Tag: epidemiology

132 Is Facebook coming to an end? 2014-01-23T16:58:42.883

43 Understanding regressions - the role of the model 2011-01-04T09:29:01.153

38 Poisson regression to estimate relative risk for binary outcomes 2011-11-18T18:10:20.473

25 How to cope with exploratory data analysis and data dredging in small-sample studies? 2010-10-01T21:52:02.977

22 Time series for count data, with counts < 20 2010-07-19T23:37:22.980

22 What statistical model or algorithm could be used to solve the John Snow Cholera problem? 2017-08-11T19:08:22.177

19 Adjusting for covariates in ROC curve analysis 2010-10-02T09:29:19.373

17 Can data cleaning worsen the results of statistical analysis? 2011-03-22T07:56:30.263

14 What is the difference between effectiveness and efficacy in determining the benefit of therapy 'A' on condition 'B'? 2010-11-08T15:58:52.233

14 What are the case studies in public health policy research where unreliable/confounded/invalid studies or models were misused? 2013-08-12T05:31:01.343

11 Statistical test for positive and negative predictive value 2011-01-17T11:25:59.540

11 Illustrative datasets and analysis for multilevel modelling 2011-12-12T08:17:37.020

11 Is sensitivity or specificity a function of prevalence? 2018-02-14T10:35:39.930

10 What is the difference between ITT and ATE? 2011-06-07T17:56:29.180

10 How to deal with death in disease-free survival analysis? 2012-09-30T12:07:46.547

9 Comparing incidence rates 2012-09-24T11:24:39.487

8 Explain model adjustment, in plain English 2010-10-24T13:58:01.527

8 Prerequisite for conversion from odds ratio to relative risk to be valid 2011-01-28T08:24:29.473

8 What does "case-control" and "cross-sectional" mean in the context of logistic modeling? 2011-02-08T21:30:55.447

8 Good reference book for epidemiology 2012-01-20T17:03:30.907

8 Estimator for an incidence rate 2012-12-25T18:04:14.587

7 How to calculate the "exact confidence interval" for relative risk? 2010-08-11T10:30:31.527

7 How would life expectancy impact the calculation of disease prevalence? 2011-03-22T14:12:22.203

7 Associating a probability to disease propagation in regions of a map 2011-12-02T13:00:34.740

7 Overmatching bias and confounding variables 2011-12-09T20:07:01.030

7 Sample size and cross-validation methods for Cox regression predictive models 2012-01-31T15:06:05.793

7 Use of propensity score in a case-control study 2012-04-03T05:56:38.203

7 Imputation of a censored variable 2012-06-28T21:26:26.040

7 What is the conventional definition of recurrence-free survival? 2012-07-26T20:35:30.563

7 Terminology for different types of epidemiological variable 2012-09-30T08:09:04.577

7 Is there a word for the phenomenon that the old are generally less affected by risk factors? 2013-08-01T12:36:30.097

7 How to gently introduce epidemiologists/public health coworkers to advanced predictive modeling? 2014-04-07T14:17:35.537

7 How to calculate the relative risk based on two independent confidence intervals 2015-05-20T18:08:30.210

7 Maximum Likelihood Estimate of Infection Model Parameters 2015-09-25T21:17:27.573

6 How to adjust for a mid-study change in diagnostic protocol? 2012-01-07T06:18:30.457

6 Measure score change over time while accounting for baseline differences 2012-03-23T09:28:17.890

6 What to conclude when you fail to find an association in an epidemiological study? 2012-06-21T11:43:49.517

6 Can I validly expand the odds ratio analogously to the relationship between relative risk & the incidence rate ratio? 2012-10-18T20:08:56.020

6 Power calculations, logistic regression with continuous exposure--cohort 2013-01-23T21:24:46.013

6 Collapsibility: Odds Ratios versus Risk Ratios 2013-01-25T15:11:01.343

5 Dependent variable selection for loglinear segmented regression in time-series analysis of rare events 2010-10-01T03:25:35.153

5 How do I calculate and compare incidence of infection between age-groups 2010-12-30T06:07:23.883

5 Computing confidence intervals for prevalence for several types of infection 2011-03-03T09:52:03.557

5 Can every retrospective cohort study be transformed into a case control study? 2012-02-27T16:41:19.770

5 Follow-up updates in case-cohort designs 2012-07-10T20:45:13.080

5 More interpretable measure of association than odds ratios for contingency tables with 0 counts 2012-08-20T07:11:11.883

