-07 00:00:00

abstract：BACKGROUND:Defeat and entrapment have been shown to be of central relevance to the development of different disorders. However, it remains unclear whether they represent two distinct constructs or one overall latent variable. One reason for the unclarity is that traditional factor analytic techniques have trouble estim...

journal_title：BMC medical research methodology

authors： Forkmann T,Teismann T,Stenzel JS,Glaesmer H,de Beurs D

更新日期：2018-01-25 00:00:00

abstract：BACKGROUND:Centralisation of thrombolysis may offer substantial benefits. The aim of this study was to assess short term costs and effects of centralisation of thrombolysis and optimised care in a decentralised system. METHODS:Using simulation modelling, three scenarios to improve decentralised settings in the North o...

journal_title：BMC medical research methodology

authors： Lahr MM,van der Zee DJ,Luijckx GJ,Vroomen PC,Buskens E

更新日期：2017-01-10 00:00:00

abstract：BACKGROUND:The International Cancer Benchmarking Partnership aims to study international differences in cancer survival and the possible causes. Participating countries are Australia, Canada, Norway, Sweden, Denmark and the UK and a particular focus area is differences in awareness and beliefs about cancer. In this con...

journal_title：BMC medical research methodology

authors： Hvidberg L,Pedersen AF,Wulff CN,Carlsen AH,Vedsted P

更新日期：2017-04-26 00:00:00

abstract：BACKGROUND:This paper discusses whether baseline demographic, socio-economic, health variables, length of follow-up and method of contacting the participants predict non-response to the invitation for a second assessment of lifestyle factors and body weight in the European multi-center EPIC-PANACEA study. METHODS:Over...

journal_title：BMC medical research methodology

authors： May AM,Adema LE,Romaguera D,Vergnaud AC,Agudo A,Ekelund U,Steffen A,Orfanos P,Slimani N,Rinaldi S,Mouw T,Rohrmann S,Hermann S,Boeing H,Bergmann MM,Jakobsen MU,Overvad K,Wareham NJ,Gonzalez C,Tjonneland A,Halkjaer

更新日期：2012-09-24 00:00:00

abstract：BACKGROUND:Missing data present a challenge to many research projects. The problem is often pronounced in studies utilizing self-report scales, and literature addressing different strategies for dealing with missing data in such circumstances is scarce. The objective of this study was to compare six different imputatio...

journal_title：BMC medical research methodology

authors： Shrive FM,Stuart H,Quan H,Ghali WA

更新日期：2006-12-13 00:00:00

abstract：BACKGROUND:Clinical study reports (CSRs) have been increasingly utilised within academic research in recent years. European Medicines Agency (EMA) Policy 0070 'Phase 1,' which came into effect in January 2015, requires the publication of regulatory documents such as CSRs from central applications in an anonymised forma...

journal_title：BMC medical research methodology

authors： Ferran JM,Nevitt SJ

更新日期：2019-11-05 00:00:00

abstract：BACKGROUND:Disease registers aim to collect information about all instances of a disease or condition in a defined population of individuals. Traditionally methods of operating disease registers have required that notifications of cases be identified by unique identifiers such as social security number or national iden...

journal_title：BMC medical research methodology

authors： Churches T

更新日期：2003-01-06 00:00:00

abstract：BACKGROUND:Spiritual care is defined as recognizing and responding to the needs of the human spirit when the individual is facing trauma, illness, or sadness. Providing spiritual care is one of the core aspects of holistic care, as it is significantly associated with patients' quality of life. The provision of optimal ...

journal_title：BMC medical research methodology

authors： Hu Y,Tiew LH,Li F

更新日期：2019-01-23 00:00:00

abstract：BACKGROUND:Crowding in the emergency department (ED) is associated with increased mortality, increased treatment cost, and reduced quality of care. Crowding arises when demand exceed resources in the ED and a first sign may be increasing waiting time. We aimed to quantify predictors for departure from the ED, and relat...

journal_title：BMC medical research methodology

authors： Eiset AH,Kirkegaard H,Erlandsen M

更新日期：2019-03-29 00:00:00

abstract：BACKGROUND:Estimating the incidence of medical conditions using claims data often requires constructing a prevalence period that predates an event of interest, for instance the diagnosis of cancer, to exclude those with pre-existing conditions from the incidence risk set. Those conditions missed during the prevalence p...

journal_title：BMC medical research methodology

authors： Griffiths RI,O'Malley CD,Herbert RJ,Danese MD

更新日期：2013-03-06 00:00:00

abstract：BACKGROUND:The primary aim of this study was to provide an estimate of effect size for the functional outcome of operative versus non-operative treatment for patients with an acute rupture of the Achilles tendon using accelerated rehabilitation for both groups of patients. The secondary aim was to assess the use of a c...

journal_title：BMC medical research methodology

authors： Kearney RS,Achten J,Parsons NR,Costa ML

更新日期：2011-04-05 00:00:00

abstract：BACKGROUND:The intraclass correlation coefficient (ICC) is widely used in biomedical research to assess the reproducibility of measurements between raters, labs, technicians, or devices. For example, in an inter-rater reliability study, a high ICC value means that noise variability (between-raters and within-raters) is...

journal_title：BMC medical research methodology

authors： Ionan AC,Polley MY,McShane LM,Dobbin KK

更新日期：2014-11-22 00:00:00

abstract：BACKGROUND:The development of risk prediction models is of increasing importance in medical research - their use in practice, however, is rare. Among other reasons this might be due to the fact that thorough validation is often lacking. This study focuses on two Bayesian approaches of how to validate a prediction rule ...

journal_title：BMC medical research methodology

authors： Held U,Bové DS,Steurer J,Held L

更新日期：2012-07-20 00:00:00