16 publication(s) trouvée(s)
Article scientifique
Heckman-type selection models to obtain unbiased estimates with missing measures outcome: theoretical considerations and an application to missing birth weight data
BACKGROUND: In low-income settings, key outcomes such as biomarkers or clinical assessments are often missing for a substantial proportion of …
Article scientifique
Reporting guideline for priority setting of health research (REPRISE)
BACKGROUND: Research priority setting with stakeholders can help direct the limited resources for health research toward priority areas of need. …
Article scientifique
Acceptability and barriers to implementation of N-of-1 tests in Ethiopia - a qualitative study
BACKGROUND: Locally produced generic drugs offer a cost-effective alternative to imported drugs to treat patients in Ethiopia. However, due to …
Article scientifique
The influence of interviewers on survey responses among female sex workers in Zambia
BACKGROUND: Interviewers can substantially affect self-reported data. This may be due to random variation in interviewers' ability to put respondents …
Article scientifique
Sample size calculation for estimating key epidemiological parameters using serological data and mathematical modelling
BACKGROUND: Our work was motivated by the need to, given serum availability and/or financial resources, decide on which samples to …
Article scientifique
A semi-parametric mixed models for longitudinally measured fasting blood sugar level of adult diabetic patients
BACKGROUND: At the diabetic clinic of Jimma University Specialized Hospital, health professionals provide regular follow-up to help people with diabetes …
Article scientifique
Purposive sampling in a qualitative evidence synthesis: a worked example from a synthesis on parental perceptions of vaccination communication
BACKGROUND: In a qualitative evidence synthesis, too much data due to a large number of studies can undermine our ability …
Article scientifique
Evaluation of the quality and value of data sources for postmarket surveillance of the safety of cough and cold medications in children
BACKGROUND: The purpose of this report is to evaluate the quality of data sources used to study cough and cold …
Article scientifique
Impact of linkage quality on inferences drawn from analyses using data with high rates of linkage errors in rural Tanzania
Studies based on high-quality linked data in developed countries show that even minor linkage errors, which occur when records of …
Article scientifique
Modelling memory decay after injuries using household survey data from Khartoum State, Sudan
BACKGROUND: Injuries represent an important cause of morbidity and mortality worldwide. In retrospective epidemiological studies, estimated rates of reported injuries …
Article scientifique
List randomization for eliciting HIV status and sexual behaviors in rural KwaZulu-Natal, South Africa: a randomized experiment using known true values for validation
BACKGROUND: List randomization (LR), a survey method intended to mitigate biases related to sensitive true/false questions, has received recent attention …
Article scientifique
Pragmatism in practice: lessons learned during screening and enrollment for a randomised controlled trial in rural northern Ethiopia
BACKGROUND: We use the example of the Gojjam Lymphoedema Best Practice Trial (GoLBeT), a pragmatic trial in a remote rural …
Article scientifique
Comparison of nuisance parameters in pediatric versus adult randomized trials: a meta-epidemiologic empirical evaluation
BACKGROUND: We wished to compare the nuisance parameters of pediatric vs. adult randomized-trials (RCTs) and determine if the latter can …
Article scientifique
The impact of self-interviews on response patterns for sensitive topics: a randomized trial of electronic delivery methods for a sexual behaviour questionnaire in rural South Africa
BACKGROUND: Self-interviews, where the respondent rather than the interviewer enters answers to questions, have been proposed as a way to …
Article scientifique
A comparison of the conditional inference survival forest model to random survival forests based on a simulation study as well as on two applications with time-to-event data
BACKGROUND: Random survival forest (RSF) models have been identified as alternative methods to the Cox proportional hazards model in analysing …
Article scientifique
Assessing the complexity of interventions within systematic reviews: development, content and use of a new tool (iCAT_SR)
BACKGROUND: Health interventions fall along a spectrum from simple to more complex. There is wide interest in methods for reviewing …