5 Comparing multiple incidence rates 2013-08-07T15:46:26.687

5 Probability puzzle about zombies 2014-02-27T22:50:40.993

5 One-sided Fisher's exact test with mid-p correction 2014-12-08T20:53:54.167

4 Calculation of incidence rate for epidemiological study in hospital 2010-11-15T10:23:55.267

4 Threshold models and flu epidemic recognition 2011-01-15T23:09:06.293

4 Incidence density sampling in R 2011-08-19T16:53:26.880

4 How are epidemic models simulated in case of mobility? 2011-10-03T23:26:15.653

4 How to implement SIRS model? 2011-11-10T14:22:42.170

4 What is the difference between lifetime risk, lifetime morbid risk, and lifetime prevalence, and lifetime cumulative incidence? 2011-12-28T00:45:00.897

4 Compare survival of one population to the general population 2012-01-08T20:50:36.827

4 Reference book for ecological studies 2012-01-26T07:44:22.310

4 How to implement a two-stage hierarchical model of time series data in R? 2012-04-10T07:18:13.357

4 Sample size calculation for truncated normal distribution 2012-04-10T09:24:31.703

4 Estimating misclassification rate from summary classification values 2012-09-01T20:10:16.077

4 Basic reproduction number 2012-12-01T17:39:11.977

4 Are studies in epidemiology all observational? 2013-06-06T13:09:01.040

4 Weights for retrospective cohort data 2013-10-29T20:53:40.900

4 Determination of regression model 2014-07-23T22:33:12.540

4 Should one use a censored survival model when an event is only observed at death? 2015-09-02T18:30:50.580

4 Log binomial regression with a case-control sample 2016-05-18T02:16:37.977

4 Why are logistic regressions good for calculating odds ratios associated with attributes? 2017-03-11T22:10:08.650

4 Estimating the effect of different histories of exposure, on a scalar response measured at the end of a study 2017-07-20T17:38:25.863

4 How to fit the SIR and SEIR models to the epidemiological data? 2017-10-18T15:44:52.667

4 Correct algorithm for detecting outbreaks in conflict data 2018-02-23T15:32:13.007

3 Is calculating Incidence Rate Difference/Ratio appropriate for single case experimental design? 2010-08-05T01:24:22.440

3 Calculation of incidence rate for epidemiological study -- prevalence rate this time 2010-11-16T01:24:41.520

3 Sample size calculation for study aiming to demonstrate non-inferiority of a drug 2010-12-14T18:30:49.127

3 Queries on conditional logistic regression 2010-12-15T14:18:11.087

3 What is the best statistical method to compare case fatality rates of 17 years for 2 different states? 2011-06-15T01:59:12.173

3 Power calculation for a case-control study with a continuous outcome 2011-08-18T15:45:37.137

3 What statistical test to use to assess whether a medical procedure is related to recurrent disease? 2011-10-02T23:24:06.760

3 Incidence rate ratios (Stata vs R) 2011-11-16T17:24:14.883

3 Temporal analysis of variation in random effects 2011-12-16T14:06:54.340

3 How to handle missing data when determining differences between groups using chi-squared or Fisher's exact test 2012-02-18T14:51:15.057

3 Calculating risk of disease 2012-03-16T23:42:54.553

3 Survival analysis for nested, censored and dependent data 2012-08-05T14:27:14.567

3 Post-hoc analysis for Logrank test 2012-09-15T13:50:48.130

3 Looking for ways to compare between coxph models 2012-10-08T18:48:36.353

3 Calculating confidence intervals for prevalence differences 2013-02-18T18:55:10.983

3 How do I calculate whether something is an independent risk factor? 2013-04-02T20:45:22.030

3 What would be a suitable way to present a prevalence rate? 2013-06-05T02:53:38.063

3 Basic epidemiological models in R 2013-08-02T14:42:13.573

3 Separating effects of foods and of food components in nutritional epidemiology 2013-09-10T08:40:14.133

3 Purposeful selection and confounding 2013-12-14T21:08:37.600

3 Statistical method for modelling of disease incidence for NGO 2014-05-10T11:16:32.117

3 Case-crossover method with conditional logistic regression for poisson model generated data 2014-08-09T08:57:42.980

3 Comparing odds ratio of sample to odds ratio of population? 2014-10-08T08:01:48.087

3 What is the definition of "population" in Case-Control Study? 2014-12-12T12:27:40.983

3 data dependent quantiles 2015-03-06T15:57:44.467

3 Repeated measurements, multiply assessed exposure with single outcome 2015-06-11T18:16:10.547

3 Right-censored independent variable in Cox/logistic regression 2015-11-27T15:38:47.023

3 Can ANCOVA be used with a dichotomous dependent variable? If not, what have these authors done? 2015-12-28T13:38:26.540

3 Adjusting confounders 2016-01-04T05:14:24.567